Module: check_mk Branch: master Commit: 14f2778502791022137536905ed03a0de6f4ad7f URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=14f27785027910… Author: Mathias Kettner &lt;mk(a)mathias-kettner.de&gt; Date: Wed May 14 10:53:04 2014 +0200 Updated werk description --- .werks/970 | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/.werks/970 b/.werks/970 index 0dd6b6f..a6d68c6 100644 --- a/.werks/970 +++ b/.werks/970 @@ -9,17 +9,18 @@ When you are using the Livestatus Proxy Daemon for connecting lots of sites and you have lots of concurrent users then two things could happen: -1. You might run out of files. The reason is that per default on most -Linux systems the number of files a process is allowed to keep open -is limited to 1024. The can be increased by using <tt>/etc/security/limits.conf</tt>. -The script launching the <tt>liveproxyd</tt> need to issue a <tt>ulimit -S -n unlimited</tt> -before starting. In the OMD builds of the Check_MK Monitoring System this -has been added for recent development builds. The <tt>liveproxyd</tt> now handles -this situation better and does not long run into a busy CPU loop. It waits for -5 seconds and restarts itself instead. +1. You might run out of allowed open files. The reason is that +per default on most Linux systems the number of files a process is +allowed to keep open is limited to 1024. The can be increased by changing +<tt>/etc/security/limits.conf</tt> and issue a <tt>ulimit -S -n unlimited</tt> +before starting <tt>liveproxyd</tt>. That latter one has now ben implemented +in the recent development OMD builds of the Check_MK Monitoring System. The +<tt>liveproxyd</tt> now also handles the out-of-files error situation +better and does not long run into a busy CPU loop. It waits for 5 seconds +and restarts itself instead. -2. Even if you increased the number of allowed open files the <tt>liveproxyd</tt> -could never open more than 1024 files on most Python versions (due to a limit of -the system call <tt>select()</tt>. This has been fixed by using the <tt>poll()</tt> -system call. +2. Even if you increased the number of allowed open files, the +<tt>liveproxyd</tt> could never handle more than 1024 open files on most +Python versions (due to a limit of the system call <tt>select()</tt>. This +has been fixed by using the <tt>poll()</tt> system call.