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  5 2017-03-13T00:47:39  <bitcoin-git> [bitcoin] maaku opened pull request #9981: Bloom: Consider witness script pushes in bloom filter check. (master...segwit-bloom-filter) https://github.com/bitcoin/bitcoin/pull/9981
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 14 2017-03-13T01:41:29  <Hisham> Hello ?
 15 2017-03-13T01:42:13  <Hisham> Any core developer online please ?
 16 2017-03-13T01:48:44  <sipa> maybe!
 17 2017-03-13T01:49:18  <bitcoin-git> [bitcoin] maaku closed pull request #9981: Bloom: Consider witness script pushes in bloom filter check. (master...segwit-bloom-filter) https://github.com/bitcoin/bitcoin/pull/9981
 18 2017-03-13T01:49:49  <Hisham> Pieter Wuille
 19 2017-03-13T01:50:13  <Hisham> At first, it's my pleasure to talk to you :)
 20 2017-03-13T01:50:44  <Hisham> If you don't mind, I would like to discuss something with you regarding SegWit UASF
 21 2017-03-13T01:51:09  <Hisham> Can we talk please ?
 22 2017-03-13T01:53:00  <BlueMatt> dear god, dont ask to ask, just ask
 23 2017-03-13T01:53:17  <Hisham> :S
 24 2017-03-13T01:53:33  <Hisham> Guys, I know you are nice to people, c'mon, what happened ?
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 26 2017-03-13T01:54:17  <Hisham> Maybe you are busy or something, does politeness and taking permission is considered a crime nowadays ?
 27 2017-03-13T01:54:59  <BlueMatt> it is generally discouraged on irc
 28 2017-03-13T01:55:09  <BlueMatt> text-based communication is slow enough already :(
 29 2017-03-13T01:55:34  <Hisham> Ok I see and understand, no problem :)
 30 2017-03-13T01:55:47  <BlueMatt> engineers, you know
 31 2017-03-13T01:56:09  <Hisham> Here is one as well, Mechanical and a CNC programmer :)
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 33 2017-03-13T01:57:08  <Hisham> I was going to be a colleague, but I had a nasty doctor who let me hate CS, Java to be precise.
 34 2017-03-13T01:57:42  <gmaxwell> google for "don't ask to ask"-- beyond being wasteful, it's considered rude because it asks people to commit to an open ended conversation which they may not be interested in when they know the details.
 35 2017-03-13T01:58:39  <gmaxwell> as far as your question, all the discussion on that has been on the mailing list, I don't think anyone here has been involved in it (though perhaps I'm incorrect, as I haven't been following it)
 36 2017-03-13T01:59:06  <sipa> Hisham: just ask whatever you want to ask
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 38 2017-03-13T01:59:31  <Hisham> Thanks for the clarification Gregory.
 39 2017-03-13T01:59:48  <Hisham> But guys, for God sake take it easy on me.
 40 2017-03-13T01:59:51  *** grubles_ is now known as grubles
 41 2017-03-13T02:00:06  <sipa> yes, get to the point :)
 42 2017-03-13T02:00:18  <Hisham> I will.
 43 2017-03-13T02:02:11  <Hisham> I'm a normal old Bitcoiner since the days of CPU and browser mining but I've got highly involved at 2014, I've read a lot about Bitcoin and you can I'm my life is oriented to it for many reasons.
 44 2017-03-13T02:02:22  *** dodomojo_ has quit IRC
 45 2017-03-13T02:03:34  <Hisham> When I saw the blocksize debate, I felt that I can't stand on the sidelines and try to help or at least understand and engage in conversations, maybe I can do something for all the BS happening around us.
 46 2017-03-13T02:04:17  <achow101> Hisham: please just ask your question. none of this preamble is necessary. I hate to break it to you, but no one cares about your backstory. Please just get straight to the point and ask your question.
 47 2017-03-13T02:05:08  <Hisham> No problem, I understand, sorry.
 48 2017-03-13T02:06:39  <Hisham> As some of you may witness, Shaloin Fry made what we can call a SegWit UASF.
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 50 2017-03-13T02:07:05  <Hisham> As I understand, it needs consensus, if I'm not mistaken.
