Bump pulsar-client from 2.6.1 to 2.8.1 in /modules/pulsar

[dependabot]

Bumps pulsar-client from 2.6.1 to 2.8.1.

Release notes

Sourced from pulsar-client's releases.

v2.8.0

PIPs

• [PIP 45] Pluggable metadata interface #9148 #9221 #9240 #9273 #9274 #9338 #9346 #9351 #9412 #9485 #9586 #9967 #9973 #10391 #10457 #10532 #10545 #10647
• [PIP 50] Package management service #8637 #8680 #8744 #8764 #8816 #8817 #8858 #8861 #8893 #8907
• [PIP 68] Exclusive producer #8685 #8992 #9554 #9600
• [PIP 70] Lightweight broker entry metadata #8618 #9067 #9088 #9091
• [PIP 71] Pulsar SQL migrate SchemaHandle to Presto decoder #8422
• [PIP 74] Client memory limits #8965 #9676
• [PIP 75] Perform serialization/deserialization with LightProto #9046
• [PIP 76] Streaming offloader #9096
• [PIP 82] Tenant and namespace level rate limiting #10008 #10201 #10204 #10218
• [PIP 83] Message consumption with pooled buffer #10184
• [PIP 85] Support get reader schema for a message in Java Client #10476

Transactions

• Support pending ack state persistence #8881
• Stable position and low watermark for the transaction buffer #9195
• Transaction timeout support #9229
• Transaction coordinator retry to complete the transaction #9236
• Fix race condition when appending transaction log #9238
• Transaction buffer snapshot #9490
• Add metrics for transaction coordinator #9706
• Clean the useless transaction individual acknowledgements based on low watermark #9722
• Fix memory leak when deleting transaction marker #9751
• Check the transaction state at the client side #9776
• Clean aborted transactions for the transaction buffer #9974
• Fix transaction coordinator retry to end transaction #10131
• Fix NPE when opening a new transaction #10139
• Fix transaction log failed to recover #10146
• Fix transaction coordinator recover timeout #10162
• Handling committing and aborting state when recovering transaction coordinator #10179
• Fix NPE in case of enableTransactionCoordinator=false #10182
• Fix transaction buffer client timeout #10206
• Fix recover max local id issue for the transaction coordinator #10224
• Support using transactions on standalone #10238
• Fix transaction buffer lookup issue #10257
• Fix transaction timeout issue at the client side #10323
• Fix transaction client reconnect issue after transaction coordinator unloaded #10327
• Fix transaction timeout not canceled after expired #10366
• Transaction log low watermark optimization #10422
• Fix the issue of transaction buffer client channel is inactive #10407
• Add Admin API for getting transaction coordinator stats #10639
• Add Admin API for getting transaction in transaction buffer stats #10642
• Add Admin API for getting transaction in pending ack stats #10648
• Add Admin API for getting transaction buffer stats and pending ack stats #10650
• Add Admin API for getting transaction coordinator internal stats #10653
• Setup transaction metadata with metadata store #10677
• Fix issue with acknowledge messages from multiple subscriptions of a topic #10689
• Admin API for getting transaction metadata #10690
• Admin API for getting slow transactions #10701

... (truncated)

Commits

• 09a6b58 [Python] Ensure producer is keeping the client object alive (#11887)
• 13416ea Fix incorrect connect timeout (#11889)
• a2d2757 Avoid throwing exceptions when setting socket option (#11329)
• c8eddf3 Fix deadlock caused by ExecutorService::close (#11882)
• 8bf8000 Forbid to read other topic's data in managedLedger layer (#11912)
• cc09a38 Fix the Pulsar Proxy flaky test. (#11900)
• f9b02ca [Issue 11814] fix pulsar admin method:getMessageById. (#11852)
• 0448c27 Fix cherry-pick issue after cherry-pick #11294
• 46d8e90 Fix using partitioned topic name to get Policy (#11294)
• 19b2b69 Fix the checkstyle issue during the cherry-pick
• Additional commits viewable in compare view

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[dependabot]

Superseded by #765.