diff options
-rw-r--r-- | doc/src/sgml/release-13.sgml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/src/sgml/release-13.sgml b/doc/src/sgml/release-13.sgml index 18e6497a7f2..0b1051ba824 100644 --- a/doc/src/sgml/release-13.sgml +++ b/doc/src/sgml/release-13.sgml @@ -649,7 +649,10 @@ Author: Jeff Davis <jdavis@postgresql.org> <para> Previously, hash aggregation was avoided if it was expected to use - more than <xref linkend="guc-work-mem"/> memory. + more than <xref linkend="guc-work-mem"/> memory. To reduce the + likelihood of using disk storage for hash aggregation and attain + behavior similar to previous Postgres releases, increase <xref + linkend="guc-hash-mem-multiplier"/>. </para> </listitem> |