 51 2017-03-13T02:07:34  <Hisham> How can we get this implemented if there is a chance for it to be implemented ?
 52 2017-03-13T02:08:00  <sipa> no politics here, please
 53 2017-03-13T02:08:10  <BlueMatt> Hisham: if you want a UASF to happen, go start talking to the community - talk to businesses and users
 54 2017-03-13T02:08:15  <BlueMatt> such things are not for us to decide
 55 2017-03-13T02:09:11  <BlueMatt> Hisham: relevant is bluematt.bitcoin.ninja/2017/02/28/bitcoin-trustlessness/ (and also #bitcoin, not really #bitcoin-core-dev)
 56 2017-03-13T02:09:19  * BlueMatt does the shameless-self-promotion dance
 57 2017-03-13T02:09:58  <Hisham> I understand, but from technical POV, is there a chance for intergation ?
 58 2017-03-13T02:10:06  <Hisham> *integration ?
 59 2017-03-13T02:10:11  <sipa> implementing it is absolutely trivial
 60 2017-03-13T02:10:20  <sipa> the only question is whether we should
 61 2017-03-13T02:10:35  <sipa> and generally the answer to that is "if it's clearly uncontroversial"
 62 2017-03-13T02:10:36  <BlueMatt> i believe code was already written, as for people actually using that code....<BlueMatt> such things are not for us to decide
 63 2017-03-13T02:11:46  <Hisham> Pieter, may you elaborate more please on this "if it's clearly uncontroversial"
 64 2017-03-13T02:11:52  <Hisham> ?
 65 2017-03-13T02:12:07  <BlueMatt> maybe this is a better topic for #bitcoin, its not really a development topic
 66 2017-03-13T02:12:34  <Hisham> Ok, since I'm not welcomed form the beginning.
 67 2017-03-13T02:12:49  <BlueMatt> Hisham: I'm happy to go discuss it further on #bitcoin
 68 2017-03-13T02:13:26  <Hisham> Ok, can we talk there now please along with Pieter ?
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 92 2017-03-13T05:57:48  <bitcoin-git> [bitcoin] laanwj pushed 3 new commits to master: https://github.com/bitcoin/bitcoin/compare/7e58b41bd7ce...f8a709161f37
 93 2017-03-13T05:57:49  <bitcoin-git> bitcoin/master e007b24 Matt Corallo: Fix shutdown hang with >= 8 -addnodes set...
 94 2017-03-13T05:57:49  <bitcoin-git> bitcoin/master 819b513 Matt Corallo: Add missing braces in semaphore posts in net
 95 2017-03-13T05:57:50  <bitcoin-git> bitcoin/master f8a7091 Wladimir J. van der Laan: Merge #9953: Fix shutdown hang with >= 8 -addnodes set...
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 97 2017-03-13T05:58:11  <bitcoin-git> [bitcoin] laanwj closed pull request #9953: Fix shutdown hang with >= 8 -addnodes set (master...2017-03-exit-with-addnode) https://github.com/bitcoin/bitcoin/pull/9953
 98 2017-03-13T06:01:58  <bitcoin-git> [bitcoin] laanwj pushed 3 new commits to master: https://github.com/bitcoin/bitcoin/compare/f8a709161f37...afcd7c0e52d8
 99 2017-03-13T06:01:59  <bitcoin-git> bitcoin/master af61d9f Russell Yanofsky: Add COutput::fSafe member for safe handling of unconfirmed outputs...
100 2017-03-13T06:02:00  <bitcoin-git> bitcoin/master dcf2112 NicolasDorier: Add safe flag to listunspent result
101 2017-03-13T06:02:00  <bitcoin-git> bitcoin/master afcd7c0 Wladimir J. van der Laan: Merge #9830: Add safe flag to listunspent result...
102 2017-03-13T06:02:17  <bitcoin-git> [bitcoin] laanwj closed pull request #9830: Add safe flag to listunspent result (master...listunspenttrusted) https://github.com/bitcoin/bitcoin/pull/9830
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110 2017-03-13T06:45:13  <bitcoin-git> [bitcoin] laanwj pushed 4 new commits to master: https://github.com/bitcoin/bitcoin/compare/afcd7c0e52d8...2cc0df1fcecc
111 2017-03-13T06:45:14  <bitcoin-git> bitcoin/master 0068361 Cory Fields: release: add win detached sig creator and our cert chain...
