* Remove redundant session startup
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Register datanode after start success
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* fix meta snap shot
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* fix datanode message stream channel
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* Fix bugs when drop empty collection
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Fix bug of getting pchan statistics from task scheduler
Signed-off-by: Ndragondriver <jiquan.long@zilliz.com>

* Fix i/dist/dataservice test code
Signed-off-by: NCongqi Xia <congqi.xia@zilliz.com>

* Fix epoch lifetime not applied
Signed-off-by: NCongqi Xia <congqi.xia@zilliz.com>

* fix datanode flowgraph dd node
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* Fix handle datanode timetick bug
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Remove repack function of dml stream
Signed-off-by: Ndragondriver <jiquan.long@zilliz.com>

* fix proxynode
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* Apply extended seal policy
Signed-off-by: NCongqi Xia <congqi.xia@zilliz.com>

* add check for time tick
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* fix check
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* Fix the repack function of dml stream
Signed-off-by: Ndragondriver <jiquan.long@zilliz.com>

* Fix the bug when send statistics of pchan
Signed-off-by: Ndragondriver <jiquan.long@zilliz.com>

* Fix the repack function when craete dml stream
Signed-off-by: Ndragondriver <jiquan.long@zilliz.com>

* fix bugs
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* fix describe collection
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* Fix bug when send timestamp statistics
Signed-off-by: Ndragondriver <jiquan.long@zilliz.com>

* fix data node
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* Add length check before flush request
Signed-off-by: NCongqi Xia <congqi.xia@zilliz.com>

* add log for data node
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* Fix SaveBinlog bugs
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Add more log in datanode
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* Put SegmentState.Flushing as the last one in enum to fit the client
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Fix params in GetInsertBinlogPaths
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Rename policy
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Remove unused ddl functions and fields
Signed-off-by: NCongqi Xia <congqi.xia@zilliz.com>

* Remove pchan when drop collection
Signed-off-by: Ndragondriver <jiquan.long@zilliz.com>

* Add balanced assignment policy
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* fix master ut
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* Add lock in session manager
Signed-off-by: NCongqi Xia <congqi.xia@zilliz.com>

* add log for debug
Signed-off-by: Nyefu.chen <yefu.chen@zilliz.com>

* Fix some logic bug and typo
Signed-off-by: NCongqi Xia <congqi.xia@zilliz.com>

* Fix recover bugs
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Get collection scheme of a specific timestamp
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* Change CheckPoint to SegmentInfo in VchannelInfo
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>

* Recover Unflushed segment numOfRows
Signed-off-by: Nyangxuan <xuan.yang@zilliz.com>

* Fix dataservice unit tests
Signed-off-by: Nsunby <bingyi.sun@zilliz.com>
Co-authored-by: Nyefu.chen <yefu.chen@zilliz.com>
Co-authored-by: Nyangxuan <xuan.yang@zilliz.com>
Co-authored-by: Ndragondriver <jiquan.long@zilliz.com>
Co-authored-by: NCongqi Xia <congqi.xia@zilliz.com>