[pgpool-general: 7718] Re: Out of memory

Tatsuo Ishii ishii at sraoss.co.jp
Mon Sep 27 13:22:17 JST 2021


Hi,

> Hello,
> 
> Our pgpool is consuming A LOT of memory and frequently dies with: Out of
> memory error.
> 
> We have 2 backends, 1 master and 1 slave. Here some config:
> num_init_children = 150
> max_pool = 1
> child_life_time = 300
> child_max_connections = 1
> connection_life_time = 0
> client_idle_limit = 0
> connection_cache = on
> load_balance_mode = on
> memory_cache_enabled = off
> 
> RAM: 16Gb
> 
> Does anyone have a clue what's going on?
> 
> Thank you.

Is that OOM killer or pgpool itself aborted with an out of memory
error?  If latter, can you share the pgpool log?
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp


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