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| <h2>Spark Release 3.4.2</h2> |
| |
| |
| <p>Spark 3.4.2 is a maintenance release containing security and correctness fixes. This release is based on the branch-3.4 maintenance branch of Spark. We strongly recommend all 3.4 users to upgrade to this stable release.</p> |
| |
| <h3 id="notable-changes">Notable changes</h3> |
| |
| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-42784">[SPARK-42784]</a>: should still create subDir when the number of subDir in merge dir is less than conf</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-43203">[SPARK-43203]</a>: Fix DROP table behavior in session catalog</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-43393">[SPARK-43393]</a>: Address sequence expression overflow bug</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44040">[SPARK-44040]</a>: Fix compute stats when AggregateExec node above QueryStageExec</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44079">[SPARK-44079]</a>: Fix <code class="language-plaintext highlighter-rouge">ArrayIndexOutOfBoundsException</code> when parse array as struct using PERMISSIVE mode with corrupt record</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44134">[SPARK-44134]</a>: Fix setting resources (GPU/FPGA) to 0 when they are set in spark-defaults.conf</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44136">[SPARK-44136]</a>: Fixed an issue that StateManager may get materialized in executor instead of driver in FlatMapGroupsWithStateExec</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44142">[SPARK-44142]</a>: Replace type with tpe in utility to convert python types to spark types</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44180">[SPARK-44180]</a>: DistributionAndOrderingUtils should apply ResolveTimeZone</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44206">[SPARK-44206]</a>: DataSet.selectExpr scope Session.active</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44215">[SPARK-44215]</a>: If num chunks are 0, then server should throw a RuntimeException</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44241">[SPARK-44241]</a>: Mistakenly set io.connectionTimeout/connectionCreationTimeout to zero or negative will cause incessant executor cons/destructions</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44251">[SPARK-44251]</a>: Set nullable correctly on coalesced join key in full outer USING join</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44313">[SPARK-44313]</a>: Fix generated column expression validation when there is a char/varchar column in the schema</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44391">[SPARK-44391]</a>: Check the number of argument types in <code class="language-plaintext highlighter-rouge">InvokeLike</code></li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44464">[SPARK-44464]</a>: Fix applyInPandasWithStatePythonRunner to output rows that have Null as first column value</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44479">[SPARK-44479]</a>: Fix protobuf conversion from an empty struct type</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44547">[SPARK-44547]</a>: Ignore fallback storage for cached RDD migration</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44581">[SPARK-44581]</a>: Fix the bug that ShutdownHookManager gets wrong UGI from SecurityManager of ApplicationMaster</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44588">[SPARK-44588]</a>: Fix double encryption issue for migrated shuffle blocks</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44630">[SPARK-44630]</a>: Revert “[SPARK-43043] Improve the performance of MapOutputTracker.updateMapOutput”</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44634">[SPARK-44634]</a>: Encoders.bean does no longer support nested beans with type arguments</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44641">[SPARK-44641]</a>: Incorrect result in certain scenarios when SPJ is not triggered</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44653">[SPARK-44653]</a>: Non-trivial DataFrame unions should not break caching</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44657">[SPARK-44657]</a>: Fix incorrect limit handling in ArrowBatchWithSchemaIterator and config parsing of CONNECT_GRPC_ARROW_MAX_BATCH_SIZE</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44805">[SPARK-44805]</a>: getBytes/getShorts/getInts/etc. should work in a column vector that has a dictionary</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44840">[SPARK-44840]</a>: Make <code class="language-plaintext highlighter-rouge">array_insert()</code> 1-based for negative indexes</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44846">[SPARK-44846]</a>: Convert the lower redundant Aggregate to Project in RemoveRedundantAggregates</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44854">[SPARK-44854]</a>: Python timedelta to DayTimeIntervalType edge case bug</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44857">[SPARK-44857]</a>: Fix <code class="language-plaintext highlighter-rouge">getBaseURI</code> error in Spark Worker LogPage UI buttons</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44859">[SPARK-44859]</a>: Fix incorrect property name in structured streaming doc</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44871">[SPARK-44871]</a>: Fix percentile_disc behaviour</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44910">[SPARK-44910]</a>: Encoders.bean does not support superclasses with generic type arguments</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44920">[SPARK-44920]</a>: Use await() instead of awaitUninterruptibly() in TransportClientFactory.createClient()</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44925">[SPARK-44925]</a>: K8s default service token file should not be materialized into token</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44935">[SPARK-44935]</a>: Fix <code class="language-plaintext highlighter-rouge">RELEASE</code> file to have the correct information in Docker images if exists</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44937">[SPARK-44937]</a>: Mark connection as timedOut in TransportClient.close</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44940">[SPARK-44940]</a>: Improve performance of JSON parsing when “spark.sql.json.enablePartialResults” is enabled</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44973">[SPARK-44973]</a>: Fix <code class="language-plaintext highlighter-rouge">ArrayIndexOutOfBoundsException</code> in <code class="language-plaintext