| From: | Stas Kelvich <s(dot)kelvich(at)postgrespro(dot)ru> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
| Cc: | Petr Jelinek <petr(dot)jelinek(at)2ndquadrant(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Logical replication ApplyContext bloat |
| Date: | 2017-04-20 13:34:02 |
| Message-ID: | BFD86E57-D4F9-4BA1-89DA-8E0B5F9AF10F@postgrespro.ru |
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| Lists: | pgsql-hackers |
> On 19 Apr 2017, at 16:07, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> wrote:
>
> Stas Kelvich wrote:
>
>> With patch MemoryContextStats() shows following hierarchy during slot operations in
>> apply worker:
>>
>> TopMemoryContext: 83824 total in 5 blocks; 9224 free (8 chunks); 74600 used
>> ApplyContext: 8192 total in 1 blocks; 6520 free (4 chunks); 1672 used
>> ApplyMessageContext: 8192 total in 1 blocks; 6632 free (11 chunks); 1560 used
>> ExecutorState: 8192 total in 1 blocks; 7624 free (0 chunks); 568 used
>> ExprContext: 0 total in 0 blocks; 0 free (0 chunks); 0 used
>
> Please update src/backend/utils/mmgr/README to list the new contexts.
Thanks for noting.
Added short description of ApplyContext and ApplyMessageContext to README.
| Attachment | Content-Type | Size |
|---|---|---|
| apply_contexts_2.patch | application/octet-stream | 6.9 KB |
| unknown_filename | text/plain | 98 bytes |
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