database/mariadb-columnstore-engine
1
0
Fork 0
mirror of https://github.com/mariadb-corporation/mariadb-columnstore-engine.git synced 2025-11-25 20:23:16 +03:00
Code Activity

restart DMLProc again after failover to fix locking issues on rollback

Browse Source
This commit is contained in:
benthompson15
2020-04-24 13:33:13 -05:00
parent 5f8b577dc8
commit b131709e54
1 changed files with 31 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
procmgr/main.cpp
View File

@@ -2486,8 +2486,37 @@ void pingDeviceThread()
log.writeLog(__LINE__, "'dbrmctl resume' done", LOG_TYPE_DEBUG);
//set recycle process
//processManager.recycleProcess(moduleName);
//processManager.reinitProcesses();
// waiting until dml are ACTIVE
// disableModule is going to trigger DMLProc to restart wait for it
int retry = 0;
while (retry < 30)
{
ProcessStatus DMLprocessstatus;
try
{
oam.getProcessStatus("DMLProc", config.moduleName(), DMLprocessstatus);
}
catch (exception& ex)
{}
catch (...)
{}
if (DMLprocessstatus.ProcessOpState == oam::BUSY_INIT)
log.writeLog(__LINE__, "Waiting for DMLProc to finish rollback", LOG_TYPE_DEBUG);
if (DMLprocessstatus.ProcessOpState == oam::ACTIVE)
break;
if (DMLprocessstatus.ProcessOpState == oam::FAILED)
break;
// wait some more
sleep(2);
++retry;
}
// restart DMLProc again to retrigger rollback with all dbroots connected
processManager.restartProcessType("DMLProc");
//set query system state ready
processManager.setQuerySystemState(true);
}