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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_signed_integer.html">pyarrow.types.is_signed_integer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_unsigned_integer.html">pyarrow.types.is_unsigned_integer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int8.html">pyarrow.types.is_int8</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int16.html">pyarrow.types.is_int16</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int32.html">pyarrow.types.is_int32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_int64.html">pyarrow.types.is_int64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint8.html">pyarrow.types.is_uint8</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint16.html">pyarrow.types.is_uint16</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint32.html">pyarrow.types.is_uint32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_uint64.html">pyarrow.types.is_uint64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_floating.html">pyarrow.types.is_floating</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_float16.html">pyarrow.types.is_float16</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_float32.html">pyarrow.types.is_float32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_float64.html">pyarrow.types.is_float64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_decimal.html">pyarrow.types.is_decimal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_decimal128.html">pyarrow.types.is_decimal128</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_decimal256.html">pyarrow.types.is_decimal256</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_list.html">pyarrow.types.is_list</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_large_list.html">pyarrow.types.is_large_list</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_fixed_size_list.html">pyarrow.types.is_fixed_size_list</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_list_view.html">pyarrow.types.is_list_view</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_large_list_view.html">pyarrow.types.is_large_list_view</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_struct.html">pyarrow.types.is_struct</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_union.html">pyarrow.types.is_union</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_nested.html">pyarrow.types.is_nested</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_run_end_encoded.html">pyarrow.types.is_run_end_encoded</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_temporal.html">pyarrow.types.is_temporal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_timestamp.html">pyarrow.types.is_timestamp</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_date.html">pyarrow.types.is_date</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_date32.html">pyarrow.types.is_date32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_date64.html">pyarrow.types.is_date64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_time.html">pyarrow.types.is_time</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_time32.html">pyarrow.types.is_time32</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_time64.html">pyarrow.types.is_time64</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_duration.html">pyarrow.types.is_duration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_interval.html">pyarrow.types.is_interval</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_null.html">pyarrow.types.is_null</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_binary.html">pyarrow.types.is_binary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_unicode.html">pyarrow.types.is_unicode</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_string.html">pyarrow.types.is_string</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_large_binary.html">pyarrow.types.is_large_binary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_large_unicode.html">pyarrow.types.is_large_unicode</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_large_string.html">pyarrow.types.is_large_string</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_binary_view.html">pyarrow.types.is_binary_view</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_string_view.html">pyarrow.types.is_string_view</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_fixed_size_binary.html">pyarrow.types.is_fixed_size_binary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_map.html">pyarrow.types.is_map</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_dictionary.html">pyarrow.types.is_dictionary</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.is_primitive.html">pyarrow.types.is_primitive</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.types.TypesEnum.html">pyarrow.types.TypesEnum</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/arrays.html">Arrays and Scalars</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.array.html">pyarrow.array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.nulls.html">pyarrow.nulls</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Array.html">pyarrow.Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BooleanArray.html">pyarrow.BooleanArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FloatingPointArray.html">pyarrow.FloatingPointArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.IntegerArray.html">pyarrow.IntegerArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int8Array.html">pyarrow.Int8Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int16Array.html">pyarrow.Int16Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int32Array.html">pyarrow.Int32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int64Array.html">pyarrow.Int64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.NullArray.html">pyarrow.NullArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.NumericArray.html">pyarrow.NumericArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt8Array.html">pyarrow.UInt8Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt16Array.html">pyarrow.UInt16Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt32Array.html">pyarrow.UInt32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt64Array.html">pyarrow.UInt64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.HalfFloatArray.html">pyarrow.HalfFloatArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FloatArray.html">pyarrow.FloatArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.DoubleArray.html">pyarrow.DoubleArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BinaryArray.html">pyarrow.BinaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.StringArray.html">pyarrow.StringArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedSizeBinaryArray.html">pyarrow.FixedSizeBinaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeBinaryArray.html">pyarrow.LargeBinaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeStringArray.html">pyarrow.LargeStringArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BinaryViewArray.html">pyarrow.BinaryViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.StringViewArray.html">pyarrow.StringViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Time32Array.html">pyarrow.Time32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Time64Array.html">pyarrow.Time64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Date32Array.html">pyarrow.Date32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Date64Array.html">pyarrow.Date64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.TimestampArray.html">pyarrow.TimestampArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.DurationArray.html">pyarrow.DurationArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.MonthDayNanoIntervalArray.html">pyarrow.MonthDayNanoIntervalArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal32Array.html">pyarrow.Decimal32Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal64Array.html">pyarrow.Decimal64Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal128Array.html">pyarrow.Decimal128Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal256Array.html">pyarrow.Decimal256Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.DictionaryArray.html">pyarrow.DictionaryArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ListArray.html">pyarrow.ListArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedSizeListArray.html">pyarrow.FixedSizeListArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeListArray.html">pyarrow.LargeListArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ListViewArray.html">pyarrow.ListViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeListViewArray.html">pyarrow.LargeListViewArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.MapArray.html">pyarrow.MapArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.RunEndEncodedArray.html">pyarrow.RunEndEncodedArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.StructArray.html">pyarrow.StructArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UnionArray.html">pyarrow.UnionArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ExtensionArray.html">pyarrow.ExtensionArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedShapeTensorArray.html">pyarrow.FixedShapeTensorArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.OpaqueArray.html">pyarrow.OpaqueArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.JsonArray.html">pyarrow.JsonArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UuidArray.html">pyarrow.UuidArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Bool8Array.html">pyarrow.Bool8Array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.scalar.html">pyarrow.scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.NA.html">pyarrow.NA</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Scalar.html">pyarrow.Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BooleanScalar.html">pyarrow.BooleanScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int8Scalar.html">pyarrow.Int8Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int16Scalar.html">pyarrow.Int16Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int32Scalar.html">pyarrow.Int32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Int64Scalar.html">pyarrow.Int64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.NullScalar.html">pyarrow.NullScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt8Scalar.html">pyarrow.UInt8Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt16Scalar.html">pyarrow.UInt16Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt32Scalar.html">pyarrow.UInt32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UInt64Scalar.html">pyarrow.UInt64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.HalfFloatScalar.html">pyarrow.HalfFloatScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FloatScalar.html">pyarrow.FloatScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.DoubleScalar.html">pyarrow.DoubleScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BinaryScalar.html">pyarrow.BinaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.StringScalar.html">pyarrow.StringScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedSizeBinaryScalar.html">pyarrow.FixedSizeBinaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeBinaryScalar.html">pyarrow.LargeBinaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeStringScalar.html">pyarrow.LargeStringScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BinaryViewScalar.html">pyarrow.BinaryViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.StringViewScalar.html">pyarrow.StringViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Time32Scalar.html">pyarrow.Time32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Time64Scalar.html">pyarrow.Time64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Date32Scalar.html">pyarrow.Date32Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Date64Scalar.html">pyarrow.Date64Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.TimestampScalar.html">pyarrow.TimestampScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.DurationScalar.html">pyarrow.DurationScