diff options
| -rw-r--r-- | doc/src/sgml/ref/explain.sgml | 3 | ||||
| -rw-r--r-- | src/backend/commands/explain.c | 8 |
2 files changed, 9 insertions, 2 deletions
diff --git a/doc/src/sgml/ref/explain.sgml b/doc/src/sgml/ref/explain.sgml index 6dda680aa0d..7dee77fd366 100644 --- a/doc/src/sgml/ref/explain.sgml +++ b/doc/src/sgml/ref/explain.sgml @@ -241,7 +241,8 @@ ROLLBACK; <para> Include information on WAL record generation. Specifically, include the number of records, number of full page images (fpi), the amount of WAL - generated in bytes and the number of times the WAL buffers became full. + generated in bytes, the amount of full page images generated in bytes, + and the number of times the WAL buffers became full. In text format, only non-zero values are printed. This parameter may only be used when <literal>ANALYZE</literal> is also enabled. It defaults to <literal>FALSE</literal>. diff --git a/src/backend/commands/explain.c b/src/backend/commands/explain.c index e6edae0845c..7e699f8595e 100644 --- a/src/backend/commands/explain.c +++ b/src/backend/commands/explain.c @@ -4283,7 +4283,8 @@ show_wal_usage(ExplainState *es, const WalUsage *usage) { /* Show only positive counter values. */ if ((usage->wal_records > 0) || (usage->wal_fpi > 0) || - (usage->wal_bytes > 0) || (usage->wal_buffers_full > 0)) + (usage->wal_bytes > 0) || (usage->wal_buffers_full > 0) || + (usage->wal_fpi_bytes > 0)) { ExplainIndentText(es); appendStringInfoString(es->str, "WAL:"); @@ -4297,6 +4298,9 @@ show_wal_usage(ExplainState *es, const WalUsage *usage) if (usage->wal_bytes > 0) appendStringInfo(es->str, " bytes=%" PRIu64, usage->wal_bytes); + if (usage->wal_fpi_bytes > 0) + appendStringInfo(es->str, " fpi bytes=%" PRIu64, + usage->wal_fpi_bytes); if (usage->wal_buffers_full > 0) appendStringInfo(es->str, " buffers full=%" PRId64, usage->wal_buffers_full); @@ -4311,6 +4315,8 @@ show_wal_usage(ExplainState *es, const WalUsage *usage) usage->wal_fpi, es); ExplainPropertyUInteger("WAL Bytes", NULL, usage->wal_bytes, es); + ExplainPropertyUInteger("WAL FPI Bytes", NULL, + usage->wal_fpi_bytes, es); ExplainPropertyInteger("WAL Buffers Full", NULL, usage->wal_buffers_full, es); } |