IRC logs for #buildstream for Tuesday, 2019-06-04

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jennisjuergbi, it looks like sorting by the depth hasn't introduced any slowdowns, I've posted some benchmarks here: https://gitlab.com/BuildStream/buildstream/merge_requests/1344#note_177638654 please let me know if you think the discussion is resolved08:38
jennis(this discussion: https://gitlab.com/BuildStream/buildstream/merge_requests/1344#note_177267201)08:38
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benschubertWSalmon: are you around?09:39
WSalmonbenschubert, yep09:42
gitlab-br-botdanielsilverstone-ct approved MR !1370 (bschubert/optimize-node_get->master: Optimize _yaml.node_get) on buildstream https://gitlab.com/BuildStream/buildstream/merge_requests/137009:44
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gitlab-br-botBenjaminSchubert opened MR !1371 (bschubert/cythonize-valid-char-names->master: _loader/loader: cythonize valid_chars_name) on buildstream https://gitlab.com/BuildStream/buildstream/merge_requests/137110:00
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jennishas marge kicked it again?10:37
phildawson_It does look that way.10:43
jennis😤10:43
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gitlab-br-botmarge-bot123 merged MR !1370 (bschubert/optimize-node_get->master: Optimize _yaml.node_get) on buildstream https://gitlab.com/BuildStream/buildstream/merge_requests/137010:46
Kinnisontriumph?10:47
tpollardxD10:47
phildawson_\o/10:47
jennisKinnison, a poorly named emoji10:47
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jennisI asked for marge to be restarted again, looks like that worked10:48
Kinnisonso triumph :D10:48
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benschubertwe are not using ostree at all in the artifactcache correct? Any message mentioning that would be wrong, true?12:46
tpollardsounds wrong to me12:47
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benschubertok, I'll clear mentions of ostree there then, thanks!12:48
tpollardis this from tests?12:50
benschubertyes12:50
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lachlanI've put logging into one of the benchmark tests and it seems to have significantly changed the result for the worse - is this a known issue?13:22
lachlanFurther information can be found at https://gitlab.com/BuildStream/benchmarks/issues/5213:22
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tpollardit's adding extra work, so I wouldn't find it surprising that it's added an overhead13:44
juergbilachlan: --log-file outputs log messages additionally to the log file. for non-interactive mode I'd rather redirect stdout/stderr and skip --log-file13:44
lachlanjuergbi: Strangely it doesn't seem to affect other tests (to the same degree) logged in exactly the same way (e.g. the bstgen test we have which has a far higher logging loading than the default benchmark). Redirecting  as you suggest might introduce a number of issues into benchmarking, but it is perhaps something that needs revisiting.13:50
juergbithe logging overhead might impact scheduling differently for different element graph shapes13:51
lachlanPossibly, it certainly doesn't seem to scale with the fundamental level of output.13:53
lachlanI will revert in the case of the default benchmarking test (to prevent further corruption) and review the approach to see if some other redirection approach will work.13:56
lachlanjuergbi: Thanks13:56
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gitlab-br-botjennis opened MR !1372 (jennis/load_sometimes_overworks->master: Don't overwork in load when we don't need too) on buildstream https://gitlab.com/BuildStream/buildstream/merge_requests/137216:37
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jennis!1344 has all discussions resolved now and there are some pretty substantial gains for it. One thing that's not perfect is that we're setting Element._depth (depth within the current session's dependency graph), obviously not an inherent property of Element,  but we're unsure of how we could alternatively do this, see: https://gitlab.com/BuildStrea16:51
jennism/buildstream/merge_requests/1344#note_177267201 for more information. If anyone feels strongly against this or has a better suggestion please let me know!16:51
gitlab-br-botMR !1344: Push based pipeline https://gitlab.com/BuildStream/buildstream/merge_requests/134416:51
jennis(tristan I thought this might particularly interest you)16:52
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benschubertDo we have a good way for linking to the BuildStream doc from a plugin's docs?18:14
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