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.MonthDayNanoIntervalScalar.html">pyarrow.MonthDayNanoIntervalScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal128Scalar.html">pyarrow.Decimal128Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Decimal256Scalar.html">pyarrow.Decimal256Scalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.DictionaryScalar.html">pyarrow.DictionaryScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.RunEndEncodedScalar.html">pyarrow.RunEndEncodedScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ListScalar.html">pyarrow.ListScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedSizeListScalar.html">pyarrow.FixedSizeListScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeListScalar.html">pyarrow.LargeListScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ListViewScalar.html">pyarrow.ListViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.LargeListViewScalar.html">pyarrow.LargeListViewScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.MapScalar.html">pyarrow.MapScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.StructScalar.html">pyarrow.StructScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UnionScalar.html">pyarrow.UnionScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ExtensionScalar.html">pyarrow.ExtensionScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedShapeTensorScalar.html">pyarrow.FixedShapeTensorScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.OpaqueScalar.html">pyarrow.OpaqueScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.JsonScalar.html">pyarrow.JsonScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.UuidScalar.html">pyarrow.UuidScalar</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Bool8Scalar.html">pyarrow.Bool8Scalar</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/memory.html">Buffers and Memory</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.allocate_buffer.html">pyarrow.allocate_buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.py_buffer.html">pyarrow.py_buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.foreign_buffer.html">pyarrow.foreign_buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Buffer.html">pyarrow.Buffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ResizableBuffer.html">pyarrow.ResizableBuffer</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Codec.html">pyarrow.Codec</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compress.html">pyarrow.compress</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.decompress.html">pyarrow.decompress</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.MemoryPool.html">pyarrow.MemoryPool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.default_memory_pool.html">pyarrow.default_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.jemalloc_memory_pool.html">pyarrow.jemalloc_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.mimalloc_memory_pool.html">pyarrow.mimalloc_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.system_memory_pool.html">pyarrow.system_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.jemalloc_set_decay_ms.html">pyarrow.jemalloc_set_decay_ms</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.set_memory_pool.html">pyarrow.set_memory_pool</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.log_memory_allocations.html">pyarrow.log_memory_allocations</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.total_allocated_bytes.html">pyarrow.total_allocated_bytes</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/tables.html">Tables and Tensors</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.chunked_array.html">pyarrow.chunked_array</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.concat_arrays.html">pyarrow.concat_arrays</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.concat_tables.html">pyarrow.concat_tables</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.record_batch.html">pyarrow.record_batch</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.concat_batches.html">pyarrow.concat_batches</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.table.html">pyarrow.table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ChunkedArray.html">pyarrow.ChunkedArray</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.RecordBatch.html">pyarrow.RecordBatch</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Table.html">pyarrow.Table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.TableGroupBy.html">pyarrow.TableGroupBy</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.RecordBatchReader.html">pyarrow.RecordBatchReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.interchange.from_dataframe.html">pyarrow.interchange.from_dataframe</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.Tensor.html">pyarrow.Tensor</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/compute.html">Compute Functions</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.all.html">pyarrow.compute.all</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.any.html">pyarrow.compute.any</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.approximate_median.html">pyarrow.compute.approximate_median</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.count.html">pyarrow.compute.count</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.count_distinct.html">pyarrow.compute.count_distinct</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.index.html">pyarrow.compute.index</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.max.html">pyarrow.compute.max</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.mean.html">pyarrow.compute.mean</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.min.html">pyarrow.compute.min</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.min_max.html">pyarrow.compute.min_max</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.mode.html">pyarrow.compute.mode</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.pivot_wider.html">pyarrow.compute.pivot_wider</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.product.html