From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Eric Leblond <eric@regit.org>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH 09/11] db: add ring buffer for DB query
Date: Sat, 11 May 2013 21:29:22 +0200 [thread overview]
Message-ID: <20130511192922.GA10791@localhost> (raw)
In-Reply-To: <1368168538-29780-10-git-send-email-eric@regit.org>
Hi Eric,
On Fri, May 10, 2013 at 08:48:56AM +0200, Eric Leblond wrote:
> This patch adds an optional ring buffer option which modify
> the way database queries are made. The main thread is only handling
> kernel message reading and query formatting. The SQL request is made
> in a separate dedicated thread.
> The idea is to try to avoid buffer overrun by minimizing the time
> requested to treat kernel message. Doing synchronous SQL request, as
> it was made before was causing a delay which could cause some messages
> to be lost in case of burst from kernel side.
Would be feasible to make asynchronous SQL requests instead, so you
can skip the use of pthread?
Regards.
next prev parent reply other threads:[~2013-05-11 19:29 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-10 6:48 [PATCH RFC 0/11] ulogd2 db rework Eric Leblond
2013-05-10 6:48 ` [PATCH 01/11] ulogd: display stack during configuration Eric Leblond
2013-05-10 6:48 ` [PATCH 02/11] Fix automagic support of dbi, pcap and sqlite3 Eric Leblond
2013-05-10 6:48 ` [PATCH 03/11] postgresql: add sanity checking Eric Leblond
2013-05-10 6:48 ` [PATCH 04/11] mysql: " Eric Leblond
2013-05-10 6:48 ` [PATCH 05/11] sqlite3: " Eric Leblond
2013-05-10 6:48 ` [PATCH 06/11] db: store data in memory during database downtime Eric Leblond
2013-05-10 6:48 ` [PATCH 07/11] db: suppress field in db structure Eric Leblond
2013-05-10 6:48 ` [PATCH 08/11] db: use offset instead of direct pointer Eric Leblond
2013-05-10 6:48 ` [PATCH 09/11] db: add ring buffer for DB query Eric Leblond
2013-05-11 19:29 ` Pablo Neira Ayuso [this message]
2013-05-12 10:29 ` Eric Leblond
2013-05-21 13:38 ` Pablo Neira Ayuso
2013-05-10 6:48 ` [PATCH 10/11] db: disable SIGHUP if ring buffer is used Eric Leblond
2013-05-10 6:48 ` [PATCH 11/11] db: db ring has precedence over backlog Eric Leblond
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