Perl 6 - the future is here, just unevenly distributed

IRC log for #gluster-dev, 2016-04-25

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07:17 hgowtham kdhananjay++
07:17 glusterbot hgowtham: kdhananjay's karma is now 17
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08:20 ndevos rjoseph: are you happy with the svc_* rename to gf_svc_* in http://review.gluster.org/14035 ?
08:31 anoopcs ndevos, I would like to have your opinion before closing the following issue: https://github.com/gluster/glusterfs-coreutils/issues/10
08:32 ndevos anoopcs: sure, I'll check it in a bit, during/after I made breakfast
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11:06 ndevos anoopcs: hows https://github.com/gluster/glusterfs-coreutils/issues/10#issuecomment-214266700 ?
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11:59 kkeithley rastar, mchangir: nana patch review mahdia (sp?). http://review.gluster.org/#/c/13981/
12:00 * ndevos o_O
12:02 ndevos also, this is rafi with head phones on: d(O_o)b
12:02 kkeithley lol
12:03 ndevos and hagarth making thumbs up like a real US citizen: d_(O_o)_b
12:10 post-factum and hagarth reverting broken commits before release: (╯°□°)╯︵ ┻━┻
12:11 ndevos :-/ utf-8 breaks in my terminal for a lot of symbols
12:11 post-factum hah
12:11 post-factum why not using unicode terminal?
12:12 ndevos the XFCE Terminal supports it, but I have irssi in a screen session, and somewhere along the way utf-8 isnt completely supported
12:12 misc oh yeah, I add the same issue in the past, that's "funny" to search
12:13 ndevos it's running on a rhel-6 server, in case you have an idea what the issue could be
12:13 misc screen -U ?
12:13 post-factum i use irssi in tmux now (over mosh), so i blame screen
12:14 ndevos misc: I have "defutf8 on" in my ~/.screenrc ?
12:14 misc ndevos: then not that
12:14 misc ndevos: does it work in utf8 in another shell ?
12:14 ndevos oh... maybe my homedir isnt available immediately after a cron @reboot?
12:15 misc depend, running on nfs ?
12:16 ndevos hm, I guess that isnt it, I have: @reboot/bin/sh -c "sleep 1h ; exec /usr/bin/screen -s /bin/....
12:16 ndevos with a tab after @reboot
12:17 misc I do use a perl script clled "charsetwars"
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12:17 misc but I think i also had to do something for irssi and utf8 in the past
12:17 post-factum 2016, and still unicode troubles...
12:18 _ndevos post-factum: try again?
12:18 misc post-factum: I expect to be called for unicode trouble after my retirement
12:18 misc that's my plan, so please stop pushing too fast for fixes, my life savings depend on it
12:18 post-factum and hagarth reverting broken commits before release: (╯°□°)╯︵ ┻━┻
12:18 post-factum better?
12:19 nixpanic_ here yes... in irssi+tmux
12:19 nixpanic_ that is irssi-0.8.15-16.el7.x86_64
12:19 _ndevos yeah, "screen -U" does it!
12:20 _ndevos with irssi-0.8.15-5.el6.x86_64
12:20 _ndevos misc++ post-factum++ thanks for testing and ideas :D
12:20 glusterbot _ndevos: misc's karma is now 20
12:20 glusterbot _ndevos: post-factum's karma is now 9
12:20 post-factum =))
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13:12 kkeithley ndevos: if you can use the same Change-Id as the original patch.   ??? I don't understand this.
13:13 ndevos kkeithley: the Change-Id that Gerrit adds to commits can be used in multiple branches, it makes it easy to find backports of a change
13:13 ndevos kkeithley: it actually should be done automatically when you "git cherry-pick $COMMIT" from the master branch to release-3.7
13:14 kkeithley oh, well, yes. If I had used git cherry-pick this time. I didn't think to do that this time. :-/
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13:29 ndevos kkeithley: "git cherry-pick $COMMIT && git commit --amend" works pretty well for me, I would not think about doing it an other way
13:30 kkeithley sure. I just don't always remember to do it that way.
13:30 ndevos hmm, is today "let's connect on LinkedIn day"?
13:30 kkeithley maybe for you.
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13:31 ndevos lpabon: !
13:31 lpabon ndevos: buenos dias :)
13:32 ndevos lpabon: watched your plbcache video yesterday, a shame I could not attend your talk
13:32 lpabon np I wish lfvault would have recorded the others
13:32 ndevos yeah, but it is great you recorded yours
13:33 ndevos lpabon: I wanted to ask, if you can compared pblcache with fscache?
13:33 lpabon i created a contraption to hold my phone :)
13:33 ndevos lol
13:34 lpabon the simplest difference is that pblcache is meant as a user-space block cache, while fscache, afaik, is a kernel space cache based on the page cache
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13:34 lpabon pblcache is supposed to be used by block IO which does not use the kernel, like librbd or libgfapi or some other application like a db
13:35 ndevos right, block-io vs page-cache
13:35 ndevos but gfapi does not use blocks either...
