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Instrument checkpoint sync calls.

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Greg Smith, reviewed by Jeff Janes
This commit is contained in:
Robert Haas
2010-12-14 09:25:25 -05:00
parent 9878e295dc
commit 34c70c7ac4
3 changed files with 79 additions and 6 deletions
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7
src/include/access/xlog.h
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@ -257,6 +257,13 @@ typedef struct CheckpointStatsData
int ckpt_segs_added; /* # of new xlog segments created */
int ckpt_segs_removed; /* # of xlog segments deleted */
int ckpt_segs_recycled; /* # of xlog segments recycled */
int ckpt_sync_rels; /* # of relations synced */
uint64 ckpt_longest_sync; /* Longest sync for one relation */
uint64 ckpt_agg_sync_time; /* The sum of all the individual sync
* times, which is not necessarily the
* same as the total elapsed time for
* the entire sync phase. */
} CheckpointStatsData;
extern CheckpointStatsData CheckpointStats;