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8d9a935965
This view shows the statistics about WAL activity. Currently it has only two columns: wal_buffers_full and stats_reset. wal_buffers_full column indicates the number of times WAL data was written to the disk because WAL buffers got full. This information is useful when tuning wal_buffers. stats_reset column indicates the time at which these statistics were last reset. pg_stat_wal view is also the basic infrastructure to expose other various statistics about WAL activity later. Bump PGSTAT_FILE_FORMAT_ID due to the change in pgstat format. Bump catalog version. Author: Masahiro Ikeda Reviewed-by: Takayuki Tsunakawa, Kyotaro Horiguchi, Amit Kapila, Fujii Masao Discussion: https://postgr.es/m/188bd3f2d2233cf97753b5ced02bb050@oss.nttdata.com |
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