<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Times New Roman; font-size: 12pt; color: #000000'>Hi all, My installation is centreon + nagios. Sometimes I need to do maintenance on mysql so I stop ndo2db and let nagios cache the result first. And when I start ndo2db, nagios will start flushing the items. I notice from the service perf data file, the data stops coming (or nagios not polling new data) while nagios is flushing queued item. I just want to confirm whether it is the behavior of nagios? If yes, any workaround for this? -- Best Regards, Sugianto So </div></body></html>