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From: Vladimir Davydov <vdavydov.dev@gmail.com>
To: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
Cc: tarantool-patches@freelists.org
Subject: Re: [PATCH v2 1/4] iproto: fix error with input discarding
Date: Tue, 24 Apr 2018 18:35:59 +0300	[thread overview]
Message-ID: <20180424153559.7yivt4gmjzmb4z4l@esperanza> (raw)
In-Reply-To: <4557a526b2dca93a82749a50475338dd7990af6f.1524502856.git.v.shpilevoy@tarantool.org>

On Mon, Apr 23, 2018 at 08:05:01PM +0300, Vladislav Shpilevoy wrote:
> Long-polling request has a feature allowing to discard an input
> buffer in a connection before the main request is finished.
> 
> Before the patch discard just calls iproto_resume() trying to
> notify libev, that is can get new data. But is makes no sense,
> because iproto_resume() continues only connections stopped due
> to reached limit of maximal requests in fly, but not connections
> whose buffer is overflowed. Such stopped connections can be
> continued only after a request is complete.
> 
> To continue read from the connection whose buffer was freed by
> discarding long-poll it is necessary to explicitly feed to it
> EV_READ event. On this event iproto_connection_on_input will read
> a blocked data if it exists.
> ---
>  src/box/iproto.cc               |   5 +-
>  test/box/request_limit.result   | 122 ++++++++++++++++++++++++++++++++++++++++
>  test/box/request_limit.test.lua |  70 +++++++++++++++++++++++
>  3 files changed, 195 insertions(+), 2 deletions(-)
>  create mode 100644 test/box/request_limit.result
>  create mode 100644 test/box/request_limit.test.lua

Ack

  reply	other threads:[~2018-04-24 15:35 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-23 17:05 [PATCH v2 0/4] IProto fixes and iproto_msg_max option Vladislav Shpilevoy
2018-04-23 17:05 ` [PATCH v2 1/4] iproto: fix error with input discarding Vladislav Shpilevoy
2018-04-24 15:35   ` Vladimir Davydov [this message]
2018-04-23 17:05 ` [PATCH v2 2/4] iproto: fix error with unstoppable batching Vladislav Shpilevoy
2018-04-24 15:36   ` Vladimir Davydov
2018-04-23 17:05 ` [PATCH v2 3/4] iproto: allow to configure IPROTO_MSG_MAX Vladislav Shpilevoy
2018-04-23 17:05 ` [PATCH v2 4/4] Allow to configure TX fiber pool size Vladislav Shpilevoy
2018-04-24 15:43   ` Vladimir Davydov
2018-04-24 17:33     ` [tarantool-patches] " Vladislav Shpilevoy

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