">pyarrow.compute.product</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.quantile.html">pyarrow.compute.quantile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.stddev.html">pyarrow.compute.stddev</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sum.html">pyarrow.compute.sum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.tdigest.html">pyarrow.compute.tdigest</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.variance.html">pyarrow.compute.variance</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_sum.html">pyarrow.compute.cumulative_sum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_sum_checked.html">pyarrow.compute.cumulative_sum_checked</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_max.html">pyarrow.compute.cumulative_max</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cumulative_min.html">pyarrow.compute.cumulative_min</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.abs.html">pyarrow.compute.abs</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.add.html">pyarrow.compute.add</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.add_checked.html">pyarrow.compute.add_checked</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sign.html">pyarrow.compute.sign</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sqrt.html">pyarrow.compute.sqrt</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sqrt_checked.html">pyarrow.compute.sqrt_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.subtract.html">pyarrow.compute.subtract</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_and.html">pyarrow.compute.bit_wise_and</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_not.html">pyarrow.compute.bit_wise_not</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_or.html">pyarrow.compute.bit_wise_or</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.bit_wise_xor.html">pyarrow.compute.bit_wise_xor</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.round.html">pyarrow.compute.round</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.round_to_multiple.html">pyarrow.compute.round_to_multiple</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.trunc.html">pyarrow.compute.trunc</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ln.html">pyarrow.compute.ln</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ln_checked.html">pyarrow.compute.ln_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.log10.html">pyarrow.compute.log10</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.log1p.html">pyarrow.compute.log1p</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.logb.html">pyarrow.compute.logb</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.acos.html">pyarrow.compute.acos</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.asin.html">pyarrow.compute.asin</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.asin_checked.html">pyarrow.compute.asin_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.atan.html">pyarrow.compute.atan</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.atan2.html">pyarrow.compute.atan2</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cos.html">pyarrow.compute.cos</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.cos_checked.html">pyarrow.compute.cos_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sin.html">pyarrow.compute.sin</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.sin_checked.html">pyarrow.compute.sin_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.tan.html">pyarrow.compute.tan</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.tan_checked.html">pyarrow.compute.tan_checked</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.equal.html">pyarrow.compute.equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.greater.html">pyarrow.compute.greater</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.greater_equal.html">pyarrow.compute.greater_equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.less.html">pyarrow.compute.less</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.less_equal.html">pyarrow.compute.less_equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.not_equal.html">pyarrow.compute.not_equal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.max_element_wise.html">pyarrow.compute.max_element_wise</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.min_element_wise.html">pyarrow.compute.min_element_wise</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_.html">pyarrow.compute.and_</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_kleene.html">pyarrow.compute.and_kleene</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_not.html">pyarrow.compute.and_not</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.and_not_kleene.html">pyarrow.compute.and_not_kleene</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.invert.html">pyarrow.compute.invert</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.or_.html">pyarrow.compute.or_</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.or_kleene.html">pyarrow.compute.or_kleene</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.xor.html">pyarrow.compute.xor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_alnum.html">pyarrow.compute.ascii_is_alnum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_alpha.html">pyarrow.compute.ascii_is_alpha</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_decimal.html">pyarrow.compute.ascii_is_decimal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_lower.html">pyarrow.compute.ascii_is_lower</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_printable.html">pyarrow.compute.ascii_is_printable</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_space.html">pyarrow.compute.ascii_is_space</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_upper.html">pyarrow.compute.ascii_is_upper</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_alnum.html">pyarrow.compute.utf8_is_alnum</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_alpha.html">pyarrow.compute.utf8_is_alpha</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