[Fedora-directory-users] notes on building fds in etch and a failed build question

Tamas Bagyal bagyi at mail.fmkorhaz.hu
Mon Mar 10 16:20:22 UTC 2008


Tamas Bagyal wrote:
> Rich Megginson wrote:
>> Tamas Bagyal wrote:
>>> Rich Megginson wrote:
>>>> Bagyal Tamas wrote:
>>>>> Rich Megginson wrote:
>>>>>> Tamas Bagyal wrote:
>>>>>>> hello Ryan,
>>>>>>>
>>>>>>> you tried this version? i have two fedora-ds 1.0.4 in mmr 
>>>>>>> configuration. i migrate one of those to 1.1 (builded by your and 
>>>>>>> Rich's instrutctions). but i have a problem with memory usage of 
>>>>>>> ns-slapd process. initially mem usage is 18.5% but after 2 hours 
>>>>>>> this changed to 23.1% and growed until killed by kernel. (i 
>>>>>>> think...)
>>>>>>>
>>>>>>> mostly read transactions happen (dns) with a few write (cups).
>>>>>>> this is a debian etch, mem size is 512 mbyte (i know this is too 
>>>>>>> low, but this is a test environment). cache size of slapd is 
>>>>>>> 67108864.
>>>>>> Are you using SSL?  Anything interesting in your server error log?
>>>>>
>>>>> I running the setupssl2.sh but not use any ssl connection. error 
>>>>> log shows nothing, only the server start.
>>>> The reason I ask is that older versions of the NSS crypto/SSL 
>>>> libraries had a memory leak.  NSS 3.11.7 does not have this 
>>>> problem.  But you would only see the problem if you were using SSL 
>>>> connections.
>>>
>>> ok. I tried again from begining. fresh install, no ssl, no migration, 
>>> used the setup-ds-admi.pl and setup the mmr with a fedora-ds 1.0.4. 
>>> but nothing changed, memory usage growing...
>>> All setting is default except the mmr/changelog and access.log is off.
>>>
>>> errors:
>>>
>>>  Fedora-Directory/1.1.0 B2008.059.1017
>>>         tower.fmintra.hu:389 (/opt/dirsrv/etc/dirsrv/slapd-tower)
>>>
>>>
>>> [05/Mar/2008:10:19:20 +0100] - dblayer_instance_start: pagesize: 
>>> 4096, pages: 128798, procpages: 5983
>>> [05/Mar/2008:10:19:20 +0100] - cache autosizing: import cache: 204800k
>>> [05/Mar/2008:10:19:21 +0100] - li_import_cache_autosize: 50, 
>>> import_pages: 51200, pagesize: 4096
>>> [05/Mar/2008:10:19:21 +0100] - WARNING: Import is running with 
>>> nsslapd-db-private-import-mem on; No other process is allowed to 
>>> access the database
>>> [05/Mar/2008:10:19:21 +0100] - dblayer_instance_start: pagesize: 
>>> 4096, pages: 128798, procpages: 5983
>>> [05/Mar/2008:10:19:21 +0100] - cache autosizing: import cache: 204800k
>>> [05/Mar/2008:10:19:21 +0100] - li_import_cache_autosize: 50, 
>>> import_pages: 51200, pagesize: 4096
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Beginning import job...
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Index buffering 
>>> enabled with bucket size 100
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Processing file 
>>> "/tmp/ldifZHth0D.ldif"
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Finished scanning 
>>> file "/tmp/ldifZHth0D.ldif" (9 entries)
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Workers finished; 
>>> cleaning up...
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Workers cleaned up.
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Cleaning up producer 
>>> thread...
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Indexing complete. 
>>> Post-processing...
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Flushing caches...
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Closing files...
>>> [05/Mar/2008:10:19:21 +0100] - All database threads now stopped
>>> [05/Mar/2008:10:19:21 +0100] - import userRoot: Import complete.  
>>> Processed 9 entries in 0 seconds. (inf entries/sec)
>>> [05/Mar/2008:10:19:22 +0100] - Fedora-Directory/1.1.0 B2008.059.1017 
>>> starting up
>>> [05/Mar/2008:10:19:22 +0100] - I'm resizing my cache now...cache was 
>>> 209715200 and is now 8000000
>>> [05/Mar/2008:10:19:22 +0100] - slapd started.  Listening on All 
>>> Interfaces port 389 for LDAP requests
>>> [05/Mar/2008:10:22:23 +0100] NSMMReplicationPlugin - changelog 
>>> program - cl5Open: failed to open changelog
>>> [05/Mar/2008:10:22:24 +0100] NSMMReplicationPlugin - changelog 
>>> program - changelog5_config_add: failed to start changelog
>>> [05/Mar/2008:10:26:49 +0100] NSMMReplicationPlugin - agmt="cn=replica 
>>> to backup" (backup:389): Replica has a different generation ID than 
>>> the local data.
>>> [05/Mar/2008:10:32:00 +0100] NSMMReplicationPlugin - 
>>> repl_set_mtn_referrals: could not set referrals for replica 
>>> dc=fmintra,dc=hu: 32
>>> [05/Mar/2008:10:32:00 +0100] NSMMReplicationPlugin - 
