It's been discussed by dev's at CouchCamp but a mailing list reminder couldn't hurt. There's some discussion about 1.1, so perhaps that's a good thread to raise this on.
B. On Sun, Sep 19, 2010 at 12:24 AM, [mRg] <[email protected]> wrote: > Has this been raised with the dev list or is there a bug raised for this > issue ? Seems a few people are having this and more are probably not seeing > yet. > > On 15 September 2010 08:49, [mRg] <[email protected]> wrote: > >> Yes there are 6 views (2 design docs) >> >> >> On 14 September 2010 21:51, Adam Kocoloski <[email protected]> wrote: >> >>> Were there any view indexes on that DB? My suspicion is that >>> couch_view_group misses a step somewhere in its dance and keeps a reference >>> to an old #db{} >>> >>> Adam >>> >>> On Sep 14, 2010, at 4:46 PM, [mRg] wrote: >>> >>> > It was just on a DB with a lot of writes (documents having lots of >>> > revisions, rather that lots of new docs), the database grows as expected >>> but >>> > after just doing a simple compact on the db the old files still seem to >>> be >>> > on disk as reported previously. >>> > >>> > It seems its been around a while now as (as far as we can see) 0.11 / >>> 1.0 >>> > and 1.0.1 all have the same issue, when we replicated the same data over >>> to >>> > the newer versions the same identical problem happened. >>> > >>> > On 14 September 2010 14:49, Robert Newson <[email protected]> >>> wrote: >>> > >>> >> This was mentioned at CouchCamp, several developers suspect there's a >>> >> subtle bug in the code where file descriptors are not being closed >>> >> under some conditions. >>> >> >>> >> Did the OP identify a particular sequence that led here? >>> >> >>> >> B. >>> >> >>> >> On Mon, Sep 13, 2010 at 6:25 PM, Juan Jose Comellas < >>> [email protected]> >>> >> wrote: >>> >>> I'm pretty certain it's a bug in CouchDB. I haven't checked the code, >>> but >>> >>> what is happening is that CouchDB is keeping file descriptors >>> >> corresponding >>> >>> to deleted files open, probably after compacting a database. I'm >>> >> inferring >>> >>> this based on the fact that with lsof I saw several cases of two files >>> >> with >>> >>> the same name (one deleted and one not) opened by CouchDB. >>> >>> >>> >>> >>> >>> On Mon, Sep 13, 2010 at 7:28 PM, [mRg] <[email protected]> wrote: >>> >>> >>> >>>> Is this an issue with the OS or with Couch/Beam itself ? >>> >>>> >>> >>>> On 10 September 2010 16:57, Juan Jose Comellas <[email protected]> >>> >>>> wrote: >>> >>>> >>> >>>>> It also happened to me with Ubuntu 8.04 and CouchDB 0.10.x. The only >>> >> way >>> >>>> I >>> >>>>> found to solve the problem was by restarting CouchDB. >>> >>>>> >>> >>>>> >>> >>>>> On Thu, Sep 9, 2010 at 10:25 AM, [mRg] <[email protected]> wrote: >>> >>>>> >>> >>>>>> [CouchDB Version : 0.11] >>> >>>>>> [OS: RHEL 5.5] >>> >>>>>> >>> >>>>>> Hi all, >>> >>>>>> >>> >>>>>> We are seeing some odd behaviour with CouchDb not releasing files >>> >> after >>> >>>>> it >>> >>>>>> has compacted them meaning we are seeing disk space continue to >>> >>>> increase >>> >>>>>> until the service is restarted even though we have regular >>> >> compaction / >>> >>>>>> cleanup. >>> >>>>>> >>> >>>>>> Typical scenario : File system alert for disk space .. >>> >>>>>> >>> >>>>>> df says 5.5.GB used .. >>> >>>>>> >>> >>>>>> df -h | grep -P 'Filesystem|db' >>> >>>>>> >>> >>>>>> Filesystem Size Used Avail Use% Mounted on >>> >>>>>> >>> >>>>>> 8.0G 5.5G 2.2G 72% /var/lib/db >>> >>>>>> >>> >>>>>> >>> >>>>>> .. but the files on the disk (and in Futon) say only 793MB is being >>> >>>> used >>> >>>>> .. >>> >>>>>> >>> >>>>>> >>> >>>>>> du -sh /var/lib/db/* >>> >>>>>> >>> >>>>>> 793M /var/lib/db/couchdb >>> >>>>>> >>> >>>>>> >>> >>>>>> .. running lsof shows the files marked as deleted but still there >>> >> (I'm >>> >>>>>> assuming beam still has some kind of handle still open to them) .. >>> >>>>>> >>> >>>>>> >>> >>>>>> lsof | grep -P 'COMMAND|/var/lib/db/couchdb/' >>> >>>>>> >>> >>>>>> COMMAND PID USER FD TYPE DEVICE >>> >> SIZE >>> >>>>>> NODE NAME >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 12u REG 253,10 >>> >> 4183 >>> >>>>>> 1210374 >>> >>>>>> >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.active_context_design/8efe9584a944f4b24b97f134f541d80f.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 16u REG 253,10 >>> >> 612039080 >>> >>>>>> 1204227 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 20u REG 253,10 >>> >> 180699242 >>> >>>>>> 1204237 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 21u REG 253,10 >>> >> 3133540 >>> >>>>>> 2023429 /var/lib/db/couchdb/thesaurus.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 25u REG 253,10 >>> >> 71422052 >>> >>>>>> 2023428 /var/lib/db/couchdb/active_context_schedule.