Apache Pulsar 2.6.3

2021-01-26

Broker

Update the BookKeeper to version 4.11.1 #8604
Use the correct configuration for the expiration time of the ZooKeeper cache #8302
Refresh ZooKeeper-data cache in background to avoid deadlock and blocking IO on the ZooKeeper thread #8304
Add elapsedMs in the creation of the ledger log #8473
Fix the race condition when calling acknowledgementWasProcessed() #8499
Fix the way to handle errors for client requests #8518
Expose consumer names after the mark delete position for the Key_Shared subscription #8545
Close topics that remain fenced forcefully #8561
Expose the last disconnected timestamp for producers and consumers #8605
Support the HAProxy proxy protocol for Pulsar broker and Pulsar Proxy #8686
Clear delayed messages when clearing the backlog #8691
Fix the Jclouds Azure credential error #8693
Improve environment configiguration handling #8709
Fix the issue with failing to get lastMessageId for an empty topic due to message retention #8725
Ensure that the Offload manager is initialized once #8739
Fix the issue with getting partition metadata for a non-existed topic #8818
Fix the exception cast error #8828
Export Prometheus metric for messageTTL #8871
Fix the issue that GenericJsonReader converts the null value to string "null" #8883
Capture stats with precise backlog #8928
Monitor if a cursor moves its mark-delete position #8930
Intercept beforeSendMessage calls #8932
Expose non-contiguous deleted messages ranges stats #8936
Fix NPE in PersistentStickyKeyDispatcherMultipleConsumers #8969
Fix the issue that an exception is thrown when peeking at compressed messages (Readonly buffers are not supported by Airlift) #8990
Remove the duplicated broker Prometheus metrics type #8995
Improve the way to handle errors when the broker does not trust client certificates #8998
Add the raw Prometheus metrics provider #9021
Support chained authentication with same authentication method name #9094
Fix regression in apply-config-from-env.py #9097

Proxy

Fix the request.getContentLength() to return 0 if it is less than 0 #8448
Add the error log for the Pulsar Proxy starter #8451
Support enabling WebSocket on Pulsar Proxy #8613
Fix the issue that the Proxy bindAddress configuration does not work for the servicePort #9068