| From: | Alexander Lakhin <exclusion(at)gmail(dot)com> |
|---|---|
| To: | "Anton A(dot) Melnikov" <a(dot)melnikov(at)postgrespro(dot)ru>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, "pgsql-hackers(at)lists(dot)postgresql(dot)org" <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)enterprisedb(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Andrei Lepikhov <a(dot)lepikhov(at)postgrespro(dot)ru>, Stephen Frost <sfrost(at)snowman(dot)net>, reid(dot)thompson(at)crunchydata(dot)com, Arne Roland <A(dot)Roland(at)index(dot)de>, vignesh C <vignesh21(at)gmail(dot)com>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>, "stephen(dot)frost" <stephen(dot)frost(at)crunchydata(dot)com> |
| Subject: | Re: Add the ability to limit the amount of memory that can be allocated to backends. |
| Date: | 2024-03-15 07:00:00 |
| Message-ID: | f0e6301d-dcad-85cc-1e9d-d70ad25fd0ea@gmail.com |
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| Lists: | pgsql-hackers |
Hello Anton,
14.03.2024 23:36, Anton A. Melnikov wrote:
> On 13.03.2024 10:41, Anton A. Melnikov wrote:
>
>> Here is a version updated for the current master.
>>
>
> During patch updating i mistakenly added double counting of deallocatated blocks.
> That's why the tests in the patch tester failed.
> Fixed it and squashed fix 0002 with 0001.
> Here is fixed version.
Please try the following with the patches applied:
echo "shared_buffers = '1MB'
max_total_backend_memory = '10MB'" > /tmp/extra.config
CPPFLAGS="-Og" ./configure --enable-tap-tests --enable-debug --enable-cassert ...
TEMP_CONFIG=/tmp/extra.config make check
It fails for me as follows:
...
# postmaster did not respond within 60 seconds, examine ".../src/test/regress/log/postmaster.log" for the reason
...
src/test/regress/log/postmaster.log contains:
...
TRAP: failed Assert("ret != NULL"), File: "mcxt.c", Line: 1327, PID: 4109270
TRAP: failed Assert("ret != NULL"), File: "mcxt.c", Line: 1327, PID: 4109271
postgres: autovacuum launcher (ExceptionalCondition+0x69)[0x55ce441fcc6e]
postgres: autovacuum launcher (palloc0+0x0)[0x55ce4422eb67]
postgres: logical replication launcher (ExceptionalCondition+0x69)[0x55ce441fcc6e]
postgres: autovacuum launcher (InitDeadLockChecking+0xa6)[0x55ce4408a6f0]
postgres: logical replication launcher (palloc0+0x0)[0x55ce4422eb67]
postgres: logical replication launcher (InitDeadLockChecking+0x45)[0x55ce4408a68f]
postgres: autovacuum launcher (InitProcess+0x600)[0x55ce4409c6f2]
postgres: logical replication launcher (InitProcess+0x600)[0x55ce4409c6f2]
postgres: autovacuum launcher (+0x44b4e2)[0x55ce43ff24e2]
...
grep TRAP src/test/regress/log/postmaster.log | wc -l
445
Best regards,
Alexander
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