Perl 6 - the future is here, just unevenly distributed

IRC log for #gluster-dev, 2017-07-05

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01:48 Topic for #gluster-dev is now Gluster Development Channel - https://www.gluster.org | For general chat go to #gluster | Patches - https://review.gluster.org/ | Channel Logs - https://botbot.me/freenode/gluster-dev/ & http://irclog.perlgeek.de/gluster-dev/
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08:46 ndevos nigelb: I cant find the JJB repository (or files) for build.gluster.org under github.com/gluster, can you give me a pointer?
08:47 misc isn't is somewhere there https://github.com/gluster/glusterfs-patch-acceptance-tests/tree/master/centos-ci .
08:47 misc ?
08:48 misc or I wonder if that's not only on gerrit
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09:16 ndevos misc: yeah, I thought it would be in that repo, but the centos-ci is not build.gluster.org
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09:37 kshlm ndevos, Does the storage-sig provide 3.11 packages yet?
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09:44 ndevos kshlm: yes, in the testing repo, I still dont have any reports about the state, so they are not marked for release yet
09:45 ndevos kshlm: this should work: http://lists.gluster.org/pipermail/packaging/2017-June/000325.html
09:46 kshlm ndevos, Thanks. I'll try to find some time to check these packages.
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09:47 ndevos kshlm: that would be much appreciated!
09:47 ndevos kshlm: just installing them and verify that stuff runs is sufficient, the glusterfs version should have been tested well enough :)
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10:17 pkalever ndevos: currently when we delete a volume even if there are few blocks hosted on it, volume just gets deleted without any warning (expected). What I wanted to know is, if there are any hook script that we can add to make this explicit check before a volume delete ? Do you know if nfs-ganesha has something similar ?
10:20 ndevos pkalever: the volume is deleted, but the data is still there - and the gluster-cli asks if you are sure about deleting it when there are clients connected (or the volume is started)
10:21 pkalever ndevos: yes, can we make a step forward there to check if there are any block volumes hosted with the help of some hook scripts ?
10:24 ndevos pkalever: we could check with a hook script, but I have no idea what options that has to communicate a question/warning to glusterd and the cli
10:26 pkalever ndevos: something like if block profile is set on a volume, check for entries in /block-store or /block-meta dir to ensure if there are any exiting blocks ?
10:27 pkalever ndevos: I do not see any other way ...
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10:50 ndevos pkalever: yes, such an approach would work, but that also needs a way to have a hook-script communicate the problem to the user
10:52 ndevos pkalever: it is possible to set an additional 'option' for a volume, something like "gluster volume set MYVOL user.gluster-block yes" and check that option
10:52 ndevos pkalever: you can not assume that the volume is mounted, so you will need to access the bricks directly (can be done now, but maybe not with dht2/posix2)
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11:00 amarts someone help with merging / more review of this feature: https://review.gluster.org/#/c/17488/ It is planned for 3.12, would be good to make it well in advance
11:00 pkalever ndevos: not sure if there is a way to check if block group profile is set ? https://review.gluster.org/#/c/17254/
11:05 ndevos pkalever: no, I dont think the profile name is stored somewhere, only the options from the profile get applied
11:06 ndevos pkalever: you could add an option user.gluster-block with some value, and then check for that option
11:06 pkalever ndevos: yeah!
11:07 pkalever ndevos++
11:07 glusterbot pkalever: ndevos's karma is now 360
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11:24 atinm ndevos, one question
11:25 atinm ndevos, with https://review.gluster.org/17009 have we ensured that ongoing I/O's performance would not be impacted if profile is turned on?
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12:20 ndevos atinm: I dont think we did performance tests specific for that change, but at least the statistics should be correct not
12:20 ndevos uh, *now
12:21 atinm ndevos, ok, but does it improve the locking bottlenecks?
12:22 ndevos atinm: it does not use locks, it is all processor sync'd - only on architectures that dont support the atomic operations (old i386 and some ARMv6) will see more lock usage
12:23 ndevos atinm: actually, I think that change drops some locks that were used
12:24 atinm ndevos, there you go! in that case we may improve the performance right?
12:25 ndevos atinm: yes, I deem that more likely than regressing on performance
12:26 atinm ndevos, cool, thanks!
12:26 ndevos atinm: ok, you're welcome!
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12:56 susant kotreshhr++
12:56 glusterbot susant: kotreshhr's karma is now 9
13:01 kkeithley nigelb: ping. Are you around?
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14:55 kshlm Gluster Community Meeting starts in 5 minutes in #gluster-meeting
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15:04 kshlm Community has started in #gluster-meeting
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