112 2017-03-13T06:45:14  <bitcoin-git> bitcoin/master f642753 Cory Fields: release: create a bundle for the new signing script...
113 2017-03-13T06:45:15  <bitcoin-git> bitcoin/master 09fe2d9 Cory Fields: release: update docs to show basic codesigning procedure
114 2017-03-13T06:45:27  <bitcoin-git> [bitcoin] laanwj closed pull request #9514: release: Windows signing script (master...win-signing-script) https://github.com/bitcoin/bitcoin/pull/9514
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117 2017-03-13T06:49:07  <bitcoin-git> [bitcoin] laanwj pushed 5 new commits to master: https://github.com/bitcoin/bitcoin/compare/2cc0df1fcecc...fa99663bec1d
118 2017-03-13T06:49:08  <bitcoin-git> bitcoin/master fd5e905 Matt Corallo: Make verify-commits.sh non-recursive
119 2017-03-13T06:49:08  <bitcoin-git> bitcoin/master 8ed849f Matt Corallo: Fix travis failing to fetch keys from the sks keyserver pool...
120 2017-03-13T06:49:09  <bitcoin-git> bitcoin/master efc06c2 Matt Corallo: If GNU sha512sum is missing, try perl shasum in verify-commits
121 2017-03-13T06:49:27  <bitcoin-git> [bitcoin] laanwj closed pull request #9940: Fix verify-commits on OSX, update for new bad Tree-SHA512, point travis to different keyservers (master...2017-03-verify-commits-no-recursion) https://github.com/bitcoin/bitcoin/pull/9940
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145 2017-03-13T08:53:56  <bitcoin-git> [bitcoin] laanwj opened pull request #9983: tests: Convert selected tests to using named RPC arguments (master...2017_03_rpc_tests_named_arguments) https://github.com/bitcoin/bitcoin/pull/9983
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222 2017-03-13T13:43:51  <bitcoin-git> [bitcoin] laanwj pushed 3 new commits to master: https://github.com/bitcoin/bitcoin/compare/fa99663bec1d...8040ae6fc576
223 2017-03-13T13:43:52  <bitcoin-git> bitcoin/master 3b092bd Wladimir J. van der Laan: util: Properly handle errors during log message formatting...
224 2017-03-13T13:43:53  <bitcoin-git> bitcoin/master b651270 Wladimir J. van der Laan: util: Throw tinyformat::format_error on formatting error...
225 2017-03-13T13:43:53  <bitcoin-git> bitcoin/master 8040ae6 Wladimir J. van der Laan: Merge #9963: util: Properly handle errors during log message formatting...
226 2017-03-13T13:44:15  <bitcoin-git> [bitcoin] laanwj closed pull request #9963: util: Properly handle errors during log message formatting (master...2017_03_handle_exception_tinyformat) https://github.com/bitcoin/bitcoin/pull/9963
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234 2017-03-13T14:12:30  <MarcoFalke_lab> wumpus: I think you need to enable the verify commits pre push hook.
235 2017-03-13T14:12:44  <MarcoFalke_lab> Alternatively, someone could fix the bug in github-merge
236 2017-03-13T14:12:51  <wumpus> which bug?
237 2017-03-13T14:13:24  <MarcoFalke_lab> It will calculate the hash of the files in the working directory, instead of the ones in git
238 2017-03-13T14:14:13  <wumpus> right, that should be fixed
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241 2017-03-13T14:16:09  <wumpus> without that it's kind of useless and we should disable the hashing completely
242 2017-03-13T14:16:32  <wumpus> seems easy enough to do though, just request the data from git
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244 2017-03-13T14:17:27  <MarcoFalke_lab> Why not do the hard reset early? I mean at some point the script does the hard reset anyway, so the data is lost regardless
245 2017-03-13T14:17:51  <wumpus> it shouldn't do any hard resets
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247 2017-03-13T14:18:11  <MarcoFalke_lab> https://github.com/bitcoin/bitcoin/blob/master/contrib/devtools/github-merge.py#L290
248 2017-03-13T14:18:50  <wumpus> okay, yeah I don't really like that solution. It should hash what is in git, not what is in the current working directory
249 2017-03-13T14:19:47  <MarcoFalke_lab> ok, fine.
