Re: Patch for fixing a few memory leaks

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От Bruce Momjian
Тема Re: Patch for fixing a few memory leaks
Дата
Msg-id 200110041916.f94JG2513079@candle.pha.pa.us
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Ответ на Patch for fixing a few memory leaks  (Teodor Sigaev <teodor@stack.net>)
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Patch applied.  Thanks.

> Patch fix memory leaks in src/backend/utils/fmgr/dfmgr.c .
> This leaks is very significant with massive update/insert tables with gist 
> indexes in one transaction or with following sequence of commands:
> 1. COPY in table large number of row
> 2. CREATE GiST index on table
> 3. VACUUM ANALYZE
> On third step postgres eats very big number of memory.
> This patch fix it.
> 
> BTW
> Tom, I want to notice that initGISTstate is called for every inserting value 
> (for each row). I think it's not good, because this function called 'fmgr_info' 
> 7 times. 'fmgr_info' call a  'load_external_function' with execution of sequence 
> search on library name. Any suggestion?
> 
> -- 
> Teodor Sigaev
> teodor@stack.net
> 

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