Perl 6 - the future is here, just unevenly distributed

IRC log for #gluster, 2017-11-27

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02:58 Topic for #gluster is now Gluster Community - https://www.gluster.org | Documentation - https://gluster.readthedocs.io/en/latest/ | Patches - https://review.gluster.org/ | Developers go to #gluster-dev | Channel Logs - https://botbot.me/freenode/gluster/ & http://irclog.perlgeek.de/gluster/
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10:25 ahmadadnan hi all, I'm having a problem with .raw image which is in split-brain
10:27 ahmadadnan already tried suggested solution from some blogs, however still can't.
10:28 ahmadadnan from gluster volume heal gluster-pve info healed : gathering list of healed entries on volume gluster-pve has been unsuccessful on bricks that are down.
10:29 ahmadadnan but those bricks are online, from status output
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11:07 Rakkin When writing stuff to a gluster volume, it apparently waits until all nodes receive data, so my write speed is limited by the connection speed. Can I force gluster to wait only for local disk writes and update other nodes asynchronously? I haven't tried it yet, but geo-replication sounds like what I need, I just don't want all the complications associated with it like setting ssh, etc.
11:09 lcami Hi Rakkin, I believe you mean the connection between the nodes right?
11:10 lcami when you say limited by connection speed...
11:10 Rakkin yes
11:13 lcami Well it is a very good point and I was thinking the same thing as I am building a 6-node setup and was actually thinking of adding IB cards and cache devices to reduce the write acknowledgments between the nodes
11:14 lcami If anyone has any info on that to share it would be great
11:21 lcami Rakkin what is more or less the delay that you are seeing in your setup?
11:24 Rakkin I don't know about delays, but I'm merely trying to synchronize two systems over a wifi connection. Wifi is giving me just ~5mb/s, while local writes can be as fast as 150mb/s.
11:26 lcami :-)
11:27 pester Rakkin: local writes on glusterfs or other local fs ?
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11:27 Rakkin Other local fs. I haven't benchmarked local glusterfs.
11:28 lcami well syncing 2 machines over wifi is not a good idea... You might get much better results with a dedicated gluster network
11:28 pester try it, my tests are: local ext4 writes 95780KB, local gluster 7776KB
11:29 pester like ~10 times difference
11:29 pester on ubuntu 16.04
11:29 Rakkin damn...
11:30 lcami but the fact that it is waiting for the write ack is more related to having one site healthy and then async to a total different site
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11:36 Rakkin Well, I tested local gluster (disconnected wifi temporarily). Got about 80-150mb/s while writing one big file (2GB).
11:38 Rakkin As a workaround for slow writes, I can disconnect wifi, write big files, then connect back. Gluster will synchronize nodes in background. But it's a pain, wish Gluster could make async remote writing.
11:39 lcami if the other node is identical in specs it will give you the same performance
11:39 lcami so your delay is in the connection between the nodes
11:40 Rakkin yep
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16:23 Rakkin What is the current status of Journal Based Replication? Is it still panned to be implemented? Is the there a github issue dedicated to it? Also, if I'm not mistaken, JBD is supposed to allow fast local writes?
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17:12 JoeJulian Rakkin: JBR has an uncertain fate. jdarcy moved to Facebook and has other priorities at the moment.
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17:13 Rakkin aww... too bad...
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19:36 cholcombe anyone know how often gluster cuts point releases?
19:36 cholcombe i'm wondering when my revert patch might land
19:45 vbellur cholcombe: http://docs.gluster.org/en/latest/Contributors-Guide/GlusterFS-Release-process/
19:45 glusterbot Title: GlusterFS Release process - Gluster Docs (at docs.gluster.org)
19:45 cholcombe vbellur: oh hey thanks :)
19:46 cholcombe so possibly a month it looks like
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19:52 vbellur cholcombe: yes, yw :)
19:52 vbellur cholcombe: has the patch been backported? if not done so, you would need to
19:53 cholcombe vbellur: i have no idea: https://bugzilla.redhat.com/show_bug.cgi?id=1513692
19:53 glusterbot Bug 1513692: urgent, unspecified, ---, bugs, NEW , io-stats appends now instead of overwriting which floods filesystem with logs
19:53 cholcombe here's the commit: https://review.gluster.org/#/c/18788/
19:53 glusterbot Title: Gerrit Code Review (at review.gluster.org)
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20:47 vbellur cholcombe: this is on master, you would need to backport following the minor release backport guidelines to release-3.13
20:47 cholcombe vbellur: i see.  so it can't land in 3.12.x?
20:51 vbellur cholcombe: you might be able to, shyam is the release manager and he might be able to help there.
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21:45 Neoon Gluster does IPv6 right?
21:45 Neoon I run into issues when I try to peer v6
21:45 Neoon peer probe: failed: Probe returned with Transport endpoint is not connected
21:46 Neoon I enabled ipv6 in the config and restarted gluster
21:46 Neoon still does not seem to work
21:46 Neoon any idea?
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22:09 cholcombe Neoon: are you dual stack or just ipv6?
22:10 Neoon booth
22:11 Neoon but I tried to force gluster on ipv6 with hostnames
22:11 Neoon since ipv6 has lower latency
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