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From: "Maciej Żenczykowski" <zenczykowski@gmail.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>,
	Lorenzo Colitti <lorenzo@google.com>,
	hannes@stressinduktion.org, stephen@networkplumber.org,
	Linux NetDev <netdev@vger.kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	ek@google.com, dtor@google.com
Subject: Re: Add a SOCK_DESTROY operation to close sockets from userspace
Date: Thu, 19 Nov 2015 16:12:25 -0800	[thread overview]
Message-ID: <CAHo-Oozuw3szyZU_CqTph76bQfVgtppFgKCdRJ8GfHeG-zuuSQ@mail.gmail.com> (raw)
In-Reply-To: <1447949964.22599.220.camel@edumazet-glaptop2.roam.corp.google.com>

> Having comments like "look, just implement application keepalives" is
> not going to work [1][2]. This is terrible, and show lack of
> understanding of the problem. We are not dealing with DC communications
> here. (I wish !)

There's a 3rd reason: keepalives (tcp or application) are actually
undesirable because they burn through your battery.

It's far better to do keepalives on one dedicated connection and kill
all the other non keepalive connections
if you determine via that one that the network is bad (or if you have
some other signals about network badness).

  parent reply	other threads:[~2015-11-20  0:12 UTC|newest]

Thread overview: 110+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-18  1:43 Add a SOCK_DESTROY operation to close sockets from userspace Lorenzo Colitti
2015-11-18  1:43 ` [PATCH 1/4] net: diag: split inet_diag_dump_one_icsk into two Lorenzo Colitti
2015-11-18  1:43 ` [PATCH 2/4] net: diag: Add the ability to destroy a socket from userspace Lorenzo Colitti
2015-11-18  1:43 ` [PATCH 3/4] net: diag: Support SOCK_DESTROY for inet sockets Lorenzo Colitti
2015-11-18  1:43 ` [PATCH 4/4] net: diag: Support destroying TCP sockets Lorenzo Colitti
2015-11-18  3:43   ` kbuild test robot
2015-11-18  4:46     ` Lorenzo Colitti
2015-11-18  4:25   ` kbuild test robot
2015-11-18  3:27 ` Add a SOCK_DESTROY operation to close sockets from userspace Stephen Hemminger
     [not found]   ` <CAAedzxqiXnKzCyevNipNnXEc_+TEjnVphLfseTo4ykZ8SAVt_w@mail.gmail.com>
2015-11-18  3:36     ` Erik Kline
2015-11-18  3:57   ` Maciej Żenczykowski
2015-11-18 11:56     ` David Laight
2015-11-18  4:04   ` Eric Dumazet
2015-11-18 10:19     ` Hannes Frederic Sowa
2015-11-18 10:47       ` Lorenzo Colitti
2015-11-18 11:19         ` Hannes Frederic Sowa
2015-11-18 12:54           ` Eric Dumazet
2015-11-18 13:04           ` Lorenzo Colitti
2015-11-18 13:31             ` Hannes Frederic Sowa
2015-11-18 14:45               ` Lorenzo Colitti
2015-11-18 14:56                 ` Hannes Frederic Sowa
2015-11-18 15:16                   ` Eric Dumazet
2015-11-18 15:32                     ` Hannes Frederic Sowa
2015-11-18 15:33                       ` Hannes Frederic Sowa
2015-11-18 20:35         ` David Miller
2015-11-18 20:43           ` Hannes Frederic Sowa
2015-11-19  3:49             ` David Miller
2015-11-19  5:12               ` Tom Herbert
2015-11-19 15:54                 ` Hannes Frederic Sowa
2015-11-19 23:54                   ` Maciej Żenczykowski
2015-11-19  5:13               ` Lorenzo Colitti
2015-11-19  5:53                 ` David Miller
2015-11-19  7:19                   ` Maciej Żenczykowski
2015-11-19 15:48                     ` David Miller
2015-11-19 16:19                       ` Eric Dumazet
2015-11-19 16:33                         ` David Miller
2015-11-19 16:43                           ` Eric Dumazet
2015-11-19 16:50                             ` David Miller
2015-11-19 16:47                           ` Eric Dumazet
2015-11-19 17:02                             ` David Miller
2015-11-19 17:44                               ` Eric Dumazet
2015-11-19 22:55                           ` Lorenzo Colitti
2015-11-19 17:08                         ` Hannes Frederic Sowa
2015-11-19 17:38                           ` Tom Herbert
2015-11-19 18:09                             ` David Miller
2015-11-19 18:27                               ` Hannes Frederic Sowa
2015-11-19 23:02                                 ` Hannes Frederic Sowa
2015-11-19 23:47                                   ` Lorenzo Colitti
2015-11-19 22:33                             ` Lorenzo Colitti
2015-11-19 22:38                               ` Hannes Frederic Sowa
2015-11-19 23:24                                 ` Tom Herbert
2015-11-19 21:29                         ` Tom Herbert
2015-11-19 21:41                           ` Eric Dumazet
2015-11-19 21:53                             ` Hannes Frederic Sowa
2015-11-19 22:04                               ` Eric Dumazet
2015-11-19 22:09                                 ` Hannes Frederic Sowa
2015-11-19 22:15                                   ` Eric Dumazet
2015-11-19 22:31                                     ` Hannes Frederic Sowa
2015-11-19 22:36                                       ` Eric Dumazet
2015-11-19 21:53                             ` Tom Herbert
