I'm not aware of a case where a gen_server will stop without calling terminate except if its a hard VM shutdown. Though, I get the feeling that Kocoloski is going to remind me of a case I've seen before and I'll say "Oh duh!" and then move on with my life.
HTH, Paul Davis On Sat, Sep 25, 2010 at 8:35 AM, Robert Dionne <dio...@dionne-associates.com> wrote: > Filipe, > > Won't terminate be called only if the gen_server is stopped for a reason? > > Bob > > > > On Sep 25, 2010, at 7:30 AM, Filipe David Manana wrote: > >> Stephen, >> >> I committed something to trunk ( >> http://svn.apache.org/viewvc?view=revision&revision=1001196 ) that >> might be the cause for your issue. >> Can you test it with trunk? >> >> I was not yet able to reproduce the issue. >> >> cheers >> >> On Wed, Sep 22, 2010 at 2:40 PM, [mRg] <emar...@gmail.com> wrote: >>> Yes I did, issued it a couple of times as I was trying to see if its was >>> some kind of race condition. >>> >>> Have a site due to launch on Friday so have got crazy busy but ill post more >>> info when I have it, unless anyone else can try and help replicate this ? >>> >>> On 20 September 2010 21:42, Paul Davis <paul.joseph.da...@gmail.com> wrote: >>> >>>> Do you issue two compact commands simultaneously or wait for the first >>>> one to complete and then run the second? >>>> >>>> >>>> On Mon, Sep 20, 2010 at 4:07 PM, [mRg] <emar...@gmail.com> wrote: >>>>> Well I can certainly reproduce the issue, but am having trouble finding >>>> the >>>>> exact sequence (annoyingly of course) >>>>> >>>>> 1> I started with a blank VM of Ubuntu 10.10 (ext3) running on virtualbox >>>>> with latest CouchDB (apt-get install couchdb) >>>>> 2> Began adding lots of blank docs .. (curl -X POST -H >>>>> "Content-Type:application/json" http://localhost:5984/test -d {}) >>>>> 3> Created a simple view ("function(doc) { emit(null, doc); }") and ran >>>> to >>>>> ensure it wrote to disk. >>>>> 4> I issued 2 compact commands (curl -X POST >>>>> http://localhost:5984/test/_compact/ -H "Content-Type:application/json") >>>>> 5> And began adding more documents again as before .. >>>>> >>>>> Repeating this, essentially creating view data and compacting it about 10 >>>>> times resulted in 4 'snagged' files >>>>> >>>>> r...@ubuntu:~# lsof | grep -P 'COMMAND|/var/lib/couchdb/1.0.1' >>>>> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME >>>>> beam 1083 couchdb 13u REG 252,0 4185 271 >>>>> /var/lib/couchdb/1.0.1/_users.couch >>>>>>> beam 1083 couchdb 14u REG 252,0 331865 275 >>>>> /var/lib/couchdb/1.0.1/.delete/4e000e0ae5cce3d275f09b4542396e85 (deleted) >>>>>>> beam 1083 couchdb 16u REG 252,0 602210 279 >>>>> /var/lib/couchdb/1.0.1/.delete/a9ee2b96c12591455ea795fa5324dc9c (deleted) >>>>> beam 1083 couchdb 17u REG 252,0 270434 283 >>>>> /var/lib/couchdb/1.0.1/.test_design/07ca32cf9b0de9c915c5d9ce653cdca3.view >>>>> beam 1083 couchdb 18u REG 252,0 204898 284 >>>>> /var/lib/couchdb/1.0.1/.test_design/540958c4124af3925fe467afb96f4906.view >>>>> beam 1083 couchdb 20u REG 252,0 405602 286 >>>>> /var/lib/couchdb/1.0.1/.test_design/f26a8fcc3d2ce226a9e652338882c3db.view >>>>> beam 1083 couchdb 21u REG 252,0 299106 287 >>>>> /var/lib/couchdb/1.0.1/.test_design/40614f8c8e1b4bab9d093881e914729d.view >>>>>>> beam 1083 couchdb 22u REG 252,0 106594 285 >>>>> /var/lib/couchdb/1.0.1/.delete/31909e936ce94db7a6cede72827b18b2 (deleted) >>>>>>> beam 1083 couchdb 24r REG 252,0 233570 288 >>>>> /var/lib/couchdb/1.0.1/.delete/83d09ec6dab90ca6078c0310085b97cc (deleted) >>>>> beam 1083 couchdb 26u REG 252,0 163932 281 >>>>> /var/lib/couchdb/1.0.1/.test_design/3486e8de398e27b8767afd4975691360.view >>>>> beam 1083 couchdb 27w REG 252,0 114786 289 >>>>> /var/lib/couchdb/1.0.1/test.couch >>>>> beam 1083 couchdb 28u REG 252,0 217186 280 >>>>> /var/lib/couchdb/1.0.1/.test_design/b450740e3245f89ab902db10d767a397.view >>>>> >>>>> .. while the bottom 2 marked with (deleted) hung around for about 20 >>>> minutes >>>>> they eventually disappeared .. >>>>> >>>>> r...