13:35 lpabon yeah, but from QEMU point of view
13:36 lpabon gfapi is a "block" io ;)
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13:36 ndevos sure, I'm just wondering if we could integrate some existing client-side caching as a gluster xlator
13:36 lpabon hmm, maybe
13:37 ndevos I guess pblcache could do it? but I/O would not be block aligned
13:37 lpabon it is definitely harder because of the metadata to maintain the (file,block) tuple, but it is definitely something that can be achieved
13:38 ndevos an other option is to check if fscache/cachefilesd can expose a user-space api
13:38 lpabon yeah true
13:38 lpabon since pblcache cache is block based, variable byte based updates could be harder to cache
13:38 ndevos fscache ties the cache to an inode, that feels pretty natural to me
13:39 lpabon yeah, i would definitely try to see if fscache can be used with FUSE-gluster
13:39 lpabon i've never tried it
13:39 ndevos okay, so pblcache would definitely live in QEMU and other 'block devices' that can build on gfapi
13:40 ndevos nah, fuse does not support fscache, unfortunately
13:40 lpabon bummer
13:40 ndevos and that would only address the actual fuse mounts too, not any of the gfapi applications
13:40 lpabon that would be great if it did
13:40 lpabon true
13:41 ndevos yeah, we've been doing some work to get fscache support in fuse, but it is far from trivial
13:41 lpabon gfapi would need pbycache -- the byte version of pblcache ;-)
13:41 ndevos hehe
13:46 ndevos lpabon: do you know of any other projects that provide a cache component that we might want to integrate?
13:47 lpabon not in user space
13:47 lpabon not that i know of
13:47 ndevos hmm, ok, thanks
13:47 lpabon i only know of bcache, dm-cache, fscache, and pblcache
13:47 ndevos yeah, me too
13:48 lpabon oh yeah and flashcache
13:48 lpabon from facebook
13:48 ndevos yes, right
14:02 post-factum enhanceio
14:02 lpabon post-factum: right! based on flashcache
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14:11 kkeithley rpmbuild not found?  On a jenkins RHEL6 rpmbuild machine?  Inconceivable
14:15 post-factum lpabon: used enhanceio several years ago. even committed smth to it. but after submitting it to lkml and getting it rejected everything was abandoned, afaik
14:17 lpabon post-factum: bummer
14:17 ndevos kkeithley: care to review http://review.gluster.org/14035 ?
14:19 kkeithley I did already. I agreed with Rajesh that all methods and cbks should have the same prefix.  Then you made every method and cbk static (which was good) but you didn't change the prefix. :-(
14:20 ndevos kkeithley: uh, I did add the gf_ prefix?
14:20 ndevos kkeithley: well, for the FOPs and their _cbk that is
14:21 ndevos misc: slave29 is not installed completely yet? missing rpmbuild as mentioned by https://build.gluster.org/job/glusterfs-devrpms-el6/15482/console
14:22 misc ndevos: guess that's one more package that was not in the list of package needed :)
14:23 kkeithley okay, I didn't look far enough into the patch. My bad
14:23 ndevos misc: yeah, I guess so, does the list include mock?
14:24 misc ndevos: https://github.com/gluster/gluster.org_ansible_configuration/blob/master/roles/jenkins_builder/tasks/pkgs.yml seems not
14:24 misc mhhh
14:24 misc for mock, this is done in another file
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14:25 misc yeah, mock is here
14:26 ndevos ok, thanks for checking
14:26 misc I am adding the missing rpm
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15:36 misc mhh, so there is no -Werror anymore on freebsd, and now code is showing error
15:36 misc /tmp/misc/glusterfs/libglusterfs/src/syncop.c:1025:33: error: cast from pointer to integer of different size [-Werror=pointer-to-int-cast] (unsigned int) lock->owner_tid);
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16:37 misc so, is rfc.sh deprecated ? I get a error message when I try to use it
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16:39 misc ok so it was just me using a wrong git config
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16:46 kkeithley misc: you should also have fixed the other 'pthread_self () ==' at line 1015.
16:48 kkeithley and we do like to review patches before they get rammed through. ;-)
16:50 misc kkeithley: I did push to the git repo ?
16:50 misc (like, I tought I was pushing to gerrit :/ )
16:51 misc kkeithley: I see I pushed the 2nd change here: http://review.gluster.org/#/c/14064/
16:51 misc mhh, change have been pushed :/
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16:52 misc kkeithley: sorry, I do not know how I did, it was my intention to have it review and built
16:52 misc (and I figured that I wouldn't be able to push directly anyway)
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16:56 misc kkeithley: should I revert ?
16:56 misc (it seems that I tought i was on a branch, but instead was on master, so my git push went to master and not the branch :/ )
17:10 kkeithley Use the rfc.sh script at the top of the source tree to submit to gerrit.
17:10 kkeithley I don't think it's worth reverting at this point.
17:11 misc well, i did use rfc.sh
17:11 misc the first time
17:11 kkeithley Use the rfc.sh script at the top of the source tree to submit to gerrit. That's all you have to do.  I did see it in gerrit, but then it was pushed to git and the gerrit tests aborted.
17:11 misc then i tought this was like github and I could push again to update :/
17:12 misc but that bother me that someone can push a unreviewed change
17:12 kkeithley git commit -a --amend after making a 2nd change, then use rfc.sh again
17:13 kkeithley I thought we have (had) ACLs to prevent just anyone from pushing changes.  Only maintainers are supposed to be able to push changes
17:14 kkeithley not worth losing sleep over this time.
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17:15 misc I guess me being admin bypass the changes
17:15 misc anyway, i was trying to fix build on freebsd with -Werror
17:16 misc but the code printing thread id cannot be made portable
17:16 misc (even if I doubt HP UX is on the near future target, unless time start to flow backward)
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19:23 hagarth kkeithley, misc: any consensus on the patches that were pushed to github directly?
19:24 misc mhh, they shouldn't, that would break the sync :/
19:24 hagarth misc: so gerrit does not have the patch atm right?
19:24 hagarth misc: shall I revert that patch in github?
19:25 misc hagarth: which patch, the one I push ?
19:25 misc because I pushed it on gerrit, just on the wrong branch
19:25 hagarth misc: yes
19:25 misc hagarth: I think kkeithley is right, reverting would cause more trouble
19:25 misc I will be more careful next time :/
19:26 hagarth misc: ok, no worries
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