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Update the SQL that updates the monitor counts to be more efficient.

This commit is contained in:
Isaac Connor 2018-01-04 17:15:46 -05:00
parent db0e35bf55
commit 68166719ca
1 changed files with 37 additions and 0 deletions
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37
scripts/zmwatch.pl.in
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@ -79,11 +79,47 @@ my $sql = $Config{ZM_SERVER_ID} ? 'SELECT * FROM Monitors WHERE ServerId=?' : 'S
my $sth = $dbh->prepare_cached( $sql )
or Fatal( "Can't prepare '$sql': ".$dbh->errstr() );
my $eventcounts_sql = q`
UPDATE Monitors INNER JOIN (
SELECT MonitorId,
COUNT(Id) AS TotalEvents,
SUM(DiskSpace) AS TotalEventDiskSpace,
SUM(IF(Archived,1,0)) AS ArchivedEvents,
SUM(IF(Archived,DiskSpace,0)) AS ArchivedEventDiskSpace,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 hour),1,0)) AS HourEvents,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 hour),DiskSpace,0)) AS HourEventDiskSpace,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 day),1,0)) AS DayEvents,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 day),DiskSpace,0)) AS DayEventDiskSpace,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 week),1,0)) AS WeekEvents,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 week),DiskSpace,0)) AS WeekEventDiskSpace,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 month),1,0)) AS MonthEvents,
SUM(IF(StartTime > DATE_SUB(NOW(), INTERVAL 1 month),DiskSpace,0)) AS MonthEventDiskSpace
FROM Events GROUP BY MonitorId
) AS E ON E.MonitorId=Monitors.Id SET
Monitors.TotalEvents = E.TotalEvents,
Monitors.TotalEventDiskSpace = E.TotalEventDiskSpace,
Monitors.ArchivedEvents = E.ArchivedEvents,
Monitors.ArchivedEventDiskSpace = E.ArchivedEventDiskSpace,
Monitors.HourEvents = E.HourEvents,
Monitors.HourEventDiskSpace = E.HourEventDiskSpace,
Monitors.DayEvents = E.DayEvents,
Monitors.DayEventDiskSpace = E.DayEventDiskSpace,
Monitors.WeekEvents = E.WeekEvents,
Monitors.WeekEventDiskSpace = E.WeekEventDiskSpace,
Monitors.MonthEvents = E.MonthEvents,
Monitors.MonthEventDiskSpace = E.MonthEventDiskSpace
WHERE Id=?
`;
my $eventcounts_sth = $dbh->prepare_cached( $eventcounts_sql );
while( 1 ) {
my $res = $sth->execute( $Config{ZM_SERVER_ID} ? $Config{ZM_SERVER_ID} : () )
or Fatal( "Can't execute: ".$sth->errstr() );
while( my $monitor = $sth->fetchrow_hashref() ) {
$eventcounts_sth->execute( $$monitor{Id} ) or Error( "Can't execute: ".$eventcounts_sth->errstr() );
my $now = time();
next if $monitor->{Function} eq 'None';
my $restart = 0;
@ -179,6 +215,7 @@ while( 1 ) {
} # end foreach monitor
$eventcounts_sth->finish();
sleep( $Config{ZM_WATCH_CHECK_INTERVAL} );
} # end while (1)