diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/monitoring.sgml | 7 | ||||
| -rw-r--r-- | doc/src/sgml/parallel.sgml | 17 |
2 files changed, 6 insertions, 18 deletions
diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml index 60b89356f70..ac2721c8ad7 100644 --- a/doc/src/sgml/monitoring.sgml +++ b/doc/src/sgml/monitoring.sgml @@ -861,7 +861,7 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <tbody> <row> - <entry morerows="63"><literal>LWLock</literal></entry> + <entry morerows="64"><literal>LWLock</literal></entry> <entry><literal>ShmemIndexLock</literal></entry> <entry>Waiting to find or allocate space in shared memory.</entry> </row> @@ -1122,6 +1122,11 @@ postgres 27093 0.0 0.0 30096 2752 ? Ss 11:34 0:00 postgres: ser <entry>Waiting to add or examine predicate lock information.</entry> </row> <row> + <entry><literal>serializable_xact</literal></entry> + <entry>Waiting to perform an operation on a serializable transaction + in a parallel query.</entry> + </row> + <row> <entry><literal>parallel_query_dsa</literal></entry> <entry>Waiting for parallel query dynamic shared memory allocation lock.</entry> </row> diff --git a/doc/src/sgml/parallel.sgml b/doc/src/sgml/parallel.sgml index 1005e9fef4d..b0b03c54e5f 100644 --- a/doc/src/sgml/parallel.sgml +++ b/doc/src/sgml/parallel.sgml @@ -184,13 +184,6 @@ EXPLAIN SELECT * FROM pgbench_accounts WHERE filler LIKE '%x%'; using a very large number of processes. </para> </listitem> - - <listitem> - <para> - The transaction isolation level is serializable. This is - a limitation of the current implementation. - </para> - </listitem> </itemizedlist> <para> @@ -233,16 +226,6 @@ EXPLAIN SELECT * FROM pgbench_accounts WHERE filler LIKE '%x%'; that may be suboptimal when run serially. </para> </listitem> - - <listitem> - <para> - The transaction isolation level is serializable. This situation - does not normally arise, because parallel query plans are not - generated when the transaction isolation level is serializable. - However, it can happen if the transaction isolation level is changed to - serializable after the plan is generated and before it is executed. - </para> - </listitem> </itemizedlist> </sect1> |