From: Cyrill Gorcunov via Tarantool-patches <tarantool-patches@dev.tarantool.org>
To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Cc: tml <tarantool-patches@dev.tarantool.org>
Subject: Re: [Tarantool-patches] [PATCH v12 4/8] module_cache: direct update a cache value on reload
Date: Mon, 25 Jan 2021 01:26:31 +0300 [thread overview]
Message-ID: <20210124222631.GC2174@grain> (raw)
In-Reply-To: <9a2214b5-02e4-0c7f-dba4-7afaf51082f1@tarantool.org>
On Sun, Jan 24, 2021 at 05:27:18PM +0100, Vladislav Shpilevoy wrote:
> Thanks for the patch!
>
> On 19.01.2021 13:46, Cyrill Gorcunov wrote:
> > On Mon, Jan 18, 2021 at 11:35:52PM +0300, Cyrill Gorcunov wrote:
> >> Currently when we reload modules we remove old instance
> >> from the module cache and then try to insert a new one
> >> back. Note that module cache is a string based hash table:
> >> we lookup for a pointer to the module via package name.
> >
> > This approach doesn't work.
>
> Why?
False alarm, it does work. I fear due to shadow copy it won't
be consistent but looking more precisely to mhash code I think
it should be safe to update the pointer inplace without modifying
the hash table. I still think our hashing code is just unreadable
pile but whatever...
next prev parent reply other threads:[~2021-01-24 22:26 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-18 20:35 [Tarantool-patches] [PATCH v12 0/8] box: implement cmod Lua module Cyrill Gorcunov via Tarantool-patches
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 1/8] box/func: factor out c function entry structure Cyrill Gorcunov via Tarantool-patches
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 2/8] module_cache: move module handling into own subsystem Cyrill Gorcunov via Tarantool-patches
2021-01-24 16:26 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-25 8:52 ` Cyrill Gorcunov via Tarantool-patches
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 3/8] module_cache: improve naming Cyrill Gorcunov via Tarantool-patches
2021-01-24 16:27 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-24 22:32 ` Cyrill Gorcunov via Tarantool-patches
2021-01-30 18:53 ` Vladislav Shpilevoy via Tarantool-patches
2021-02-01 11:41 ` Cyrill Gorcunov via Tarantool-patches
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 4/8] module_cache: direct update a cache value on reload Cyrill Gorcunov via Tarantool-patches
2021-01-19 12:46 ` Cyrill Gorcunov via Tarantool-patches
2021-01-24 16:27 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-24 22:26 ` Cyrill Gorcunov via Tarantool-patches [this message]
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 5/8] module_cache: rename calls to ref in module structure Cyrill Gorcunov via Tarantool-patches
2021-01-24 16:27 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-25 10:29 ` Cyrill Gorcunov via Tarantool-patches
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 6/8] module_cache: provide helpers to load and unload modules Cyrill Gorcunov via Tarantool-patches
2021-01-24 16:28 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 7/8] box/cmod: implement cmod Lua module Cyrill Gorcunov via Tarantool-patches
2021-01-24 16:28 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-25 16:50 ` Cyrill Gorcunov via Tarantool-patches
2021-01-30 18:53 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-18 20:35 ` [Tarantool-patches] [PATCH v12 8/8] test: box/cfunc -- add cmod test Cyrill Gorcunov via Tarantool-patches
2021-01-24 16:28 ` Vladislav Shpilevoy via Tarantool-patches
2021-01-24 16:26 ` [Tarantool-patches] [PATCH v12 0/8] box: implement cmod Lua module Vladislav Shpilevoy via Tarantool-patches
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