FD leaking on 1.NOVM.10 ?

From: Yoshiaki Kasahara <[email protected]>
Date: Mon, 12 May 1997 12:04:18 +0900

I just started running Squid 1.NOVM.10 on Solaris 2.5 with USE_POLL
defined yesterday.

Now I observed FD status and I felt something weird. There are so
many FDs remain unchanged writing cache files like:

  38 File Writing /export/cache/squid/cache/03/85/00008853
  39 File Writing /export/cache/squid/cache/02/03/00000032
  40 File Writing /export/cache/squid/cache/03/E9/000BDE93
  41 File Writing /export/cache/squid/cache/03/50/000BC503
  42 File Writing /export/cache/squid/cache/07/7C/000B67C7
  43 File Writing /export/cache/squid/cache/0C/3B/000DB3BC
  44 File Writing /export/cache/squid/cache/0D/2E/000522ED
  45 File Writing /export/cache/squid/cache/03/B8/000BDB83
  46 File Writing /export/cache/squid/cache/0E/B0/000A5B0E
  47 File Writing /export/cache/squid/cache/03/4B/000C04B3
  48 File Writing /export/cache/squid/cache/0F/5C/000BB5CF
  49 File Writing /export/cache/squid/cache/0D/77/0005077D
  50 File Writing /export/cache/squid/cache/06/B4/000C0B46
  51 File Writing /export/cache/squid/cache/0A/05/0000005A

(omit)

About 200 out of 450 FDs seems to be stalled. Moreover, I tried to
check the first 5 files and found they were all zero length.

-rw-r--r-- 1 nobody nobody 0 May 11 18:03 02/03/00000032
-rw-r--r-- 1 nobody nobody 0 May 12 05:13 03/50/000BC503
-rw-r--r-- 1 nobody nobody 0 May 11 20:58 03/85/00008853
-rw-r--r-- 1 nobody nobody 0 May 12 00:37 03/E9/000BDE93
-rw-r--r-- 1 nobody nobody 0 May 12 03:57 07/7C/000B67C7

I checked cache/log and found many duplicate entries related to these
files.

% grep -i 00008853 log
00008853 336c76c1 336f9851 33370367 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif

% grep http://www.goo.ne.jp/images/misc.1x10spacer.gif log
00008853 336c76c1 336f9851 33370367 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif
00050dc3 33763428 337955b8 3335b17f 266 http://www.goo.ne.jp/images/misc.1x10spacer.gif

Is it known problem? Is there any workaround? What can I do to help
solving this problem?

Regards,

-- 
Yoshiaki Kasahara
KITE Network Operation Center, Computer Center, Kyushu University
Email addr:                           |  I'm free!   & ~ __-^-_/~
    kasahara@nc.kyushu-u.ac.jp        |               ~   \___/
Received on Sun May 11 1997 - 20:06:38 MDT

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