Amazon EMR 6.10.0 - Tez release notes - Amazon EMR
Tez changes
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Amazon EMR 6.10.0 - Tez release notes

Amazon EMR 6.10.0 - Tez changes

Type Description
Feature Enable tez.runtime.transfer.data-via-events.enabled by default
Backport TEZ-4450: Fix shuffle data fetch failure when shuffle data is transferred via data movement events
Backport TEZ-4460: Fix read timeout error in fetching shuffle data from Tez Shuffle Handler
Backport TEZ-4455: Add LoggingHandler in ShuffleHandler pipeline for better debuggability
Bug Fix Tez task getting stuck intermittently when preemption of task is enabled

Amazon EMR 6.10.0 - Tez known issues

  • Hive jobs running on Tez – In clusters with SSL enabled running EMR version 6.9.0, there is a known issue where Hive jobs running on Tez fail with SSLHandshakeException. This is related to the open-source issue TEZ-4096, which was introduced with the Tez upgrade to version 0.10.2 in EMR 6.9.0. The issue requires SSL-related configurations to be passed from the client side (Hive).

    Fix version: – EMR 6.10.0

    Workaround for version 6.9 – Add the following SSL configuration to tez-site.xml:

    <property>
    <name>ssl.client.truststore.location</name>
    <value>{SSL_TRUSTSTORE_LOCATION}</value>
</property>

  • Pig jobs running on Tez – In clusters with SSL enabled running EMR version 6.9.0 to 7.0.0, there is a known issue where Pig jobs running on Tez fail with SSLHandshakeException. This is related to the open-source issue TEZ-4096, which was introduced with the Tez upgrade to version 0.10.2 in EMR 6.9.0. The issue requires SSL-related configurations to be passed from the client side (Pig).

    Fix version: – EMR 7.1.0

    Workaround – Add the following SSL configuration to tez-site.xml:

    <property>
    <name>ssl.client.truststore.location</name>
    <value>{SSL_TRUSTSTORE_LOCATION}</value>
</property>