250 2017-03-13T14:19:59  <wumpus> otherwise there's always a window for races
251 2017-03-13T14:20:36  <MarcoFalke_lab> jup, it is the cleaner solution.
252 2017-03-13T14:21:44  <wumpus> working on it now - apparently ls-files gives the blob ids, that can be passed as-is to git cat-file
253 2017-03-13T14:22:36  <BlueMatt> wumpus: yes, iirc that was annoying but i dont remember why now....verify-commits does cat-file $COMMIT_ID:$FILE_PATH
254 2017-03-13T14:23:17  <wumpus> BlueMatt: ah, that likely works just as well
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256 2017-03-13T14:24:04  <BlueMatt> wumpus: if you can get it to work some other way, though, use that...I kinda liked how merge did the hashes via checkout and verify-commits used a different approach, but it really doesnt matter all that much
257 2017-03-13T14:24:52  * BlueMatt doesnt have to deal with the merge script, so I get to argue for it to be harder to use all day long with no repurcussions, though :P
258 2017-03-13T14:25:25  <wumpus> well how the sha is computed doesn't affect how hard it is to use, it does affect whether the output is correct, which is arguably very important
259 2017-03-13T14:25:35  <BlueMatt> indeed
260 2017-03-13T14:26:14  * BlueMatt is ok with the sha being less likely to match, if that also means its more likely to trip up if something strange happens (symlink detection gets broken, etc)
261 2017-03-13T14:26:41  <BlueMatt> anyway, this is too inconsequential to nitpick over :P
262 2017-03-13T14:27:19  <wumpus> I'm kind of annoyed at travis tripping up all the time though, if that keeps happening I'll hvae to disable the verify-commits check there. SO let's please just get it working
263 2017-03-13T14:27:30  <BlueMatt> i think it should be good now
264 2017-03-13T14:27:41  <BlueMatt> it failed a number of times just downloading the pubkeys because the sks pool was broken
265 2017-03-13T14:27:52  <BlueMatt> but we changed to subset which appears to possibly be more stable
266 2017-03-13T14:28:01  <BlueMatt> i do not believe we have otherwise failed in some time
267 2017-03-13T14:28:17  <BlueMatt> hmmm, no, failed again this morning
268 2017-03-13T14:28:21  <BlueMatt> I'll go take a look
269 2017-03-13T14:28:43  <wumpus> according to MarcoFalke_lab it failed due to my merge script miscomputing the SHA
270 2017-03-13T14:28:52  <MarcoFalke_lab> BlueMatt: It used the 'old' server url
271 2017-03-13T14:29:10  <MarcoFalke_lab> The other failure was due to the wrong sha
272 2017-03-13T14:29:10  <BlueMatt> that was once, looks like it also once failed to retreive pubkeys
273 2017-03-13T14:29:11  <BlueMatt> wtf
274 2017-03-13T14:29:26  <BlueMatt> how did it do that? it now points to subset???
275 2017-03-13T14:29:45  <MarcoFalke_lab> BlueMatt: IIRC the subset-patch was not merged at that time
276 2017-03-13T14:30:03  <BlueMatt> yes it was, the very top commit failed and the second-to-top merge was the subset change
277 2017-03-13T14:30:11  <wumpus> what subset patch?
278 2017-03-13T14:30:12  <BlueMatt> im super confused
279 2017-03-13T14:30:26  <BlueMatt> wumpus: part of #9940 was to change the server gpg fetches the keys from
280 2017-03-13T14:30:28  <gribble> https://github.com/bitcoin/bitcoin/issues/9940 | Fix verify-commits on OSX, update for new bad Tree-SHA512, point travis to different keyservers by TheBlueMatt · Pull Request #9940 · bitcoin/bitcoin · GitHub
281 2017-03-13T14:30:47  <wumpus> ok, confusing
282 2017-03-13T14:30:48  <MarcoFalke_lab> Right
283 2017-03-13T14:31:00  <MarcoFalke_lab> Probably just a travis network hickup
284 2017-03-13T14:31:09  <petertodd> BlueMatt: why not have the merge script get the pubkeys from the repo itself?