@ubuntu:~# lsof | grep -P 'COMMAND|/var/lib/couchdb/1.0.1' >>>>> COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME >>>>> beam 1083 couchdb 13u REG 252,0 4185 271 >>>>> /var/lib/couchdb/1.0.1/_users.couch >>>>>>> beam 1083 couchdb 14u REG 252,0 331865 275 >>>>> /var/lib/couchdb/1.0.1/.delete/4e000e0ae5cce3d275f09b4542396e85 (deleted) >>>>>>> beam 1083 couchdb 16u REG 252,0 602210 279 >>>>> /var/lib/couchdb/1.0.1/.delete/a9ee2b96c12591455ea795fa5324dc9c (deleted) >>>>> beam 1083 couchdb 17u REG 252,0 270434 283 >>>>> /var/lib/couchdb/1.0.1/.test_design/07ca32cf9b0de9c915c5d9ce653cdca3.view >>>>> beam 1083 couchdb 18u REG 252,0 204898 284 >>>>> /var/lib/couchdb/1.0.1/.test_design/540958c4124af3925fe467afb96f4906.view >>>>> beam 1083 couchdb 20u REG 252,0 405602 286 >>>>> /var/lib/couchdb/1.0.1/.test_design/f26a8fcc3d2ce226a9e652338882c3db.view >>>>> beam 1083 couchdb 21u REG 252,0 299106 287 >>>>> /var/lib/couchdb/1.0.1/.test_design/40614f8c8e1b4bab9d093881e914729d.view >>>>> beam 1083 couchdb 23u REG 252,0 114786 288 >>>>> /var/lib/couchdb/1.0.1/test.couch >>>>> beam 1083 couchdb 26u REG 252,0 163932 281 >>>>> /var/lib/couchdb/1.0.1/.test_design/3486e8de398e27b8767afd4975691360.view >>>>> beam 1083 couchdb 28u REG 252,0 217186 280 >>>>> /var/lib/couchdb/1.0.1/.test_design/b450740e3245f89ab902db10d767a397.view >>>>> >>>>> .. but the top 2 did not and are still hanging around over an hour later >>>> .. >>>>> >>>>> I will keep looking to see if I can find the exact sequence .. >>>>> >>>>> On 20 September 2010 19:09, [mRg] <emar...@gmail.com> wrote: >>>>> >>>>>> I am trying to reproduce it currently on a fresh VM. It seems to be a >>>>>> symptom of view compaction, after the file is moved to the .delete >>>> directory >>>>>> and then finally deleted is where the problem seems to occur. >>>>>> >>>>>> I tried with a fresh ubuntu 10.10 but I couldnt reproduce but the system >>>>>> I'm seeing it on is ext3 (ubuntu was ext4) so I'm going to start again >>>> with >>>>>> that and report back. >>>>>> >>>>>> I did wonder how this would be reproduced in a test as you have to get >>>>>> quite low level (using lsof) to see if the issue is manifesting itself >>>> :) >>>>>> >>>>>> Regards >>>>>> >>>>>> Stephen >>>>>> >>>>>> On 20 September 2010 16:00, Chris Anderson <jch...@apache.org> wrote: >>>>>> >>>>>>> On Sun, Sep 19, 2010 at 3:21 PM, Randall Leeds < >>>> randall.le...@gmail.com> >>>>>>> wrote: >>>>>>>> If the bug is confirmed it should be on JIRA if it is not already. If >>>>>>>> you have a test case that reproduces it that would be fanstastic >>>>>>>> (bonus points for a JS test in Futon). >>>>>>>> >>>>>>>> It's my opinion something this serious should block 1.1, but >>>>>>>> ultimately that is up to the committers to determine, yes? >>>>>>>> >>>>>>> >>>>>>> I think this is pretty serious. It's probably a simple fix, so as soon >>>>>>> as we have it reproducible, I'm sure it will get fixed. >>>>>>> >>>>>>> I'm not sure how it can be tested from JavaScript, any ideas? >>>>>>> >>>>>>> If not it should be testable via the Erlang tests. >>>>>>> >>>>>>> Chris >>>>>>> >>>>>>>> On Sun, Sep 19, 2010 at 22:09, [mRg] <emar...@gmail.com> wrote: >>>>>>>>> Hi all, >>>>>>>>> >>>>>>>>> This is just a cross-post to highlight a thread on the user list. >>>> (with >>>>>>> the >>>>>>>>> same name as this one - all details etc are on there, happy to >>>> repeat >>>>>>> here >>>>>>>>> if needed). It seems this problem was discussed by some devs at >>>>>>> CouchCamp >>>>>>>>> and seems others are suffering this issue. I was just wondering if >>>>>>> there was >>>>>>>>> a JIRA issue related to this that I/we can track and if a fix for >>>> this >>>>>>> will >>>>>>>>> be included in any upcoming released (1.1 ?). >>>>>>>>> >>>>>>>>> Regards >>>>>>>>> >>>>>>>>> Stephen >>>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Chris Anderson >>>>>>> http://jchrisa.net >>>>>>> http://couch.io >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >> >> >> >> -- >> Filipe David Manana, >> fdman...@gmail.com, fdman...@apache.org >> >> "Reasonable men adapt themselves to the world. >> Unreasonable men adapt the world to themselves. >> That's why all progress depends on unreasonable men." > >
