[tarantool-patches] Re: [PATCH 2/7] vinyl: add global memory stats

Konstantin Osipov kostja at tarantool.org
Mon Sep 3 01:27:17 MSK 2018


* Vladimir Davydov <vdavydov.dev at gmail.com> [18/09/02 23:23]:
> box.info.memory() gives you some insight on what memory is used for,
> but it's very coarse. For vinyl we need finer grained global memory
> statistics.
> 
> This patch adds such: they are reported under box.stat.vinyl().memory
> and consist of the following entries:
> 
>  - level0: sum size of level-0 of all LSM trees.
>  - tx: size of memory used by tx write and read sets.
>  - tuple_cache: size of memory occupied by tuple cache.
>  - page_index: size of memory used for storing page indexes.
>  - bloom_filter: size of memory used for storing bloom filters.
> 
> It also removes box.stat.vinyl().cache, as the size of cache is now
> reported under memory.tuple_cache.

Please add a plea to docbot.

 

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Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
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