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| <h2>Spark Release 2.4.5</h2> |
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| <p>Spark 2.4.5 is a maintenance release containing stability fixes. This release is based on the branch-2.4 maintenance branch of Spark. We strongly recommend all 2.4 users to upgrade to this stable release.</p> |
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| <h3 id="notable-changes">Notable changes</h3> |
| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-21492">[SPARK-21492]</a>: Fix memory leak in SortMergeJoin</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-26985">[SPARK-26985]</a>: Fix “access only some column of the all of columns “ for big endian architecture</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-27812">[SPARK-27812]</a>: Bump K8S client version to 4.6.1</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-28152">[SPARK-28152]</a>: Add a legacy conf for old MsSqlServerDialect numeric mapping</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-28939">[SPARK-28939]</a>: Propagate SQLConf for plans executed by toRdd</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-29042">[SPARK-29042]</a>: Sampling-based RDD with unordered input should be INDETERMINATE</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-29101">[SPARK-29101]</a>: Fix count API for csv file when DROPMALFORMED mode is selected</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-29651">[SPARK-29651]</a>: Fix parsing of interval seconds fraction</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-29708">[SPARK-29708]</a>: Correct aggregated values when grouping sets are duplicated</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-29743">[SPARK-29743]</a>: Fix sample to set needCopyResult to true if its child is</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-29890">[SPARK-29890]</a>: Fix DataFrameNaFunctions.fill to handle duplicate columns</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-29918">[SPARK-29918]</a>: RecordBinaryComparator should check endianness when compared by long</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-30065">[SPARK-30065]</a>: Fix DataFrameNaFunctions.drop to handle duplicate columns</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-30082">[SPARK-30082]</a>: Do not replace Zeros when replacing NaNs</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-30274">[SPARK-30274]</a>: Avoid BytesToBytesMap lookup hang forever when holding keys reaching max capacity</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-30312">[SPARK-30312]</a>: Preserve path permission and acl when truncate table</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-30447">[SPARK-30447]</a>: Fix constant propagation nullability issue</li> |
| </ul> |
| |
| <h3 id="known-issues">Known issues</h3> |
| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-26021">[SPARK-26021]</a>: -0.0 and 0.0 not treated consistently, doesn’t match Hive</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-26154">[SPARK-26154]</a>: Stream-stream joins - left outer join gives inconsistent output</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-28344">[SPARK-28344]</a>: Fail the query if detect ambiguous self join</li> |
| </ul> |
| |
| <p>You can consult JIRA for the <a href="https://s.apache.org/spark-2.4.5">detailed changes</a>.</p> |
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| <p>We would like to acknowledge all community members for contributing patches to this release.</p> |
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| <li><a href="/news/spark-3-5-1-released.html">Spark 3.5.1 released</a> |
| <span class="small">(Feb 23, 2024)</span></li> |
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| <li><a href="/news/spark-3-3-4-released.html">Spark 3.3.4 released</a> |
| <span class="small">(Dec 16, 2023)</span></li> |
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| <li><a href="/news/spark-3-4-2-released.html">Spark 3.4.2 released</a> |
| <span class="small">(Nov 30, 2023)</span></li> |
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| <li><a href="/news/spark-3-5-0-released.html">Spark 3.5.0 released</a> |
| <span class="small">(Sep 13, 2023)</span></li> |
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