diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 313e44ed549..98e19954538 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -2634,6 +2634,44 @@ SELECT pid, wait_event_type, wait_event FROM pg_stat_activity WHERE wait_event i <row> <entry role="catalog_table_entry"><para role="column_definition"> + <structfield>stream_txns</structfield> <type>bigint</type> + </para> + <para> + Number of in-progress transactions streamed to the decoding output plugin + after the memory used by logical decoding of changes from WAL for this + slot exceeds <literal>logical_decoding_work_mem</literal>. Streaming only + works with toplevel transactions (subtransactions can't be streamed + independently), so the counter does not get incremented for subtransactions. + </para></entry> + </row> + + <row> + <entry role="catalog_table_entry"><para role="column_definition"> + <structfield>stream_count</structfield><type>bigint</type> + </para> + <para> + Number of times in-progress transactions were streamed to the decoding + output plugin while decoding changes from WAL for this slot. Transactions + may get streamed repeatedly, and this counter gets incremented on every + such invocation. + </para></entry> + </row> + + <row> + <entry role="catalog_table_entry"><para role="column_definition"> + <structfield>stream_bytes</structfield><type>bigint</type> + </para> + <para> + Amount of decoded in-progress transaction data streamed to the decoding + output plugin while decoding changes from WAL for this slot. This and other + streaming counters for this slot can be used to gauge the network I/O which + occurred during logical decoding and allow tuning <literal>logical_decoding_work_mem</literal>. + </para> + </entry> + </row> + + <row> + <entry role="catalog_table_entry"><para role="column_definition"> <structfield>stats_reset</structfield> <type>timestamp with time zone</type> </para> <para> |