2015-11-19 22:07                               ` Eric Dumazet
2015-11-19 22:14                                 ` Tom Herbert
2015-11-19 22:33                                   ` Eric Dumazet
2015-11-20  0:04                                     ` Tom Herbert
2015-11-20  0:09                                       ` Lorenzo Colitti
2015-11-20  0:15                                         ` Tom Herbert
2015-11-20  2:25                                           ` Maciej Żenczykowski
2015-12-01  2:32                                             ` Lorenzo Colitti
2015-12-01  2:32                                               ` [PATCH v3 1/4] net: diag: split inet_diag_dump_one_icsk into two Lorenzo Colitti
2015-12-01  2:32                                               ` [PATCH v3 2/4] net: diag: Add the ability to destroy a socket from userspace Lorenzo Colitti
2015-12-01  2:32                                               ` [PATCH v3 3/4] net: diag: Support SOCK_DESTROY for inet sockets Lorenzo Colitti
2015-12-01  2:32                                               ` [PATCH v3 4/4] net: diag: Support destroying TCP sockets Lorenzo Colitti
2015-12-01  6:23                                                 ` kbuild test robot
2015-12-01  7:12                                                   ` Lorenzo Colitti
2015-12-01  2:53                                               ` Add a SOCK_DESTROY operation to close sockets from userspace Tom Herbert
2015-12-02 15:18                                                 ` Lorenzo Colitti
2015-12-02 16:12                                                   ` Tom Herbert
2015-12-02 16:30                                                     ` Lorenzo Colitti
2015-12-02 17:09                                                       ` Tom Herbert
2015-12-14 17:29                                                     ` Lorenzo Colitti
2015-12-14 17:29                                                       ` [PATCH v5 1/4] net: diag: Add the ability to destroy a socket Lorenzo Colitti
2015-12-14 17:29                                                       ` [PATCH v5 2/4] net: diag: split inet_diag_dump_one_icsk into two Lorenzo Colitti
2015-12-14 17:29                                                       ` [PATCH v5 3/4] net: diag: Support SOCK_DESTROY for inet sockets Lorenzo Colitti
2015-12-14 17:29                                                       ` [PATCH v5 4/4] net: diag: Support destroying TCP sockets Lorenzo Colitti
2015-12-14 17:51                                                         ` kbuild test robot
2015-12-14 17:52                                                         ` Tom Herbert
2015-12-14 18:03                                                         ` Eric Dumazet
2015-12-14 19:37                                                         ` David Miller
2015-12-15 17:17                                                           ` [PATCH v5 4/4] net: diag: Support destroying TCP socketsr Lorenzo Colitti
2015-12-15 17:17                                                             ` [PATCH v6 1/4] net: diag: split inet_diag_dump_one_icsk into two Lorenzo Colitti
2015-12-15 17:44                                                               ` Eric Dumazet
2015-12-15 17:17                                                             ` [PATCH v6 2/4] net: diag: Add the ability to destroy a socket Lorenzo Colitti
2015-12-15 17:44                                                               ` Eric Dumazet
2015-12-15 17:17                                                             ` [PATCH v6 3/4] net: diag: Support SOCK_DESTROY for inet sockets Lorenzo Colitti
2015-12-15 17:45                                                               ` Eric Dumazet
2015-12-15 17:17                                                             ` [PATCH v6 4/4] net: diag: Support destroying TCP sockets Lorenzo Colitti
2015-12-15 17:46                                                               ` Eric Dumazet
2015-12-15 18:36                                                             ` [PATCH v5 4/4] net: diag: Support destroying TCP socketsr Maciej Żenczykowski
2015-12-15 18:46                                                               ` Rustad, Mark D
2015-12-15 18:38                                                             ` David Miller
2015-11-20  0:12                         ` Maciej Żenczykowski [this message]
2015-11-20  0:19                   ` Add a SOCK_DESTROY operation to close sockets from userspace Lorenzo Colitti
2015-11-20  0:55                     ` David Miller
2015-11-20  1:00                       ` Maciej Żenczykowski
2015-11-20  1:55                       ` Lorenzo Colitti
2015-11-20 16:51                         ` David Ahern
2015-11-18  3:56 ` Tom Herbert
2015-11-18  4:23   ` Lorenzo Colitti
2015-11-18  4:31     ` Tom Herbert
2015-11-18 10:12 ` Hannes Frederic Sowa

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