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Date: Mon, 27 Apr 2020 18:20:55 +0300
From: Konstantin Osipov <kostja.osipov@gmail.com>
Message-ID: <20200427152055.GA2279@atlas>
References: <d0cf930d7a2dcbeb5e0abac0fd19f524b037e1d5.1585665298.git.korablev@tarantool.org>
 <3f1e18cc-cc18-b586-825b-3e4e3a9c8e3f@tarantool.org>
 <20200427121701.GA30870@tarantool.org>
 <20200427123936.GA24638@atlas>
 <20200427151854.GE30870@tarantool.org>
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In-Reply-To: <20200427151854.GE30870@tarantool.org>
Subject: Re: [Tarantool-patches] [PATCH] vinyl: unthrottle scheduler on
	checkpoint
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To: Nikita Pettik <korablev@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org, Vladislav Shpilevoy <v.shpilevoy@tarantool.org>

* Nikita Pettik <korablev@tarantool.org> [20/04/27 18:20]:
> > > Checkpoint daemon uses directly box.snapshot(), so now we can't tell
> > > whether checkpoint is launched manually or automatically. To differ
> > > these scenarious we can make checkpoint daemon call sort of
> > > box.__scheduled_snapshot() (which won't be part of public API ofc).
> > > Then we will be able to pass boolean parameter to begin_checkpoint()
> > > indicating manual/auto mode. Or simply close issue as wont fix :)
> > 
> > Uhm, no, checkpoint daemon uses gc_do_checkpoint() and it doesn't
> > use box.snapshot().
> 
> Seems we are looking at different branches: 1.10 still uses checkpoint
> daemon written in Lua. If this patch should be pushed to master branch
> only, then I guess it would be easy to patch engine_begin_checkpoint()
> and make it accept argument responsible for checkpoint mode (scheduled
> or manual).

Why do you need to fix 1.10?

-- 
Konstantin Osipov, Moscow, Russia
https://scylladb.com