Hi, Please provide the following:
1. gluster volume info 2. statedump of the fuse process when it hangs Thanks, Nithya On 9 August 2018 at 18:24, mabi <[email protected]> wrote: > Hello, > > I recently upgraded my GlusterFS replica 2+1 (aribter) to version 3.12.12 > and now I see a weird behaviour on my client (using FUSE mount) where I > have processes (PHP 5.6 FPM) trying to access a specific directory and then > the process blocks. I can't kill the process either, not even with kill -9. > I need to reboot the machine in order to get rid of these blocked processes. > > This directory has one particularity compared to the other directories it > is that it has reached it's quota soft-limit as you can see here in the > output of gluster volume quota list: > > Path Hard-limit Soft-limit Used > Available Soft-limit exceeded? Hard-limit exceeded? > ------------------------------------------------------------ > ------------------------------------------------------------------- > /directory 100.0GB 80%(80.0GB) 90.5GB > 9.5GB Yes No > > That does not mean that it is the quota's fault but it might be a hint > where to start looking for... And by the way can someone explain me what > the soft-limit does? or does it not do anything special? > > Here is an the linux stack of a blocking process on that directory which > happened with a simple "ls -la": > > [Thu Aug 9 14:21:07 2018] INFO: task ls:2272 blocked for more than 120 > seconds. > [Thu Aug 9 14:21:07 2018] Not tainted 3.16.0-4-amd64 #1 > [Thu Aug 9 14:21:07 2018] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [Thu Aug 9 14:21:07 2018] ls D ffff88017ef93200 0 2272 > 2268 0x00000004 > [Thu Aug 9 14:21:07 2018] ffff88017653f490 0000000000000286 > 0000000000013200 ffff880174d7bfd8 > [Thu Aug 9 14:21:07 2018] 0000000000013200 ffff88017653f490 > ffff8800eeb3d5f0 ffff8800fefac800 > [Thu Aug 9 14:21:07 2018] ffff880174d7bbe0 ffff8800eeb3d6d0 > ffff8800fefac800 ffff8800ffe1e1c0 > [Thu Aug 9 14:21:07 2018] Call Trace: > [Thu Aug 9 14:21:07 2018] [<ffffffffa00dc50d>] ? > __fuse_request_send+0xbd/0x270 [fuse] > [Thu Aug 9 14:21:07 2018] [<ffffffff810abce0>] ? > prepare_to_wait_event+0xf0/0xf0 > [Thu Aug 9 14:21:07 2018] [<ffffffffa00e0791>] ? > fuse_dentry_revalidate+0x181/0x300 [fuse] > [Thu Aug 9 14:21:07 2018] [<ffffffff811b944e>] ? lookup_fast+0x25e/0x2b0 > [Thu Aug 9 14:21:07 2018] [<ffffffff811bacc5>] ? > path_lookupat+0x155/0x780 > [Thu Aug 9 14:21:07 2018] [<ffffffff81195715>] ? > kmem_cache_alloc+0x75/0x480 > [Thu Aug 9 14:21:07 2018] [<ffffffffa00dfca9>] ? > fuse_getxattr+0xe9/0x150 [fuse] > [Thu Aug 9 14:21:07 2018] [<ffffffff811bb316>] ? > filename_lookup+0x26/0xc0 > [Thu Aug 9 14:21:07 2018] [<ffffffff811bf594>] ? > user_path_at_empty+0x54/0x90 > [Thu Aug 9 14:21:07 2018] [<ffffffff81193e08>] ? > kmem_cache_free+0xd8/0x210 > [Thu Aug 9 14:21:07 2018] [<ffffffff811bf59f>] ? > user_path_at_empty+0x5f/0x90 > [Thu Aug 9 14:21:07 2018] [<ffffffff811b3d46>] ? vfs_fstatat+0x46/0x90 > [Thu Aug 9 14:21:07 2018] [<ffffffff811b421d>] ? SYSC_newlstat+0x1d/0x40 > [Thu Aug 9 14:21:07 2018] [<ffffffff811d34b8>] ? SyS_lgetxattr+0x58/0x80 > [Thu Aug 9 14:21:07 2018] [<ffffffff81525d0d>] ? > system_call_fast_compare_end+0x10/0x15 > > > My 3 gluster nodes are all Debian 9 and my client Debian 8. > > Let me know if you need more information. > > Best regards, > Mabi > _______________________________________________ > Gluster-users mailing list > [email protected] > https://lists.gluster.org/mailman/listinfo/gluster-users >
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