_decimal.html">pyarrow.compute.utf8_is_decimal</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_digit.html">pyarrow.compute.utf8_is_digit</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_lower.html">pyarrow.compute.utf8_is_lower</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_numeric.html">pyarrow.compute.utf8_is_numeric</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_printable.html">pyarrow.compute.utf8_is_printable</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_is_upper.html">pyarrow.compute.utf8_is_upper</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_is_title.html">pyarrow.compute.ascii_is_title</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.string_is_ascii.html">pyarrow.compute.string_is_ascii</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_capitalize.html">pyarrow.compute.ascii_capitalize</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_lower.html">pyarrow.compute.ascii_lower</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_reverse.html">pyarrow.compute.ascii_reverse</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.ascii_swapcase.html">pyarrow.compute.ascii_swapcase</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.binary_length.html">pyarrow.compute.binary_length</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.binary_repeat.html">pyarrow.compute.binary_repeat</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.binary_reverse.html">pyarrow.compute.binary_reverse</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.utf8_swapcase.html">pyarrow.compute.utf8_swapcase</a></li> |
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| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.StrptimeOptions.html">pyarrow.compute.StrptimeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.StructFieldOptions.html">pyarrow.compute.StructFieldOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.TakeOptions.html">pyarrow.compute.TakeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.TDigestOptions.html">pyarrow.compute.TDigestOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.TrimOptions.html">pyarrow.compute.TrimOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.VarianceOptions.html">pyarrow.compute.VarianceOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.WeekOptions.html">pyarrow.compute.WeekOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.register_scalar_function.html">pyarrow.compute.register_scalar_function</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.UdfContext.html">pyarrow.compute.UdfContext</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.field.html">pyarrow.compute.field</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.compute.scalar.html">pyarrow.compute.scalar</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/acero.html">Acero - Streaming Execution Engine</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.Declaration.html">pyarrow.acero.Declaration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.ExecNodeOptions.html">pyarrow.acero.ExecNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.TableSourceNodeOptions.html">pyarrow.acero.TableSourceNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.ScanNodeOptions.html">pyarrow.acero.ScanNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.FilterNodeOptions.html">pyarrow.acero.FilterNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.ProjectNodeOptions.html">pyarrow.acero.ProjectNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.AggregateNodeOptions.html">pyarrow.acero.AggregateNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.OrderByNodeOptions.html">pyarrow.acero.OrderByNodeOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.acero.HashJoinNodeOptions.html">pyarrow.acero.HashJoinNodeOptions</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/substrait.html">Substrait</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.run_query.html">pyarrow.substrait.run_query</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.BoundExpressions.html">pyarrow.substrait.BoundExpressions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.deserialize_expressions.html">pyarrow.substrait.deserialize_expressions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.serialize_expressions.html">pyarrow.substrait.serialize_expressions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.serialize_schema.html">pyarrow.substrait.serialize_schema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.deserialize_schema.html">pyarrow.substrait.deserialize_schema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.SubstraitSchema.html">pyarrow.substrait.SubstraitSchema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.substrait.get_supported_functions.html">pyarrow.substrait.get_supported_functions</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/files.html">Streams and File Access</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.input_stream.html">pyarrow.input_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.output_stream.html">pyarrow.output_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.memory_map.html">pyarrow.memory_map</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.create_memory_map.html">pyarrow.create_memory_map</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.NativeFile.html">pyarrow.NativeFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.OSFile.html">pyarrow.OSFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.PythonFile.html">pyarrow.PythonFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BufferReader.html">pyarrow.BufferReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.BufferOutputStream.html">pyarrow.BufferOutputStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.FixedSizeBufferWriter.html">pyarrow.FixedSizeBufferWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.MemoryMappedFile.html">pyarrow.MemoryMappedFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.CompressedInputStream.html">pyarrow.CompressedInputStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.CompressedOutputStream.html">pyarrow.CompressedOutputStream</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/ipc.html">Serialization