Co-authored-by: Npanzhi33 <wb-pz502261@alibaba-inc.com>

[ISSUE 2883] [Part G] Optimise parse performance for SendMessageRequestHeaderV2

[ISSUE #2883] [Part F] Improve produce performance in M/S mode.

make free disk value more accurate

[ISSUE 2883] Improve performance of string2messageProperties/messageProperties2String, and save 1 byte for each message.

Co-authored-by: Nzhangjidi2016 <zhangjidi@cmss.chinamobile.com>

[ISSUE #3183]add synchronization for producer on method registerProducer & unregisterProducer 

Co-authored-by: Nzhangjidi2016 <zhangjidi@cmss.chinamobile.com>

* Remove putMessage/putMessages method in CommitLog which has too many duplicated code.

* Optimise performance of asyncPutMessage (extract some code out of putMessage lock)

* extract generation of msgId out of lock in CommitLog (now only for single message processor)

* extract generation of topicQueueTable key out of sync code

* extract generation of msgId out of lock in CommitLog (for batch)

* fix ipv6 problem introduced in commit "Optimise performance of asyncPutMessage (extract some code out of putMessage lock)"

add for producer

[ISSUE #3066]producing a ghost consumer at frequently start and stop consumers in one process

[ISSUE #2715] make netty parameter configure by system property

[ISSUE #3031] Upgrade netty-all dependency version to 4.1.65.Final

[ISSUE #2990] Add message tracing switch in sendMessage command of mqadmin, and add document

[ISSUE #2055] Fix NPE in SendMessageProcessor.handleRetryAndDLQ

[ISSUE #3023] Fix the inconsistency of putMessageDistributeTime statistics

[ISSUE #3021] Improve the comment of maxReconsumeTimes.

[ISSUE #3162 ]add msgTraceEnable config in transaction producer benchmark

[ISSUE #2708] fix offset rollback when fetch offset from broker exception

[ISSUE #3164]Fix the checkstyle error

[ISSUE #3046]:Polish lite pull consumer code style

[ISSUE #3154 ]delete the unuse code

[ISSUE #3128] fix the delete global white addresses

[ISSUE #3141]fix spell error

Add SyncProducer Example

[ISSUE #603] Log exception stack