summaryrefslogtreecommitdiff
path: root/maintenance/lag.php
diff options
context:
space:
mode:
Diffstat (limited to 'maintenance/lag.php')
-rw-r--r--maintenance/lag.php51
1 files changed, 51 insertions, 0 deletions
diff --git a/maintenance/lag.php b/maintenance/lag.php
new file mode 100644
index 00000000..47b4c47b
--- /dev/null
+++ b/maintenance/lag.php
@@ -0,0 +1,51 @@
+<?php
+
+/**
+ * Shows database lag
+ *
+ * @ingroup Maintenance
+ */
+
+require_once( dirname(__FILE__) . '/Maintenance.php' );
+
+class DatabaseLag extends Maintenance {
+ public function __construct() {
+ parent::__construct();
+ $this->mDescription = "Shows database lag";
+ $this->addOption( 'r', "Don't exit immediately, but show the lag every 5 seconds" );
+ }
+
+ public function execute() {
+ if ( $this->hasOption( 'r' ) ) {
+ $lb = wfGetLB();
+ echo 'time ';
+ for( $i = 1; $i < $lb->getServerCount(); $i++ ) {
+ $hostname = $lb->getServerName( $i );
+ printf( "%-12s ", $hostname );
+ }
+ echo "\n";
+
+ while( 1 ) {
+ $lb->clearLagTimeCache();
+ $lags = $lb->getLagTimes();
+ unset( $lags[0] );
+ echo gmdate( 'H:i:s' ) . ' ';
+ foreach( $lags as $i => $lag ) {
+ printf( "%-12s " , $lag === false ? 'false' : $lag );
+ }
+ echo "\n";
+ sleep( 5 );
+ }
+ } else {
+ $lb = wfGetLB();
+ $lags = $lb->getLagTimes();
+ foreach( $lags as $i => $lag ) {
+ $name = $lb->getServerName( $i );
+ $this->output( sprintf( "%-20s %s\n" , $name, $lag === false ? 'false' : $lag ) );
+ }
+ }
+ }
+}
+
+$maintClass = "DatabaseLag";
+require_once( DO_MAINTENANCE );