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| <h2>Spark Release 3.0.3</h2> |
| |
| |
| <p>Spark 3.0.3 is a maintenance release containing stability fixes. This release is based on the branch-3.0 maintenance branch of Spark. We strongly recommend all 3.0 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-34421">[SPARK-34421]</a>: Custom functions can’t be used in temporary views with CTEs</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34545">[SPARK-34545]</a>: PySpark Python UDF return inconsistent results when applying 2 UDFs with different return type to 2 columns together</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34719">[SPARK-34719]</a>: Fail if the view query has duplicated column names</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35463">[SPARK-35463]</a>: Skip checking checksum on a system doesn’t have <code class="language-plaintext highlighter-rouge">shasum</code></li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-32924">[SPARK-32924]</a>: Web UI sort on duration is wrong</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-33482">[SPARK-33482]</a>: V2 Datasources that extend FileScan preclude exchange reuse</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-33504">[SPARK-33504]</a>: The application log in the Spark history server contains sensitive attributes such as password that should be redated instead of plain text</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34424">[SPARK-34424]</a>: HiveOrcHadoopFsRelationSuite fails with seed 610710213676</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34556">[SPARK-34556]</a>: Checking duplicate static partition columns doesn’t respect case sensitive conf</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34596">[SPARK-34596]</a>: NewInstance.doGenCode should not throw malformed class name error</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34763">[SPARK-34763]</a>: col(), $”<name>" and df("name") should handle quoted column names properly</name></li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34794">[SPARK-34794]</a>: Nested higher-order functions broken in DSL</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34798">[SPARK-34798]</a>: Fix incorrect join condition</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34876">[SPARK-34876]</a>: Non-nullable aggregates can return NULL in a correlated subquery</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34897">[SPARK-34897]</a>: Support reconcile schemas based on index after nested column pruning</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34909">[SPARK-34909]</a>: conv() does not convert negative inputs to unsigned correctly</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34922">[SPARK-34922]</a>: Use better CBO cost function</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34963">[SPARK-34963]</a>: Nested column pruning fails to extract case-insensitive struct field from array</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34970">[SPARK-34970]</a>: Redact map-type options in the output of explain()</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35080">[SPARK-35080]</a>: Correlated subqueries with equality predicates can return wrong results</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35096">[SPARK-35096]</a>: foreachBatch throws ArrayIndexOutOfBoundsException if schema is case Insensitive</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35106">[SPARK-35106]</a>: HadoopMapReduceCommitProtocol performs bad rename when dynamic partition overwrite is used</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35227">[SPARK-35227]</a>: Replace Bintray with the new repository service for the spark-packages resolver in SparkSubmit</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35296">[SPARK-35296]</a>: Dataset.observe fails with an assertion</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35482">[SPARK-35482]</a>: case sensitive block manager port key should be used in BasicExecutorFeatureStep</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35493">[SPARK-35493]</a>: spark.blockManager.port does not work for driver pod</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35659">[SPARK-35659]</a>: Avoid write null to StateStore</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35673">[SPARK-35673]</a>: Spark fails on unrecognized hint in subquery</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35679">[SPARK-35679]</a>: Overflow on converting valid Timestamp to Microseconds</li> |
| <li> |
| <table> |
| <tbody> |
| <tr> |
| <td><a href="https://issues.apache.org/jira/browse/SPARK-34697">[SPARK-34697]</a>: Allow DESCRIBE FUNCTION and SHOW FUNCTIONS explain about</td> |
| <td> </td> |
| <td>(string concatenation operator)</td> |
| </tr> |
| </tbody> |
| </table> |
| </li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34772">[SPARK-34772]</a>: RebaseDateTime loadRebaseRecords should use Spark classloader instead of context</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35127">[SPARK-35127]</a>: When we switch between different stage-detail pages, the entry item in the newly-opened page may be blank</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35168">[SPARK-35168]</a>: mapred.reduce.tasks should be shuffle.partitions not adaptive.coalescePartitions.initialPartitionNum</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35566">[SPARK-35566]</a>: Fix number of output rows for StateStoreRestoreExec</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35714">[SPARK-35714]</a>: Bug fix for deadlock during the executor shutdown</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34534">[SPARK-34534]</a>: New protocol FetchShuffleBlocks in OneForOneBlockFetcher lead to data loss or correctness</li> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34939">[SPARK-34939]</a>: Throw fetch failure exception when unable to deserialize broadcasted map statuses</li> |
| </ul> |
| |
| <h3 id="dependency-changes">Dependency Changes</h3> |
| |
| <p>While being a maintence release we did still upgrade some dependencies in this release they are:</p> |
| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-35210">[SPARK-35210]</a>: Upgrade Jetty to 9.4.40 to fix ERR_CONNECTION_RESET issue</li> |
| </ul> |
| |
| <h3 id="known-issues">Known issues</h3> |
| <ul> |
| <li><a href="https://issues.apache.org/jira/browse/SPARK-34529">[SPARK-34529]</a>: spark.read.csv is throwing exception ,”lineSep’ can contain only 1 character” when parsing windows line feed (CR LF)</li> |
| </ul> |
| |
| <p>You can consult JIRA for the <a href="https://s.apache.org/spark-3.0.3">detailed changes</a>.</p> |
| |
| <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> |
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| <span class="small">(Nov 30, 2023)</span></li> |
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