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Server says lease on chunk is busy

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2011-09-15
2013-04-25
  • Susan Thistlethwaite

    I always get this message when attempting to read a file:

    09-15-2011 11:06:56.587 INFO - (KfsClient.cc:3317) Server says lease on chunk 13 is busy…waiting

    Any ideas why and how to fix?

    Setup shown here:

    $ more mach*
    ::::::::::::::
    machines.cfg
    ::::::::::::::
    # KFS Machine configuration file
    #
    # The following configuration is a single node KFS setup.  There is # one meta server and 2 chunk servers. The chunk servers are exporting # 30,000,000 bytes or 30 G apiece.  Note the unique values for the baseport, rundir.
    #

    node: localhost
    clusterkey: test-cluster
    rundir: /home/susan/kfs/meta
    baseport: 20000
    numservers: 2

    rundir: /home/susan/kfs/chunk/bin/kfschunk
    baseport: 30000
    space: 1 G
    loglevel: INFO
    ::::::::::::::
    machines.txt
    ::::::::::::::
    192.168.243.158
    $ python kfssetup.py  -f machines.cfg  -m machines.txt -b ../build -w ../webui/ -s
    cp: omitting directory `./bin'
    cp: omitting directory `./lib'
    cp: omitting directory `./orig'
    cp: omitting directory `./scripts'
    cp: omitting directory `./webui'
    gtar: Removing leading `/' from member names
    gtar: Removing leading `/' from member names

    python kfslaunch.py -f machines.cfg -m machines.txt -s
    : Starting chunkserver…
    : Starting metaserver…
    : Starting cleaner…

    $ ~/projects/kfs/build/bin/tools/kfsping -m -s localhost -p 20000 Up servers: 1 s=127.0.0.1, p=30000, rack=243, used=0(GB), free=1(GB), util=0%, nblocks=0, lastheard=0 (sec), ncorrupt=0, nchunksToMove=0, numDrives=1 $

    $ cptokfs -s localhost -p 20000 -d ~/Downloads/Hamlet.txt -k plays -v
    09-08-2011 11:09:06.053 DEBUG - (KfsClient.cc:636) Connecting to metaserver at: localhost:20000
    09-08-2011 11:09:06.054 DEBUG - (KfsClient.cc:3226) file-id for dir: / (file = plays) is 2
    09-08-2011 11:09:06.054 DEBUG - (KfsClient.cc:3226) file-id for dir: / (file = plays) is 2
    09-08-2011 11:09:06.055 DEBUG - (KfsClient.cc:1301) Size of plays is 0
    09-08-2011 11:09:06.055 DEBUG - (KfsClient.cc:3226) file-id for dir: /plays/ (file = Hamlet.txt) is 4
    09-08-2011 11:09:06.055 DEBUG - (KfsClient.cc:2518) lookup: Hamlet.txt (parentfid = 4) failed with code(-2): No such file or directory
    09-08-2011 11:09:06.055 DEBUG - (KfsClient.cc:3226) file-id for dir: /plays/ (file = Hamlet.txt) is 4
    09-08-2011 11:09:06.078 DEBUG - (KfsClient.cc:2910) Chunk: 3, size = 0
    09-08-2011 11:09:06.078 DEBUG - (KfsClient.cc:2049) Fileid: 5, chunk : 3, version: 1, hosted on:
    09-08-2011 11:09:06.078 DEBUG - (KfsClient.cc:2052) 127.0.0.1 30000
    09-08-2011 11:09:06.078 DEBUG - (KfsClient.cc:2060) Total Time to allocate chunk: 0.0021 secs
    09-08-2011 11:09:06.079 DEBUG - (KfsWrite.cc:686) @offset: 0 nbytes: 131072 cksum: 274782518 # of entries: 2
    09-08-2011 11:09:06.079 DEBUG - (KfsWrite.cc:686) @offset: 131072 nbytes: 51417 cksum: 199294017 # of entries: 1
    09-08-2011 11:09:06.106 DEBUG - (KfsWrite.cc:738) Wrote to server (fd = 2), 182489 bytes, was asked 182489 bytes
    09-08-2011 11:09:06.106 DEBUG - (KfsWrite.cc:517) Total Time to write data to server(s): 0.0280 secs
    09-08-2011 11:09:06.106 DEBUG - (KfsClient.cc:2873) Relinquishing lease on chunk=3, @offset = 182489, chunksize = 182489
    09-08-2011 11:09:06.107 DEBUG - (KfsClient.cc:1664) Closing filetable entry: 2
    09-08-2011 11:09:06.107 DEBUG - (KfsClient.cc:3122) Closing filetable entry: 2, openmode = 2, path = plays/Hamlet.txt $

     
  • Susan Thistlethwaite

    Never mind - I've worked around this.

     

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