Overview munin-monitoring.org demo.munin-monitoring.org
postgres locks munin

Graphs in same category
postgres bgwriter postgres scans munin postgres locks ALL postgres connections ALL postgres users postgres querylength ALL postgres checkpoints postgres xlog postgres connections munin postgres autovacuum postgres locks munin postgres tuples munin postgres size ALL postgres querylength munin postgres connections db postgres size munin postgres cache ALL postgres transactions munin postgres transactions ALL postgres cache munin

postgres_locks_munin • PostgreSQL

Graph Information

Field Internal name Type Warn Crit Info
ShareLock sharelock gauge     Used by CREATE INDEX queries
RowShareLock rowsharelock gauge     Used by SELECT FOR SHARE and SELECT FOR UPDATE queries
AccessExclusiveLock accessexclusivelock gauge     Used by ALTER TABLE, DROP TABLE, TRUNCATE, REINDEX, CLUSTER and VACUUM FULL queries
AccessShareLock accesssharelock gauge     Used by read only queries
RowExclusiveLock rowexclusivelock gauge     Used by UPDATE, DELETE and INSERT queries
ExclusiveLock exclusivelock gauge     Infrequently issued on system tables, or by applications
ShareUpdateExclusiveLock shareupdateexclusivelock gauge     Used by VACUUM, ANALYZE and CREATE INDEX CONCURRENTLY queries
ShareRowExclusiveLock sharerowexclusivelock gauge     Only issued explicitly from applications

Column 1

Column 2