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Publish checkpoint timing information to pg_stat_bgwriter.

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Greg Smith, Peter Geoghegan, and Robert Haas
This commit is contained in:
Robert Haas
2012-04-05 14:03:21 -04:00
parent a75b08066a
commit b736aef2ec
10 changed files with 81 additions and 26 deletions
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4
src/include/pgstat.h
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@ -366,6 +366,8 @@ typedef struct PgStat_MsgBgWriter
PgStat_Counter m_buf_written_backend;
PgStat_Counter m_buf_fsync_backend;
PgStat_Counter m_buf_alloc;
PgStat_Counter m_checkpoint_write_time;
PgStat_Counter m_checkpoint_sync_time;
} PgStat_MsgBgWriter;
/* ----------
@ -612,6 +614,8 @@ typedef struct PgStat_GlobalStats
TimestampTz stats_timestamp; /* time of stats file update */
PgStat_Counter timed_checkpoints;
PgStat_Counter requested_checkpoints;
PgStat_Counter checkpoint_write_time; /* times in milliseconds */
PgStat_Counter checkpoint_sync_time;
PgStat_Counter buf_written_checkpoints;
PgStat_Counter buf_written_clean;
PgStat_Counter maxwritten_clean;