From: | Kyotaro HORIGUCHI <horiguchi(dot)kyotaro(at)lab(dot)ntt(dot)co(dot)jp> |
---|---|
To: | nagaura(dot)ryohei(at)jp(dot)fujitsu(dot)com |
Cc: | k(dot)jamison(at)jp(dot)fujitsu(dot)com, tsunakawa(dot)takay(at)jp(dot)fujitsu(dot)com, coelho(at)cri(dot)ensmp(dot)fr, robertmhaas(at)gmail(dot)com, MikalaiKeida(at)ibagroup(dot)eu, AYahorau(at)ibagroup(dot)eu, michael(at)paquier(dot)xyz, pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Timeout parameters |
Date: | 2019-03-29 07:44:21 |
Message-ID: | 20190329.164421.193524577.horiguchi.kyotaro@lab.ntt.co.jp |
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Thread: | |
Lists: | pgsql-hackers |
Hi, thank you for the new version.
This compiles on Windows. (I didn't comfirmed that it works
correctly..)
# ȁ (I inserted this garbage to force my mailer to send in utf-8).
At Fri, 29 Mar 2019 06:52:41 +0000, "Nagaura, Ryohei" <nagaura(dot)ryohei(at)jp(dot)fujitsu(dot)com> wrote in <EDA4195584F5064680D8130B1CA91C4540F81D(at)G01JPEXMBYT04>
> Hi all.
>
> I found my mistake in backend patch.
>
> I modified from
> + port->keepalives_count = count;
> to
> + port->tcp_user_timeout = timeout;
> in line 113.
I hadn't noticed^^;
It look good, but still I have some comments.
+ Specifies the number of milliseconds that transmitted data may
+ remain unacknowledged before a connection is forcefully closed.
Hmm. "forcefully" means powerful or assertive, in Japanese "力強く
" or "強硬に". "forcibly" means acoomplished through force, in
Japanesee "無理やり" or "強引に". Actually the latter is used in
man 7 tcp.
http://man7.org/linux/man-pages/man7/tcp.7.html
> time in milliseconds that transmitted data may remain
> unacknowledged before TCP will forcibly close the
> corresponding connection and return ETIMEDOUT to the
+#tcp_user_timeout = 0 # TCP_USER_TIMEOUT, in milliseconds;
The comment protrudes left.
+# - TCP USER TIMEOUT -
Just above in the sample file, there are lines like this:
> # - TCP Keepalives -
> # see "man 7 tcp" for details
>
> #tcp_keepalives_idle = 0 # TCP_KEEPIDLE, in seconds;
Couldn't we have the new variable in the section, like this?
-# - TCP Keepalives -
+# - TCP timeout settings -
# see "man 7 tcp" for details
..
#tcp_keepalives_count = 0 # TCP_KEEPCNT;
# 0 selects the system default
+#tcp_user_timeout = 0 # TCP_USER_TIMEOUT, in milliseconds;
# 0 selects the system default
regars.
--
Kyotaro Horiguchi
NTT Open Source Software Center
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