[mapserver-users] MapCache - failed to remove lockfile error
thomas bonfort
thomas.bonfort at gmail.com
Fri Oct 7 06:16:03 EDT 2011
What version of mod-geocache are you using (revision number or release
version) ?
On Thu, Oct 6, 2011 at 22:17, Travis Kirstine <traviskirstine at gmail.com> wrote:
> This doesn't seem to be a issue, I have lots of inodes left. It
> appears that the error occurred when generating (linking) areas with
> a large volume of transparent tiles, could this be related?
>
> Regards
>
> On 6 October 2011 14:19, Stephen Woodbridge <woodbri at swoodbridge.com> wrote:
>> Have you verified that you have not filled up the disk or run out of inodes?
>>
>> # check the diskspace with
>> df -h
>>
>> # check for inode issues
>> touch /path/to/cache/test.junk
>>
>> # if the touch failed then you have run out of inodes
>> # otherwise clean up
>> rm /path/to/cache/test.junk
>>
>> Thanks,
>> -Steve W
>>
>> On 10/6/2011 12:14 PM, thomas bonfort wrote:
>>>
>>> I don't have a specific advice to give unfortunately. There have been
>>> some fixes lately (macpcache only, not mod-geocache) to the way
>>> multiple threads accessed the curl library that might help, so you
>>> might want to try with a fresh checkout from the mapserver svn.
>>>
>>> --
>>> thomas
>>>
>>> On Thu, Oct 6, 2011 at 18:08, Travis Kirstine<traviskirstine at gmail.com>
>>> wrote:
>>>>
>>>> Thomas,
>>>>
>>>> My command is below, I'm using a disk cache, my config file is below.
>>>> I'm using a local copy of MapServer for the source image generation
>>>>
>>>>
>>>> ./geocache_seed -c ../geocache.xml -t ms_tileset_8 -z 0,21 -e
>>>> -8895580.772,5411569.158,-8797157.196,5538966.276 -n 6
>>>>
>>>>
>>>> <?xml version="1.0" encoding="UTF-8"?>
>>>> <geocache>
>>>>
>>>> <metadata>
>>>> <title>geocache service esx11</title>
>>>> <abstract>mod-geocache service</abstract>
>>>> <!-- url>http://mysuperhost/proxy/to/geocache</url -->
>>>> </metadata>
>>>>
>>>> <grid name="googlemaps_grid">
>>>> <metadata>
>>>> <title>GoogleMapsCompatible</title>
>>>>
>>>> <WellKnownScaleSet>urn:ogc:def:wkss:OGC:1.0:GoogleMapsCompatible</WellKnownScaleSet>
>>>> </metadata>
>>>> <extent>-20037508.3427892480 -20037508.3427892480
>>>> 20037508.3427892480 20037508.3427892480</extent>
>>>> <srs>EPSG:3857</srs>
>>>> <srsalias>EPSG:900913</srsalias>
>>>> <units>m</units>
>>>> <size>256 256</size>
>>>> <resolutions>156543.0339280410 78271.51696402048
>>>> 39135.75848201023 19567.87924100512 9783.939620502561
>>>> 4891.969810251280 2445.984905125640 1222.992452562820
>>>> 611.4962262814100 305.7481131407048 152.8740565703525
>>>> 76.43702828517624 38.21851414258813 19.10925707129406
>>>> 9.554628535647032 4.777314267823516 2.388657133911758
>>>> 1.194328566955879 0.5971642834779395 0.29858214173896975
>>>> 0.149291070869484875 0.0746455354347424375</resolutions>
>>>> </grid>
>>>>
>>>> <cache name="disk" type="disk">
>>>> <base>/var/mod-geocache/caches</base>
>>>> <symlink_blank/>
>>>> </cache>
>>>>
>>>> <format name="PNGQ_FAST" type ="PNG">
>>>> <compression>fast</compression> <!-- fast or best -->
>>>> <colors>256</colors>
>>>> </format>
>>>> <format name="myjpeg" type ="JPEG">
>>>> <quality>75</quality>
>>>> </format>
>>>> <format name="PNG_BEST" type ="PNG">
>>>> <compression>best</compression>
>>>> </format>
>>>> <format name="mixed" type="MIXED">
>>>> <transparent>PNG_BEST</transparent>
>>>> <opaque>JPEG</opaque>
>>>> </format>
>>>>
>>>> <source name="ms_wms" type="wms">
>>>> <getmap>
>>>> <params>
>>>> <FORMAT>image/png</FORMAT>
>>>> <LAYERS>YORK2009</LAYERS>
>>>> <TRANSPARENT>true</TRANSPARENT>
>>>> </params>
>>>> </getmap>
>>>> <http>
>>>> <url>http://localhost.jdbarnes.com/cgi-bin/ms_wms</url>
>>>> </http>
>>>> </source>