>>> multimaster_be_state_change: replica dc=fmintra,dc=hu is going 
>>> offline; disabling replication
>>> [05/Mar/2008:10:32:00 +0100] - WARNING: Import is running with 
>>> nsslapd-db-private-import-mem on; No other process is allowed to 
>>> access the database
>>> [05/Mar/2008:10:32:13 +0100] - import userRoot: Workers finished; 
>>> cleaning up...
>>> [05/Mar/2008:10:32:13 +0100] - import userRoot: Workers cleaned up.
>>> [05/Mar/2008:10:32:13 +0100] - import userRoot: Indexing complete. 
>>> Post-processing...
>>> [05/Mar/2008:10:32:13 +0100] - import userRoot: Flushing caches...
>>> [05/Mar/2008:10:32:13 +0100] - import userRoot: Closing files...
>>> [05/Mar/2008:10:32:14 +0100] - import userRoot: Import complete.  
>>> Processed 12242 entries in 13 seconds. (941.69 entries/sec)
>>> [05/Mar/2008:10:32:14 +0100] NSMMReplicationPlugin - 
>>> multimaster_be_state_change: replica dc=fmintra,dc=hu is coming 
>>> online; enabling replication
>>>
>>> memory usage by top:
>>>
>>> top - 10:58:21 up 25 days, 22:36,  2 users,  load average: 0.01, 
>>> 0.13, 0.22
>>> Tasks:  61 total,   2 running,  59 sleeping,   0 stopped,   0 zombie
>>> Cpu(s):  0.0%us,  0.0%sy,  0.0%ni,100.0%id,  0.0%wa,  0.0%hi,  
>>> 0.0%si,  0.0%st
>>> Mem:    515192k total,   189600k used,   325592k free,    36472k buffers
>>> Swap:   489848k total,    18292k used,   471556k free,   106188k cached
>>>
>>>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>> 27647 fds       15   0  464m  47m  25m S  0.0  9.4   1:34.57 ns-slapd
>>>
>>>
>>> top - 11:23:12 up 25 days, 23:01,  2 users,  load average: 0.36, 
>>> 0.27, 0.20
>>> Tasks:  61 total,   2 running,  59 sleeping,   0 stopped,   0 zombie
>>> Cpu(s):  3.0%us,  0.0%sy,  0.0%ni, 96.0%id,  1.0%wa,  0.0%hi,  
>>> 0.0%si,  0.0%st
>>> Mem:    515192k total,   210700k used,   304492k free,    36488k buffers
>>> Swap:   489848k total,    18288k used,   471560k free,   117204k cached
>>>
>>>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>> 27647 fds       15   0  473m  59m  28m S  3.0 11.9   2:52.77 ns-slapd
>>>
>>>
>>> top - 11:48:26 up 25 days, 23:26,  2 users,  load average: 0.02, 
>>> 0.08, 0.10
>>> Tasks:  61 total,   1 running,  60 sleeping,   0 stopped,   0 zombie
>>> Cpu(s):  3.0%us,  0.0%sy,  0.0%ni, 97.0%id,  0.0%wa,  0.0%hi,  
>>> 0.0%si,  0.0%st
>>> Mem:    515192k total,   222756k used,   292436k free,    36520k buffers
>>> Swap:   489848k total,    18288k used,   471560k free,   118932k cached
>>>
>>>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>> 27647 fds       15   0  483m  72m  30m S  0.0 14.4   4:12.04 ns-slapd
>>>
>>>
>>> top - 13:31:42 up 26 days,  1:09,  2 users,  load average: 0.28, 
>>> 0.17, 0.15
>>> Tasks:  61 total,   2 running,  59 sleeping,   0 stopped,   0 zombie
>>> Cpu(s):  1.1%us,  0.0%sy,  0.0%ni, 98.9%id,  0.0%wa,  0.0%hi,  
>>> 0.0%si,  0.0%st
>>> Mem:    515192k total,   285572k used,   229620k free,    36540k buffers
>>> Swap:   489848k total,    18288k used,   471560k free,   140412k cached
>>>
>>>   PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>>> 27647 fds       15   0  523m 116m  34m S  0.0 23.3   9:35.65 ns-slapd
> 
>> Can you post your dse.ldif to pastebin.com?  Be sure to omit or 
>> obscure any sensitive data first.  I'd like to see what all of your 
>> cache settings are.  Normally the server will increase in memory usage 
>> until the caches are full, then memory usage should level off.  The 
>> speed at which this occurs depends on usage.
>>
> http://www.pastebin.org/22477
> 
> i forget a thing. i use some custom schema (ldapdns, ibm... etc.) if 
> this is changed anything. (but i think this is not relevant info)
> 
>> When the kernel kills your server, how much memory is it using?  Is 
>> there anything in the server error log at around the time the kernel 
>> kills it?
>>
> i'm not sure, but at the time use the maximum as possible (512ram + 512 
> swap available) i think around 940mb, the kernel first kill some other 
> processes, like mc, and after these the ns-slapd. I can't see anything 
> in the log file, just the server start.
> 
>> Finally, if you are convinced that there is a real memory leak in the 
>> server, would it be possible for you to run it under valgrind?  Just 
>> running it under valgrind for 30 minutes or so should reveal any 
>> memory leaks in normal usage.
> 
> http://www.pastebin.org/22484
> 
> I can't understand this output, I never used valgrind before. I hope 
> used the right options for valgrind.
> 

can you tell me what mean the valgrind's output?

thanks,

KEeF





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