highlighter-rouge">conv()</code></li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44990">[SPARK-44990]</a>: Reduce the frequency of get <code class="language-plaintext highlighter-rouge">spark.sql.legacy.nullValueWrittenAsQuotedEmptyStringCsv</code></li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45054">[SPARK-45054]</a>: HiveExternalCatalog.listPartitions should restore partition statistics</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45057">[SPARK-45057]</a>: Avoid acquire read lock when keepReadLock is false</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45071">[SPARK-45071]</a>: Optimize the processing speed of <code class="language-plaintext highlighter-rouge">BinaryArithmetic#dataType</code> when processing multi-column data</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45075">[SPARK-45075]</a>: Fix alter table with invalid default value will not report error</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45078">[SPARK-45078]</a>: Fix <code class="language-plaintext highlighter-rouge">array_insert</code> ImplicitCastInputTypes not work</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45079">[SPARK-45079]</a>: Fix an internal error from <code class="language-plaintext highlighter-rouge">percentile_approx()</code>on <code class="language-plaintext highlighter-rouge">NULL</code> accuracy</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45081">[SPARK-45081]</a>: Encoders.bean does no longer work with read-only properties</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45100">[SPARK-45100]</a>: Fix an internal error from <code class="language-plaintext highlighter-rouge">reflect()</code>on <code class="language-plaintext highlighter-rouge">NULL</code> class and method</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45109">[SPARK-45109]</a>: Fix log function in Connect</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45187">[SPARK-45187]</a>: Fix <code class="language-plaintext highlighter-rouge">WorkerPage</code> to use the same pattern for <code class="language-plaintext highlighter-rouge">logPage</code> urls</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45227">[SPARK-45227]</a>: Fix a subtle thread-safety issue with CoarseGrainedExecutorBackend</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45282">[SPARK-45282]</a>: Correctness issue in AQE with InMemoryTableScanExec</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45389">[SPARK-45389]</a>: Correct MetaException matching rule on getting partition metadata</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45430">[SPARK-45430]</a>: Fix for FramelessOffsetWindowFunction when IGNORE NULLS and offset > rowCount</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45433">[SPARK-45433]</a>: Fix CSV/JSON schema inference when timestamps do not match specified timestampFormat</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45473">[SPARK-45473]</a>: Fix incorrect error message for RoundBase</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45508">[SPARK-45508]</a>: Add “–add-opens=java.base/jdk.internal.ref=ALL-UNNAMED” so Platform can access Cleaner on Java 9+</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45592">[SPARK-45592]</a>: Correctness issue in AQE with InMemoryTableScanExec</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45604">[SPARK-45604]</a>: Add LogicalType checking on INT64 -> DateTime conversion on Parquet Vectorized Reader</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45652">[SPARK-45652]</a>: SPJ: Handle empty input partitions after dynamic filtering</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45670">[SPARK-45670]</a>: SparkSubmit does not support <code class="language-plaintext highlighter-rouge">--total-executor-cores</code> when deploying on K8s</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45678">[SPARK-45678]</a>: Cover BufferReleasingInputStream.available/reset under tryOrFetchFailedException</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45749">[SPARK-45749]</a>: Fix <code class="language-plaintext highlighter-rouge">Spark History Server</code> to sort <code class="language-plaintext highlighter-rouge">Duration</code> column properly</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45786">[SPARK-45786]</a>: Fix inaccurate Decimal multiplication and division results</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45814">[SPARK-45814]</a>: Make ArrowConverters.createEmptyArrowBatch call close() to avoid memory leak</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45882">[SPARK-45882]</a>: BroadcastHashJoinExec propagate partitioning should respect CoalescedHashPartitioning</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45896">[SPARK-45896]</a>: Construct <code class="language-plaintext highlighter-rouge">ValidateExternalType</code> with the correct expected type</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45920">[SPARK-45920]</a>: group by ordinal should be idempotent</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-46006">[SPARK-46006]</a>: YarnAllocator miss clean targetNumExecutorsPerResourceProfileId after YarnSchedulerBackend call stop</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-46012">[SPARK-46012]</a>: EventLogFileReader should not read rolling logs if app status file is missing</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-46062">[SPARK-46062]</a>: Sync the isStreaming flag between CTE definition and reference</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-46064">[SPARK-46064]</a>: Move out EliminateEventTimeWatermark to the analyzer and change to only take effect on resolved child</li> |
| </ul> |
| |
| <h3 id="dependency-changes">Dependency Changes</h3> |
| |
| <p>While being a maintenance release we did still upgrade some dependencies in this release they are:</p> |
| |
| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44415">[SPARK-44415]</a>: Upgrade snappy-java to 1.1.10.2</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-44513">[SPARK-44513]</a>: Upgrade snappy-java to 1.1.10.3</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45103">[SPARK-45103]</a>: Update ORC to 1.8.5</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-45884">[SPARK-45884]</a>: Update ORC to 1.8.6</li> |
| </ul> |
| |
| <p>You can consult JIRA for the <a href="https://s.apache.org/spark-3.4.2">detailed changes</a>.</p> |
| |
| <p>We would like to acknowledge all community members for contributing patches to this release.</p> |
| |
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