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  • Proposed patches for 0.8.2.2
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JIRADescriptionSeveritySizeDecision
KAFKA-2189
Snappy compression of message batches less efficient in 0.8.2.1hightinyYes
Kafka-2308
Snappy compression and retries cause data corruption in new producerhighsmallYes
KAFKA-2421
Upgrade to LZ4 1.3 to avoid crashing IBM Java 7mediumsmalluncommitted
KAFKA-1788
producer record can stay in RecordAccumulator forever if leader is no availablehighlarge (also, adds new configuration)No
KAFKA-2120
Add a request timeout to NetworkClienthighlarge (also, adds new configuration)uncommitted
KAFKA-2114
unable to set default min.insync.replicasmediumsmallYes
KAFKA-1702
Messages silently Lost by producerhighsmallNo (Issue with old producer)
KAFKA-2012
Broker should automatically handle corrupt index filesmediumsmallNo
KAFKA-1367
Broker topic metadata not kept in sync with ZooKeepermediumlargeNo
KAFKA-2406
ISR propagation should be throttled to avoid overwhelming controller.  No (depends on KAFKA-1367)
KAFKA-972
MetadataRequest returns stale list of brokersmediumsmallNo
KAFKA-2336
Changing offsets.topic.num.partitions after the offset topic is created breaks consumer group partition assignmenthighsmallNo (unlikely user error)
KAFKA-2337
Verify that metric names will not collide when creating new topicsmediumsmallNo
KAFKA-2393
Correctly Handle InvalidTopicException in KafkaApis.getTopicMetadata()mediumsmallNo (depends on KAFKA-2337)
KAFKA-2042
New producer metadata update always get all topics.lowsmallNo
KAFKA-1867
liveBroker list not updated on a cluster with no topicsmediumsmallNo
KAFKA-1650
Mirror Maker could lose data on unclean shutdown.highlargeNo
KAFKA-2009
Fix UncheckedOffset.removeOffset synchronization and trace logging issue in mirror maker  No (depends on KAFKA-1650)
KAFKA-2407
Only create a log directory when it will be usedmediumsmallNo
KAFKA-2327
broker doesn't start if config defines advertised.host but not advertised.port  No (shouldn't exist in 0.8.2)
KAFKA-2234
Partition reassignment of a nonexistent topic prevents future reassignmentsmediumsmallNo
KAFKA-2096
Enable keepalive socket option for broker to prevent socket leakhighsmallYes
KAFKA-1057
Trim whitespaces from user specified configshighsmallYes
KAFKA-1641
Log cleaner exits if last cleaned offset is lower than earliest offsetmediumsmallNo
KAFKA-1648
Round robin consumer balance throws an NPE when there are no topicsmediumlargeNo
KAFKA-1724
Errors after reboot in single node setupmediumsmallNo (never committed)
KAFKA-1758
corrupt recovery file prevents startupmediumsmallYes
KAFKA-1866
LogStartOffset gauge throws exceptions after log.delete()lowmediumNo
KAFKA-1883
NullPointerException in RequestSendThreadhighsmallYes
KAFKA-1896
Record size function of record in mirror maker hit NPE when the message value is null.highsmallYes if applies (MirrorMaker changed a fair bit)
KAFKA-2101
Metric metadata-age is reset on a failed updatelowsmallNo
KAFKA-2112
make overflowWheel volatile  Doesn't exist in 0.8.2
KAFKA-2117
OffsetManager uses incorrect field for metadata  Doesn't exist in 0.8.2
KAFKA-2164
ReplicaFetcherThread: suspicious log message on reset offsetlowtinyNo
KAFKA-1668
TopicCommand doesn't warn if --topic argument doesn't match any topicshighsmallYes
KAFKA-2198
kafka-topics.sh exits with 0 status on failuresmediumsmallNo (can break existing scripts)
KAFKA-2235
LogCleaner offset map overflowhighsmallYes
KAFKA-2241
AbstractFetcherThread.shutdown() should not block on ReadableByteChannel.read(buffer)highsmallNo (Rare issue)
KAFKA-2272
listeners endpoint parsing fails if the hostname has capital letter  Doesn't exist in 0.8.2
KAFKA-2345
Attempt to delete a topic already marked for deletion throws ZkNodeExistsExceptionlowsmall

No

KAFKA-2355
Add an unit test to validate the deletion of a partition marked as deletedlowsmallNo (depends on KAFKA-2345)
KAFKA-2353
SocketServer.Processor should catch exception and close the socket properly in configureNewConnections.  Doesn't exist in 0.8.2
KAFKA-1836
metadata.fetch.timeout.ms set to zero blocks foreverhighsmallYes
KAFKA-2317
De-register isrChangeNotificationListener on controller resignation  Doesn't exist in 0.8.2
KAFKA-2147
Unbalanced replication can cause extreme purgatory growthhighsmallYes
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