and IPC</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.new_file.html">pyarrow.ipc.new_file</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.open_file.html">pyarrow.ipc.open_file</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.new_stream.html">pyarrow.ipc.new_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.open_stream.html">pyarrow.ipc.open_stream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.read_message.html">pyarrow.ipc.read_message</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.read_record_batch.html">pyarrow.ipc.read_record_batch</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.get_record_batch_size.html">pyarrow.ipc.get_record_batch_size</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.read_tensor.html">pyarrow.ipc.read_tensor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.write_tensor.html">pyarrow.ipc.write_tensor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.get_tensor_size.html">pyarrow.ipc.get_tensor_size</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.IpcReadOptions.html">pyarrow.ipc.IpcReadOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.IpcWriteOptions.html">pyarrow.ipc.IpcWriteOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.Message.html">pyarrow.ipc.Message</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.MessageReader.html">pyarrow.ipc.MessageReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchFileReader.html">pyarrow.ipc.RecordBatchFileReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchFileWriter.html">pyarrow.ipc.RecordBatchFileWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchStreamReader.html">pyarrow.ipc.RecordBatchStreamReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.ipc.RecordBatchStreamWriter.html">pyarrow.ipc.RecordBatchStreamWriter</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/flight.html">Arrow Flight</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.Action.html">pyarrow.flight.Action</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ActionType.html">pyarrow.flight.ActionType</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.DescriptorType.html">pyarrow.flight.DescriptorType</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightDescriptor.html">pyarrow.flight.FlightDescriptor</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightEndpoint.html">pyarrow.flight.FlightEndpoint</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightInfo.html">pyarrow.flight.FlightInfo</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.Location.html">pyarrow.flight.Location</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.MetadataRecordBatchReader.html">pyarrow.flight.MetadataRecordBatchReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.MetadataRecordBatchWriter.html">pyarrow.flight.MetadataRecordBatchWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.Ticket.html">pyarrow.flight.Ticket</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.Result.html">pyarrow.flight.Result</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.connect.html">pyarrow.flight.connect</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightCallOptions.html">pyarrow.flight.FlightCallOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightClient.html">pyarrow.flight.FlightClient</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightStreamReader.html">pyarrow.flight.FlightStreamReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightStreamWriter.html">pyarrow.flight.FlightStreamWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ClientMiddlewareFactory.html">pyarrow.flight.ClientMiddlewareFactory</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ClientMiddleware.html">pyarrow.flight.ClientMiddleware</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightDataStream.html">pyarrow.flight.FlightDataStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightMetadataWriter.html">pyarrow.flight.FlightMetadataWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightServerBase.html">pyarrow.flight.FlightServerBase</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.GeneratorStream.html">pyarrow.flight.GeneratorStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.RecordBatchStream.html">pyarrow.flight.RecordBatchStream</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerCallContext.html">pyarrow.flight.ServerCallContext</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerMiddlewareFactory.html">pyarrow.flight.ServerMiddlewareFactory</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerMiddleware.html">pyarrow.flight.ServerMiddleware</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ClientAuthHandler.html">pyarrow.flight.ClientAuthHandler</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.ServerAuthHandler.html">pyarrow.flight.ServerAuthHandler</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightError.html">pyarrow.flight.FlightError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightCancelledError.html">pyarrow.flight.FlightCancelledError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightInternalError.html">pyarrow.flight.FlightInternalError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightServerError.html">pyarrow.flight.FlightServerError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightTimedOutError.html">pyarrow.flight.FlightTimedOutError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightUnauthenticatedError.html">pyarrow.flight.FlightUnauthenticatedError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightUnauthorizedError.html">pyarrow.flight.FlightUnauthorizedError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightUnavailableError.html">pyarrow.flight.FlightUnavailableError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightWriteSizeExceededError.html">pyarrow.flight.FlightWriteSizeExceededError</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.FlightMethod.html">pyarrow.flight.FlightMethod</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.flight.CallInfo.html">pyarrow.flight.CallInfo</a></li> |
