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alja / xrootd

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1200 jobs on uclhc-dev.t2, 6G RAM #65

Open alja opened 9 years ago

alja commented 9 years ago

Expected traffic 2.3 G

Stat: ~ 35% of blocks download complete ~5% blocks missed ~10% from RAM blocks

net1200 disk1200

alja commented 9 years ago

RAM usage

Did not check this before the test start, but most RAM is used in cache

[alja@uclhc-dev async]$ free -h total used free shared buffers cached Mem: 125G 125G 393M 116K 2.5M 116G -/+ buffers/cache: 9.0G 116G Swap: 7.8G 42M 7.8G

alja commented 9 years ago

Error mesages

There were only client error messages which seem to be self recovered. No errors detected in the caching layer

caching server

[2015-08-19 13:09:33.009102 -0700][Error ][XRootD ] [1680@mongo.mayer.optiputer.net:1094] Handling error while processing kXR_read (handle: 0x00000000, offset: 47185920, size: 1048576): [ERROR] Socket error. [2015-08-19 13:09:33.009146 -0700][Error ][XRootD ] [1680@mongo.mayer.optiputer.net:1094] Unable to get the response to request kXR_read (handle: 0x00000000, offset: 47185920, size: 1048576)

cabinets

[2015-08-19 13:53:41.851824 -0700][Error ][XRootD ] [uclhc-dev.t2.ucsd.edu:1094] Unable to get the response to request kXR_read (handle: 0x00000000, offset: 139200000, size: 2400000)

... the xrdfragcp program seem to exit on this errors