Re: [BugDB] open/146: consumes HUGE amounts of CPU after having served a request

1999-07-25 Thread Ralf S. Engelschall 

On Fri, Jul 23, 1999, John Hynes wrote:

 I have the same problem on my solaris 2.5.1/apache 1.3.6/modssl
 2.3.5/openssl 0.9.3a.
 
   PID USERNAME THR PRI NICE  SIZE   RES STATE   TIMECPU COMMAND
 19888 nobody 1 -150 3344K 2752K run20:17 97.78% httpd
 20642 nobody 1  350 3200K 2416K sleep   0:00  1.32% httpd
 
 =[1] _lseek(0x4400, 0x4400, 0x0, 0x0, 0x1, 0x1), at 0xef5b74fc
   [2] dbm_access(0x1c8960, 0x11, 0x1a, 0x30, 0x1f, 0x0), at 0xef5cf4ac
   [3] dbm_firsthash(0x1c8960, 0x11, 0x1c8988, 0x0, 0xefffecc8, 0x0), at
 0xef5ceb54
   [4] dbm_do_nextkey(0xc, 0x3c, 0x3c, 0x0, 0x1c8a4f, 0x11), at
 0xef5cf2e4
   [5] dbm_nextkey(0x1c8960, 0xef612f30, 0x0, 0x2, 0x0, 0xefffeddc), at
 0xef5cecec
   [6] ssl_scache_dbm_expire(0x19d338, 0x37973457, 0x0, 0x0, 0x0, 0x0),

For mod_ssl 2.3.7 I've now completely rewritten the ssl_scache_dbm_expire()
function, because it seems that some DBM libraries get crazy when one iterates
over the contents and deleting elements in parallel.  The new function now
uses a two pass approach where this should no longer happen (hopefully ;) When
2.3.7 is released, please upgrade.

   Ralf S. Engelschall
   [EMAIL PROTECTED]
   www.engelschall.com
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Apache Interface to OpenSSL (mod_ssl)   www.modssl.org
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[BugDB] open/146: consumes HUGE amounts of CPU after having served a request

1999-07-23 Thread John Hynes 

I have the same problem on my solaris 2.5.1/apache 1.3.6/modssl
2.3.5/openssl 0.9.3a.

any idea ?

John

  PID USERNAME THR PRI NICE  SIZE   RES STATE   TIMECPU COMMAND
19888 nobody 1 -150 3344K 2752K run20:17 97.78% httpd
20642 nobody 1  350 3200K 2416K sleep   0:00  1.32% httpd

=[1] _lseek(0x4400, 0x4400, 0x0, 0x0, 0x1, 0x1), at 0xef5b74fc
  [2] dbm_access(0x1c8960, 0x11, 0x1a, 0x30, 0x1f, 0x0), at 0xef5cf4ac
  [3] dbm_firsthash(0x1c8960, 0x11, 0x1c8988, 0x0, 0xefffecc8, 0x0), at
0xef5ceb54
  [4] dbm_do_nextkey(0xc, 0x3c, 0x3c, 0x0, 0x1c8a4f, 0x11), at
0xef5cf2e4
  [5] dbm_nextkey(0x1c8960, 0xef612f30, 0x0, 0x2, 0x0, 0xefffeddc), at
0xef5cecec
  [6] ssl_scache_dbm_expire(0x19d338, 0x37973457, 0x0, 0x0, 0x0, 0x0),
at 0x45f60
  [7] ssl_scache_expire(0x19d338, 0x37973457, 0x0, 0x7, 0x8001400, 0x0),
at 0x451ec
  [8] ssl_scache_retrieve(0x19d338, 0x1c1a13, 0x20, 0x1aaf00,
0x9bc2c2a2, 0x0), at 0x44e84
  [9] ssl_callback_GetSessionCacheEntry(0x1b2f00, 0x1c1a13, 0x20,
0xefffefc8, 0x3fcb8, 0xe014), at 0x3fd14
  [10] ssl_get_prev_session(0x1b2f00, 0x1c1a13, 0x20, 0x0, 0x0,
0x1b9110), at 0xd5ea0
  [11] 0xde428(0x5b, 0x1b2f00, 0x1c1a13, 0x20, 0x, 0xffae),
at 0xde427
  [12] ssl3_accept(0x1b2f00, 0x1b2f00, 0x2000, 0x3000, 0x2, 0x2190), at
0xddd40
  [13] ssl23_get_client_hello(0x2000, 0x1b2f00, 0x0, 0x0, 0x0, 0x3), at
0xcfd00
  [14] ssl23_accept(0x4000, 0x1b2f00, 0x2000, 0x2000, 0x1, 0x2210), at
0xcf420
  [15] ssl_hook_NewConnection(0x1b6068, 0xef6fb6e4, 0x1, 0xe32c,
0x4, 0x1a2360), at 0x3bef8
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