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From: Oleg Babin via Tarantool-patches <tarantool-patches@dev.tarantool.org>
To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>,
	tarantool-patches@dev.tarantool.org,
	yaroslav.dynnikov@tarantool.org
Subject: Re: [Tarantool-patches] [PATCH vshard 01/11] error: introduce vshard.error.timeout()
Date: Thu, 25 Feb 2021 15:42:13 +0300
Message-ID: <cd3ad141-f0ee-624a-2cca-7b14bfb5ef39@tarantool.org> (raw)
In-Reply-To: <0810bac1-dfaf-6db5-fdf0-65e26f243e1e@tarantool.org>

Thanks for your answers, consider my comments below.


On 25.02.2021 00:46, Vladislav Shpilevoy wrote:
> Hi! Thanks for the review!
>
> On 24.02.2021 11:27, Oleg Babin wrote:
>> Hi! Thanks for your patch.
>>
>> Personally, I vote for dropping 1.9 support (it's already broken - #256).
> It kind of works. Just with some spam in the logs. But yeah, I would like
> to finally drop it. I talked to Mons and he approved this:
> https://github.com/tarantool/vshard/issues/267

Good news!

>> But if you want to eliminate "long and ugly" ways you could do something like:
>>
>>
>> ```
>>
>> local make_timeout
>> if box.error.new ~= nil then
>>      make_timeout = function() return box.error.new(box.error.TIMEOUT) end
>> else
>>      make_timeout = function() return select(2, pcall(...)) end
>> end
>>
>> ```
> Which is longer and uglier, right? Where is the win?

Not sure it's important for errors but pcall is a bit slower.


```

local clock = require('clock')

local start = clock.time()
for _ = 1,1e5 do
     pcall(box.error, box.error.TIMEOUT)
end
print(clock.time() - start)

local start = clock.time()
for _ = 1,1e5 do
     box.error.new(box.error.TIMEOUT)
end
print(clock.time() - start)

```

0.22471904754639
0.12087297439575

(on my Mac)


Feel free to ignore. LGTM.


  reply	other threads:[~2021-02-25 12:42 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-23  0:15 [Tarantool-patches] [PATCH vshard 00/11] VShard Map-Reduce, part 2: Ref, Sched, Map Vladislav Shpilevoy via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 01/11] error: introduce vshard.error.timeout() Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-24 21:46     ` Vladislav Shpilevoy via Tarantool-patches
2021-02-25 12:42       ` Oleg Babin via Tarantool-patches [this message]
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 10/11] sched: introduce vshard.storage.sched module Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:28   ` Oleg Babin via Tarantool-patches
2021-02-24 21:50     ` Vladislav Shpilevoy via Tarantool-patches
2021-03-04 21:02   ` Oleg Babin via Tarantool-patches
2021-03-05 22:06     ` Vladislav Shpilevoy via Tarantool-patches
2021-03-09  8:03       ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 11/11] router: introduce map_callrw() Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:28   ` Oleg Babin via Tarantool-patches
2021-02-24 22:04     ` Vladislav Shpilevoy via Tarantool-patches
2021-02-25 12:43       ` Oleg Babin via Tarantool-patches
2021-02-26 23:58         ` Vladislav Shpilevoy via Tarantool-patches
2021-03-01 10:58           ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 02/11] storage: add helper for local functions invocation Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 03/11] storage: cache bucket count Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-24 21:47     ` Vladislav Shpilevoy via Tarantool-patches
2021-02-25 12:42       ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 04/11] registry: module for circular deps resolution Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 05/11] util: introduce safe fiber_cond_wait() Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-24 21:48     ` Vladislav Shpilevoy via Tarantool-patches
2021-02-25 12:42       ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 06/11] util: introduce fiber_is_self_canceled() Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 07/11] storage: introduce bucket_generation_wait() Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 08/11] storage: introduce bucket_are_all_rw() Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:27   ` Oleg Babin via Tarantool-patches
2021-02-24 21:48     ` Vladislav Shpilevoy via Tarantool-patches
2021-02-23  0:15 ` [Tarantool-patches] [PATCH vshard 09/11] ref: introduce vshard.storage.ref module Vladislav Shpilevoy via Tarantool-patches
2021-02-24 10:28   ` Oleg Babin via Tarantool-patches
2021-02-24 21:49     ` Vladislav Shpilevoy via Tarantool-patches
2021-02-25 12:42       ` Oleg Babin via Tarantool-patches
2021-03-04 21:22   ` Oleg Babin via Tarantool-patches
2021-03-05 22:06     ` Vladislav Shpilevoy via Tarantool-patches
2021-03-09  8:03       ` Oleg Babin via Tarantool-patches
2021-03-21 18:49   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-12 23:13 ` [Tarantool-patches] [PATCH vshard 00/11] VShard Map-Reduce, part 2: Ref, Sched, Map Vladislav Shpilevoy via Tarantool-patches
2021-03-15  7:05   ` Oleg Babin via Tarantool-patches
2021-03-28 18:17 ` Vladislav Shpilevoy via Tarantool-patches

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