>>>>
>>>> <tileset name="ms_tileset_8">
>>>> <source>ms_wms</source>
>>>> <cache>disk</cache>
>>>> <!--grid restricted_extent="-79.8205259 43.7179074 -79.1161194
>>>> 44.4110187">WGS84</grid-->
>>>> <grid>googlemaps_grid</grid>
>>>> <format>mixed</format>
>>>> <metatile>8 8</metatile>
>>>> <metabuffer>0</metabuffer>
>>>> </tileset>
>>>>
>>>> <default_format>JPEG</default_format>
>>>>
>>>> <service type="wmts" enabled="true"/>
>>>> <service type="tms" enabled="true"/>
>>>> <service type="kml" enabled="true"/>
>>>> <service type="gmaps" enabled="true"/>
>>>> <service type="ve" enabled="true"/>
>>>> <service type="demo" enabled="true"/>
>>>>
>>>> <errors>report</errors>
>>>>
>>>> <lock_dir>/var/mod-geocache/caches</lock_dir>
>>>>
>>>> </geocache>
>>>>
>>>> On 6 October 2011 10:31, thomas bonfort<thomas.bonfort at gmail.com> wrote:
>>>>>
>>>>> what seed command were you using, and what kind of cache ?
>>>>>
>>>>> On Thu, Oct 6, 2011 at 15:52, Travis Kirstine<traviskirstine at gmail.com>
>>>>> wrote:
>>>>>>
>>>>>> Thanks Thomas,
>>>>>>
>>>>>> The complete error message is below. Do you have any idea what would
>>>>>> cause this error - why would mapcache fail to create or delete the
>>>>>> lockfile.
>>>>>>
>>>>>>
>>>>>>
>>>>>> seeding tile 583296 1337304 21failed to remove lockfile
>>>>>> /var/mod-geocache/cachesseeding tile 583304 1337296 21failed to remove
>>>>>> lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-21-167156-72919-ms_tileset_8:
>>>>>> No such file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-21-167157-72919-ms_tileset_8: No
>>>>>> such file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-20-83579-36459-ms_tileset_8: No such
>>>>>> file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-21-167156-72918-ms_tileset_8: No
>>>>>> such file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-21-167159-72918-ms_tileset_8: No
>>>>>> such file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-21-167158-72918-ms_tileset_8: No
>>>>>> such file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-21-167159-72919-ms_tileset_8: No
>>>>>> such file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-18-20895-9114-ms_tileset_8: No such
>>>>>> file or directoryfailed to remove lockfile
>>>>>> /var/mod-geocache/caches/_gc_lock-21-167158-72919-ms_tileset_8: No
>>>>>> such file or directory
>>>>>>
>>>>>>
>>>>>> Regards
>>>>>>
>>>>>>
>>>>>> On 6 October 2011 09:11, thomas bonfort<thomas.bonfort at gmail.com>
>>>>>> wrote:
>>>>>>>
>>>>>>> The log message should be more explicit, and contain the reason of the
>>>>>>> unsuccessful removal. In any case, looking at the code, this error
>>>>>>> will have interrupted the seeding process.
>>>>>>>
>>>>>>> regards,
>>>>>>> thomas
>>>>>>>
>>>>>>> On Thu, Oct 6, 2011 at 15:03, Travis
>>>>>>> Kirstine<traviskirstine at gmail.com> wrote:
>>>>>>>>
>>>>>>>> Hi All,
>>>>>>>> I hope this is the right spot to post MapCache questions. I had
>>>>>>>> seeded a large area and receive the error "failed to remove
>>>>>>>> lockfile".
>>>>>>>> It appears that this error(s) happens at the end of the seeding but
>>>>>>>> it is hard tell as the process has been running for a few days. Does
>>>>>>>> this error kill the seeder process or is it simply a warning?
>>>>>>>>
>>>>>>>> Regards
>>>>>>>> _______________________________________________
>>>>>>>> mapserver-users mailing list
>>>>>>>> mapserver-users at lists.osgeo.org
>>>>>>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>> _______________________________________________
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>>> mapserver-users at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/mapserver-users
>>
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