diff options
Diffstat (limited to 'doc/src/sgml/logicaldecoding.sgml')
| -rw-r--r-- | doc/src/sgml/logicaldecoding.sgml | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/src/sgml/logicaldecoding.sgml b/doc/src/sgml/logicaldecoding.sgml index 813a037face..ca78a81e9c5 100644 --- a/doc/src/sgml/logicaldecoding.sgml +++ b/doc/src/sgml/logicaldecoding.sgml @@ -953,11 +953,11 @@ stream_commit_cb(...); <-- commit of the streamed transaction <para> Similar to spill-to-disk behavior, streaming is triggered when the total amount of changes decoded from the WAL (for all in-progress transactions) - exceeds limit defined by <varname>logical_decoding_work_mem</varname> setting. - At that point the largest toplevel transaction (measured by amount of memory + exceeds the limit defined by <varname>logical_decoding_work_mem</varname> setting. + At that point, the largest toplevel transaction (measured by the amount of memory currently used for decoded changes) is selected and streamed. However, in - some cases we still have to spill to the disk even if streaming is enabled - because if we cross the memory limit but we still have not decoded the + some cases we still have to spill to disk even if streaming is enabled + because we exceed the memory threshold but still have not decoded the complete tuple e.g., only decoded toast table insert but not the main table insert. </para> |