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

Tamas Bagyal bagyi at mail.fmkorhaz.hu
Mon Mar 10 17:17:01 UTC 2008 

Rich Megginson wrote:
> Tamas Bagyal wrote:
>> 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?
> I'm not sure.  The output is truncated, and valgrind is producing a lot 
> of spurious errors, or at least errors not in directory server code.  I 
> guess pastebin is not going to like a several hundred thousand byte 
> output file - is there somewhere else you can post the entire output?
>>

sorry, i not verified after the paste.
but i hope you access the output here: http://keef.uw.hu/valgrind-fds-test.28385

KeeF

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