| </ul> |
| </details></li> |
| <li class="toctree-l3 has-children"><a class="reference internal" href="../python/api/formats.html">Tabular File Formats</a><details><summary><span class="toctree-toggle" role="presentation"><i class="fa-solid fa-chevron-down"></i></span></summary><ul> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.ConvertOptions.html">pyarrow.csv.ConvertOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.CSVStreamingReader.html">pyarrow.csv.CSVStreamingReader</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.CSVWriter.html">pyarrow.csv.CSVWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.ISO8601.html">pyarrow.csv.ISO8601</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.ParseOptions.html">pyarrow.csv.ParseOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.ReadOptions.html">pyarrow.csv.ReadOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.WriteOptions.html">pyarrow.csv.WriteOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.open_csv.html">pyarrow.csv.open_csv</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.read_csv.html">pyarrow.csv.read_csv</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.write_csv.html">pyarrow.csv.write_csv</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.csv.InvalidRow.html">pyarrow.csv.InvalidRow</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.feather.read_feather.html">pyarrow.feather.read_feather</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.feather.read_table.html">pyarrow.feather.read_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.feather.write_feather.html">pyarrow.feather.write_feather</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.ReadOptions.html">pyarrow.json.ReadOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.ParseOptions.html">pyarrow.json.ParseOptions</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.open_json.html">pyarrow.json.open_json</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.json.read_json.html">pyarrow.json.read_json</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetDataset.html">pyarrow.parquet.ParquetDataset</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetFile.html">pyarrow.parquet.ParquetFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetWriter.html">pyarrow.parquet.ParquetWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_table.html">pyarrow.parquet.read_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_metadata.html">pyarrow.parquet.read_metadata</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_pandas.html">pyarrow.parquet.read_pandas</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.read_schema.html">pyarrow.parquet.read_schema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.write_metadata.html">pyarrow.parquet.write_metadata</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.write_table.html">pyarrow.parquet.write_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.write_to_dataset.html">pyarrow.parquet.write_to_dataset</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.FileMetaData.html">pyarrow.parquet.FileMetaData</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.RowGroupMetaData.html">pyarrow.parquet.RowGroupMetaData</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.SortingColumn.html">pyarrow.parquet.SortingColumn</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ColumnChunkMetaData.html">pyarrow.parquet.ColumnChunkMetaData</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.Statistics.html">pyarrow.parquet.Statistics</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetSchema.html">pyarrow.parquet.ParquetSchema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ColumnSchema.html">pyarrow.parquet.ColumnSchema</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.ParquetLogicalType.html">pyarrow.parquet.ParquetLogicalType</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.CryptoFactory.html">pyarrow.parquet.encryption.CryptoFactory</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.KmsClient.html">pyarrow.parquet.encryption.KmsClient</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.KmsConnectionConfig.html">pyarrow.parquet.encryption.KmsConnectionConfig</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.EncryptionConfiguration.html">pyarrow.parquet.encryption.EncryptionConfiguration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.parquet.encryption.DecryptionConfiguration.html">pyarrow.parquet.encryption.DecryptionConfiguration</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.ORCFile.html">pyarrow.orc.ORCFile</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.ORCWriter.html">pyarrow.orc.ORCWriter</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.read_table.html">pyarrow.orc.read_table</a></li> |
| <li class="toctree-l4"><a class="reference internal" href="../python/generated/pyarrow.orc.write_table.html">pyarrow.orc.write_table</a></li> |
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| <section id="thread-management"> |
| <span id="cpp-thread-management"></span><h1>Thread Management<a class="headerlink" href="#thread-management" title="Link to this heading">#</a></h1> |
| <div class="admonition seealso"> |
| <p class="admonition-title">See also</p> |
| <p><a class="reference internal" href="api/thread.html"><span class="doc">Thread management API reference</span></a></p> |
| </div> |
| <section id="thread-pools"> |
| <h2>Thread Pools<a class="headerlink" href="#thread-pools" title="Link to this heading">#</a></h2> |
| <p>Many Arrow C++ operations distribute work across multiple threads to take |
| advantage of underlying hardware parallelism. For example, when <a class="reference internal" href="api/formats.html#_CPPv4N7parquet5arrow10FileReader15set_use_threadsEb" title="parquet::arrow::FileReader::set_use_threads"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">reading</span> <span class="pre">a</span> |
