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| 14 | <H1>[IRCServices Coding] A bit more on FD limits (not strictly services-related)</H1> | |
| 15 | <B>Martin Pels</B> | |
| 16 | <A HREF="mailto:ircservices-coding%40ircservices.za.net?Subject=%5BIRCServices%20Coding%5D%20A%20bit%20more%20on%20FD%20limits%20%28not%20strictly%20services-related%29&In-Reply-To=" | |
| 17 | TITLE="[IRCServices Coding] A bit more on FD limits (not strictly services-related)">martinpels at hotmail.com | |
| 18 | </A><BR> | |
| 19 | <I>Wed Jun 5 04:57:15 PDT 2002</I> | |
| 20 | <P><UL> | |
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| 32 | <HR> | |
| 33 | <!--beginarticle--> | |
| 34 | <PRE>I restarted services with httpd disabled, to see if that helps. but the | |
| 35 | problem persists :-( | |
| 36 | ||
| 37 | /proc/sys/fs/file-nr gives me 1864 136 4096 | |
| 38 | so only 136 in use... | |
| 39 | ||
| 40 | I did notice this in the log when restarting Services: | |
| 41 | ||
| 42 | [Jun 05 13:25:12 2002] IRC Services 5.0pre1 starting up | |
| 43 | [Jun 05 13:25:13 2002] sockets: [v]sockprintf() with NULL socket! | |
| 44 | ||
| 45 | ----- Original Message ----- | |
| 46 | From: "Russell Garrett" <<A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices-coding">rg at tcslon.com</A>> | |
| 47 | To: <<A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices-coding">ircservices-coding at ircservices.za.net</A>> | |
| 48 | Sent: Wednesday, June 05, 2002 1:39 PM | |
| 49 | Subject: [IRCServices Coding] A bit more on FD limits (not strictly | |
| 50 | services-related) | |
| 51 | ||
| 52 | ||
| 53 | ><i> OK, I've done a touch more research on this, the Linux default is | |
| 54 | </I>><i> maximum 1024 FDs per process, and 4096 in total. A `cat | |
| 55 | </I>><i> /proc/sys/fs/file-nr` will tell you the number of open FDs, the | |
| 56 | </I>><i> number in use, and the maximum limit. | |
| 57 | </I>><i> | |
| 58 | </I>><i> To increase the maximum number of FDs to 65536 (for a 2.2 kernel - I | |
| 59 | </I>><i> think 2.4 is the same): | |
| 60 | </I>><i> | |
| 61 | </I>><i> 1. In /usr/include/bits/types.h change the "#define __FD_SETZISE | |
| 62 | </I>><i> 1024" to "#define __FD_SETSIZE 65536" | |
| 63 | </I>><i> 2. Do the same in /usr/include/linux/posix_types.h | |
| 64 | </I>><i> 3. Recompile your kernel | |
| 65 | </I>><i> | |
| 66 | </I>><i> The following steps need to be performed every time you start the | |
| 67 | </I>><i> FD-hungry application, or in your init scripts: | |
| 68 | </I>><i> | |
| 69 | </I>><i> 4. echo "65536" > /proc/sys/fs/file_max | |
| 70 | </I>><i> 5. echo "196608" > /proc/sys/fs/inode_max | |
| 71 | </I>><i> 6. ulimit -HSn 65536 | |
| 72 | </I>><i> | |
| 73 | </I>><i> Russ Garrett | |
| 74 | </I>><i> <A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices-coding">russ at garrett.co.uk</A> | |
| 75 | </I>><i> www.faereal.net | |
| 76 | </I>><i> | |
| 77 | </I>><i> ------------------------------------------------------------------ | |
| 78 | </I>><i> To unsubscribe or change your subscription options, visit: | |
| 79 | </I>><i> <A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices-coding">http://www.ircservices.za.net/mailman/listinfo/ircservices-coding</A> | |
| 80 | </I>><i> | |
| 81 | </I> | |
| 82 | </PRE> | |
| 83 | ||
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