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From: Konstantin Osipov <kostja@tarantool.org>
To: tarantool-patches@freelists.org
Cc: vdavydov.dev@gmail.com, Kirill Shcherbatov <kshcherbatov@tarantool.org>
Subject: Re: [tarantool-patches] [PATCH v3 1/7] memtx: introduce universal iterator_pool
Date: Fri, 22 Feb 2019 21:37:25 +0300	[thread overview]
Message-ID: <20190222183725.GD1691@chai> (raw)
In-Reply-To: <236d59ddf2ed9bb9c9e112763ca2dbd27424482a.1550849496.git.kshcherbatov@tarantool.org>

* Kirill Shcherbatov <kshcherbatov@tarantool.org> [19/02/22 19:29]:
> Memtx uses separate mempools for iterators of different types.
> Due to the fact that there will be more iterators of different
> sizes in a series of upcoming changes, let's always allocate the
> iterator of the largest size.

If rtree iterator is the one which is largest, let's use a
separate pool for it. 

In general mempools are rather cheap. Each mempool takes a slab
for ~100 objects and uses no slabs if there are no objects (e.g.
if rtree index is not used, there is no mempool memory for it).


-- 
Konstantin Osipov, Moscow, Russia, +7 903 626 22 32
http://tarantool.io - www.twitter.com/kostja_osipov

  reply	other threads:[~2019-02-22 18:37 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-22 15:42 [PATCH v3 0/7] box: introduce hint option for memtx tree index Kirill Shcherbatov
2019-02-22 15:42 ` [PATCH v3 1/7] memtx: introduce universal iterator_pool Kirill Shcherbatov
2019-02-22 18:37   ` Konstantin Osipov [this message]
2019-02-23 12:03     ` [tarantool-patches] " Kirill Shcherbatov
2019-02-25 16:14       ` Vladimir Davydov
2019-02-25 16:39         ` [tarantool-patches] " Kirill Shcherbatov
2019-02-25 17:14           ` Vladimir Davydov
2019-02-24  6:56     ` [tarantool-patches] " Vladimir Davydov
2019-02-24 17:15       ` Konstantin Osipov
2019-02-24 18:22         ` Vladimir Davydov
2019-02-25 16:46           ` [tarantool-patches] " Konstantin Osipov
2019-02-25 17:15             ` Vladimir Davydov
2019-02-22 15:42 ` [PATCH v3 2/7] lib: fix undef _api_name in bps_tree header Kirill Shcherbatov
2019-02-22 18:37   ` [tarantool-patches] " Konstantin Osipov
2019-02-25 15:32   ` Vladimir Davydov
2019-02-22 15:42 ` [PATCH v3 3/7] lib: introduce BPS_TREE_IDENTICAL custom comparator Kirill Shcherbatov
2019-02-25 15:33   ` Vladimir Davydov
2019-02-22 15:42 ` [PATCH v3 4/7] memtx: hide index implementation details from header Kirill Shcherbatov
2019-02-22 18:40   ` [tarantool-patches] " Konstantin Osipov
2019-02-25 15:33   ` Vladimir Davydov
2019-02-22 15:42 ` [PATCH v3 5/7] memtx: rework memtx_tree to store arbitrary nodes Kirill Shcherbatov
2019-02-25 16:57   ` Vladimir Davydov
2019-02-26 12:10     ` [tarantool-patches] " Kirill Shcherbatov
2019-02-22 15:42 ` [PATCH v3 6/7] memtx: rename memtx_tree.c to memtx_tree_impl.h Kirill Shcherbatov
2019-02-22 15:42 ` [PATCH v3 7/7] memtx: introduce tuple compare hint Kirill Shcherbatov
2019-02-25 17:44   ` Vladimir Davydov
2019-02-26 12:10     ` [tarantool-patches] " Kirill Shcherbatov

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