| <span class="pre">Parquet</span> <span class="pre">file</span></code></a> we can decode each |
| column in parallel. To achieve this we submit tasks to an executor of some kind.</p> |
| <p>Within Arrow C++ we use thread pools for parallel scheduling and an event loop |
| when the user has requested serial execution. It is possible for |
| users to provide their own custom implementation, though that is an advanced |
| concept and not covered here.</p> |
| <section id="cpu-vs-i-o"> |
| <h3>CPU vs. I/O<a class="headerlink" href="#cpu-vs-i-o" title="Link to this heading">#</a></h3> |
| <p>In order to minimize the overhead of context switches our default thread pool |
| for CPU-intensive tasks has a fixed size, defaulting to the process CPU affinity (on Linux) or |
| <a class="reference external" href="https://en.cppreference.com/w/cpp/thread/thread/hardware_concurrency">std::thread::hardware_concurrency</a>. |
| This means that CPU tasks should never block for long periods of time because this |
| will result in under-utilization of the CPU. To achieve this we have a separate |
| thread pool which should be used for tasks that need to block. Since these tasks |
| are usually associated with I/O operations we call this the I/O thread pool. This |
| model is often associated with asynchronous computation.</p> |
| <p id="io-thread-pool">The size of the I/O thread pool currently defaults to 8 threads and should |
| be sized according to the parallel capabilities of the I/O hardware. For example, |
| if most reads and writes occur on a typical HDD then the default of 8 will probably |
| be sufficient. On the other hand, when most reads and writes occur on a remote |
| filesystem such as S3, it is often possible to benefit from many concurrent reads |
| and it may be possible to increase I/O performance by increasing the size of the |
| I/O thread pool. The size of the default I/O thread pool can be managed with |
| the <span class="target" id="index-0"></span><a class="reference internal" href="env_vars.html#envvar-ARROW_IO_THREADS"><code class="xref std std-envvar docutils literal notranslate"><span class="pre">ARROW_IO_THREADS</span></code></a> environment variable or |
| with the <a class="reference internal" href="api/thread.html#_CPPv4N5arrow2io23SetIOThreadPoolCapacityEi" title="arrow::io::SetIOThreadPoolCapacity"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">arrow::io::SetIOThreadPoolCapacity()</span></code></a> function.</p> |
| <p>Increasing the size of the CPU thread pool is not likely to have any benefit. In |
| some cases it may make sense to decrease the size of the CPU thread pool in order |
| to reduce the impact that Arrow C++ has on hardware shared with other processes or user |
| threads. The size of the default CPU thread pool can be managed with the |
| <span class="target" id="index-1"></span><a class="reference internal" href="env_vars.html#envvar-OMP_NUM_THREADS"><code class="xref std std-envvar docutils literal notranslate"><span class="pre">OMP_NUM_THREADS</span></code></a> environment variable or with the |
| <a class="reference internal" href="api/thread.html#_CPPv4N5arrow24SetCpuThreadPoolCapacityEi" title="arrow::SetCpuThreadPoolCapacity"><code class="xref cpp cpp-func docutils literal notranslate"><span class="pre">arrow::SetCpuThreadPoolCapacity()</span></code></a> function.</p> |
| </section> |
| <section id="serial-execution"> |
| <h3>Serial Execution<a class="headerlink" href="#serial-execution" title="Link to this heading">#</a></h3> |
| <p>Operations in Arrow C++ that may use threads can usually be configured to run serially |
| via some kind of parameter. In this case we typically replace the CPU executor with |
| an event loop operated by the calling thread. However, many operations will continue |
| to use the I/O thread pool. This means that some parallelism may still occur even when |
| serial execution is requested.</p> |
| </section> |
| <section id="jemalloc-background-threads"> |
| <h3>Jemalloc Background Threads<a class="headerlink" href="#jemalloc-background-threads" title="Link to this heading">#</a></h3> |
| <p>When using the <a class="reference internal" href="memory.html#cpp-memory-pool"><span class="std std-ref">jemalloc allocator</span></a> a small number of |
| background threads will be created by jemalloc to manage the pool. These threads |
| should have minimal impact but can show up as a memory leak when running analysis |
| tools like Valgrind. This is harmless and can be safely suppressed or Arrow C++ can |
| be compiled without jemalloc.</p> |
| </section> |
| </section> |
| <section id="asynchronous-utilities"> |
| <h2>Asynchronous Utilities<a class="headerlink" href="#asynchronous-utilities" title="Link to this heading">#</a></h2> |
| <section id="future"> |
| <h3>Future<a class="headerlink" href="#future" title="Link to this heading">#</a></h3> |
| <p>Arrow C++ uses <a class="reference internal" href="api/async.html#_CPPv4I0EN5arrow6FutureE" title="arrow::Future"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::Future</span></code></a> to communicate results between threads. Typically |
| an <a class="reference internal" href="api/async.html#_CPPv4I0EN5arrow6FutureE" title="arrow::Future"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::Future</span></code></a> will be created when an operation needs to perform some kind |
| of long running task that will block for some period of time. <a class="reference internal" href="api/async.html#_CPPv4I0EN5arrow6FutureE" title="arrow::Future"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::Future</span></code></a> |
| objects are mainly meant for internal use and any method that returns an |
| <a class="reference internal" href="api/async.html#_CPPv4I0EN5arrow6FutureE" title="arrow::Future"><code class="xref cpp cpp-class docutils literal notranslate"><span class="pre">arrow::Future</span></code></a> will usually have a synchronous variant as well.</p> |
| </section> |
| </section> |
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