alter table filesplit tested ok,add msgs for grant and revoke privileges
a framework for msg consumer
modify how to determine whether filesplit key changed
Merge remote-tracking branch 'origin/v0.2' into zhaoyang
Merge remote-tracking branch 'origin/v0.2' into zhuqihan
add a new type BLOB to table
Merge remote-tracking branch 'origin/v0.2' into zhuqihan
add column_type when alter_table_add_column
Merge remote-tracking branch 'origin/v0.2' into zhaoyang
Merge remote-tracking branch 'origin/v0.2' into zhaoyang
Merge remote-tracking branch 'origin/v0.2' into zhuqihan
Add report file to generate long time report.
Merge remote-tracking branch 'origin/zhuqihan' into macan, OK
fix bug when msg send fails
Add file operation statistics
Merge remote-tracking branch 'origin/zhaoyang' into v0.2, fix ddl msg sending.
Fix the diskmanager exiting bug: conflict with RS; release checking of splitvalue version.
Add more raw report entries.
Update for XJ's random dev selection; more system stat metrics; bug fixs.