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 26u REG 253,10 >>> >> 71372900 >>> >>>>>> 2056193 /var/lib/db/couchdb/active_context_schedule.couch >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 28u REG 253,10 >>> >> 621252717 >>> >>>>>> 1204238 /var/lib/db/couchdb/active_context.couch >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 29u REG 253,10 >>> >> 1740903 >>> >>>>>> 90113 /var/lib/db/couchdb/mapping_cache.couch >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 30u REG 253,10 >>> >> 3133540 >>> >>>>>> 1204253 /var/lib/db/couchdb/thesaurus.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 31u REG 253,10 >>> >> 2318439 >>> >>>>>> 1204240 /var/lib/db/couchdb/mappings.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 32u REG 253,10 >>> >> 983150 >>> >>>>>> 2004994 >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.mappings_design/f9964c50b95c167c8ac3d8d3b4c76a4b.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 33u REG 253,10 >>> >> 3133540 >>> >>>>>> 2056194 /var/lib/db/couchdb/thesaurus.couch >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 34u REG 253,10 >>> >> 70742116 >>> >>>>>> 1204231 /var/lib/db/couchdb/active_context_schedule.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 44u REG 253,10 >>> >> 1740903 >>> >>>>>> 2023427 /var/lib/db/couchdb/mapping_cache.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 45u REG 253,10 >>> >> 65396836 >>> >>>>>> 1994756 /var/lib/db/couchdb/active_context_schedule.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 47u REG 253,10 >>> >> 71229540 >>> >>>>>> 1204243 /var/lib/db/couchdb/active_context_schedule.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 48u REG 253,10 >>> >> 240254078 >>> >>>>>> 1204226 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 49u REG 253,10 >>> >> 2232423 >>> >>>>>> 1204241 /var/lib/db/couchdb/mappings.couch >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 51u REG 253,10 >>> >> 96903353 >>> >>>>>> 1210371 >>> >>>>>> >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.active_context_design/b406f7bb6d01b6d50324f14cde588324.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 52u REG 253,10 >>> >> 1192034 >>> >>>>>> 1249282 >>> >>>>>> >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.mapping_cache_design/8bbf80a6e1ca8f2c71ebc90c730e7190.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 53u REG 253,10 >>> >> 1622135 >>> >>>>>> 2004993 >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.mappings_design/1ff69004b575837aae9d4147162197d4.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 54u REG 253,10 >>> >> 4172 >>> >>>>>> 1208327 >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.thesaurus_design/73fe79b20ff06e341257fa78231ca87e.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 55u REG 253,10 >>> >> 13496483 >>> >>>>>> 1208325 >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.thesaurus_design/fcc08d6e41c54c0d470c5984ea9eb6e3.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 56u REG 253,10 >>> >> 12959902 >>> >>>>>> 1208326 >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.thesaurus_design/c06195da19f34ced37fa1ab91e663c73.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 57u REG 253,10 >>> >> 70254692 >>> >>>>>> 1204236 /var/lib/db/couchdb/active_context_schedule.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 58u REG 253,10 >>> >> 581730 >>> >>>>>> 1210373 >>> >>>>>> >>> >>>>>> >>> >>>>> >>> >>>> >>> >> >>> /var/lib/db/couchdb/.active_context_schedule_design/c64c047dcff74ea2122356efb1042759.view >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 67u REG 253,10 >>> >> 1818727 >>> >>>>>> 1204247 /var/lib/db/couchdb/mapping_cache.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 78u REG 253,10 >>> >> 609905146 >>> >>>>>> 1204234 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 80u REG 253,10 >>> >> 545919085 >>> >>>>>> 1994753 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 81u REG 253,10 >>> >> 71032932 >>> >>>>>> 1204249 /var/lib/db/couchdb/active_context_schedule.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 84u REG 253,10 >>> >> 548866111 >>> >>>>>> 1204239 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 85u REG 253,10 >>> >> 564612402 >>> >>>>>> 1204233 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 87u REG 253,10 >>> >> 615996179 >>> >>>>>> 1204228 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> beam.smp 21352 couchdb 102u REG 253,10 >>> >> 561111149 >>> >>>>>> 2023425 /var/lib/db/couchdb/active_context.couch (deleted) >>> >>>>>> >>> >>>>>> >>> >>>>>> Has anyone seen this behaviour before or knows of a way around this >>> >> ? >>> >>>>>> Currently we have to restart the couchdb service in order to >>> restore >>> >>>> the >>> >>>>>> disk space. >>> >>>>>> >>> >>>>>> Any help/advice is much appreciated. >>> >>>>>> >>> >>>>>> Regards >>> >>>>>> >>> >>>>>> Stephen >>> >>>>>> >>> >>>>> >>> >>>> >>> >>> >>> >> >>> >>> >> >
