Hi,
thanks for testing it. I've identified an fd leak in the disperse xlator. I've filed a bug [1] for this.
Xavi
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1344396
On 08.06.2016 05:00, 彭繼霆 wrote:
Hi, I have a volume created with 3 bricks.After delete file which was created by "echo", the file has been move to unlink folder.Excepted result, opened fd should be zero, and unlink folder contains no file.But actually, opened fd is not zero, unlink folder contains a file.
Here are some examples:# gluster volume info ec2
Volume Name: ec2
Type: Disperse
Volume ID: 47988520-0e18-4413-9e55-3ec3f3352600
Status: Started
Number of Bricks: 1 x (2 + 1) = 3
Transport-type: tcp
Bricks:
Brick1: giting1:/export/ec2/fs
Brick2: giting2:/export/ec2/fs
Brick3: giting3:/export/ec2/fs
Options Reconfigured:
performance.readdir-ahead: on
# gluster v status ec2
Status of volume: ec2
Gluster process TCP Port RDMA Port Online Pid
------------------------------------------------------------------------------
Brick giting1:/export/ec2/fs 49154 0 Y 10856
Brick giting2:/export/ec2/fs 49154 0 Y 7967
Brick giting3:/export/ec2/fs 49153 0 Y 7216
NFS Server on localhost N/A N/A N N/A
Self-heal Daemon on localhost N/A N/A Y 10884
NFS Server on giting3 2049 0 Y 7236
Self-heal Daemon on giting3 N/A N/A Y 7244
NFS Server on giting2 2049 0 Y 7987
Self-heal Daemon on giting2 N/A N/A Y 7995
Task Status of Volume ec2
------------------------------------------------------------------------------
There are no active volume tasks
# mount -t glusterfs giting1:ec2 /ec2
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 18G 12G 5.8G 67% /
devtmpfs 1.9G 0 1.9G 0% /dev
tmpfs 1.9G 0 1.9G 0% /dev/shm
tmpfs 1.9G 41M 1.9G 3% /run
tmpfs 1.9G 0 1.9G 0% /sys/fs/cgroup
/dev/sdb 40G 33M 40G 1% /export/bk1
/dev/sda1 497M 168M 330M 34% /boot
tmpfs 380M 0 380M 0% /run/user/0
giting1:dht 80G 66M 80G 1% /dht
giting1:/ec1 35G 24G 12G 67% /volume/ec1
giting1:ec2 35G 24G 12G 67% /ec2# gluster v top ec2 openBrick: giting1:/export/ec2/fsCurrent open fds: 0, Max open fds: 0, Max openfd time: N/ABrick: giting2:/export/ec2/fsCurrent open fds: 0, Max open fds: 0, Max openfd time: N/ABrick: giting3:/export/ec2/fsCurrent open fds: 0, Max open fds: 0, Max openfd time: N/A# for ((i=0;i /ec2/test.txt; done# gluster v top ec2 openBrick: giting1:/export/ec2/fsCurrent open fds: 9, Max open fds: 10, Max openfd time: 2016-06-08 10:09:23.665717Count filename=======================10 /test.txtBrick: giting3:/export/ec2/fsCurrent open fds: 9, Max open fds: 10, Max openfd time: 2016-06-08 10:09:23.299795Count filename=======================10 /test.txtBrick: giting2:/export/ec2/fsCurrent open fds: 9, Max open fds: 10, Max openfd time: 2016-06-08 10:09:23.236294Count filename=======================10 /test.txt# ll /export/ec2/fs/.glusterfs/unlink/total 0# rm /ec2/test.txt# ls -l /export/ec2/fs/.glusterfs/unlink/total 8-rw-r--r-- 1 root root 512 Jun 8 18:09 a053b266-15c5-4ac7-ac44-841e177c7ebe# gluster v top ec2 openBrick: giting1:/export/ec2/fsCurrent open fds: 8, Max open fds: 10, Max openfd time: 2016-06-08 10:09:23.665717Count filename=======================10 /test.txtBrick: giting2:/export/ec2/fsCurrent open fds: 8, Max open fds: 10, Max openfd time: 2016-06-08 10:09:23.236294Count filename=======================10 /test.txtBrick: giting3:/export/ec2/fsCurrent open fds: 8, Max open fds: 10, Max openfd time: 2016-06-08 10:09:23.299795Count filename=======================10 /test.txtReference:Commit: storage/posix: Implement .unlink directory
https://github.com/gluster/glusterfs/commit/195548f55b09bf71db92929b7b734407b863093c
Regards,Gi-ting Peng
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