Re: notes on building fds in etch and a failed build question

[Tamas Bagyal <bagyi@xxxxxxxxxxxxxxxx>]

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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