285 2017-03-13T14:31:23  <BlueMatt> MarcoFalke_lab: no, look at the build, it tried to fetch from pool., not subset.pool.
286 2017-03-13T14:31:43  <BlueMatt> petertodd: yea, I think thats the next step, I was thinking subset might help, but...
287 2017-03-13T14:31:56  <BlueMatt> still need to do a --refresh-keys
288 2017-03-13T14:32:02  <BlueMatt> but need a backup
289 2017-03-13T14:32:23  <petertodd> BlueMatt: better to make the whole thing deterministic; if verify commits doesn't run because a key is missing, fix that!
290 2017-03-13T14:33:07  <BlueMatt> oh, no, I'm wrong, github is listing me commits out of order
291 2017-03-13T14:33:08  <BlueMatt> wtf
292 2017-03-13T14:33:46  <wumpus> yes it does that, it uses a stupid sort ordering for commits
293 2017-03-13T14:34:04  <wumpus> by date instead of chronologically according to the repo
294 2017-03-13T14:34:04  <BlueMatt> oh, ok, yes, the failure occurred before the subset merge, and then another afterwards due to bad sha512
295 2017-03-13T14:34:23  <BlueMatt> wumpus: well i was only looking at merge commits, i think github actually just had a hiccup
296 2017-03-13T14:35:17  <BlueMatt> anyway, I restarted the build on the >=8 -addnode fix merge, which should pass this time, if there are any non-sha512-related failures we'll switch to pulling keys from in-repo
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305 2017-03-13T14:52:38  <wumpus> argh, git cat-file blob <blob> is slow compared to the current script
306 2017-03-13T14:54:24  <wumpus> oh it can work in batch mode, that's cool
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309 2017-03-13T14:54:52  <BlueMatt> wumpus: its hella slow
310 2017-03-13T14:54:56  <BlueMatt> like, insanely slow
311 2017-03-13T14:55:16  <wumpus> also in batch mode? I think the overhead right now is spawning a process for every file
312 2017-03-13T14:55:40  <BlueMatt> hmm, not sure, didnt try, but you need to separate out different files for our current hash format
313 2017-03-13T14:56:38  <wumpus> it prints a header per file
314 2017-03-13T14:56:40  <wumpus> "84e7eb60d70d9fae3bdaae7f04f9f08fecaf2052 blob 150829"
315 2017-03-13T14:56:48  <BlueMatt> ahh, ok
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317 2017-03-13T15:06:09  <wumpus> ooh it's fast in batch mode
318 2017-03-13T15:07:25  <BlueMatt> argh, great, now i need to make verify-commits use batch mode
319 2017-03-13T15:07:35  <BlueMatt> :P
320 2017-03-13T15:15:10  <bitcoin-git> [bitcoin] laanwj opened pull request #9984: devtools: Make github-merge compute SHA512 from git, instead of worktree (master...2017_03_merge_hash_git) https://github.com/bitcoin/bitcoin/pull/9984
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333 2017-03-13T16:45:06  <bitcoin-git> [bitcoin] NicolasDorier opened pull request #9985: [QT] Show more descriptive label for pay to yourself entries (master...watchonlylabel) https://github.com/bitcoin/bitcoin/pull/9985
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367 2017-03-13T20:35:05  <gmaxwell> Apparently IBD on 0.14 OOMs on 2GB (at least on an odroid c2, as expirenced by sipa and someone on reddit); due to the mempool loaning allowing it to achieve peak memory at IBD rather than sometime later.
368 2017-03-13T20:35:20  <gmaxwell> I suppose it's better to crash during IBD rather than later...
369 2017-03-13T20:39:54  <achow101> gmaxwell: someone has reported that in an issue and on bitcointalk too
370 2017-03-13T20:40:41  <gmaxwell> achow101: well the answer for them right now is to lower their dbcache/maxmempool, I recommended 150/150.
371 2017-03-13T20:41:01  <gmaxwell> It's not really a regression in 0.14, the same devices would eventually crash with 0.13.x, just later.
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373 2017-03-13T20:46:08  <sipa> well, not necessarily, but they would with -dbcache=600
374 2017-03-13T20:46:26  <sipa> so we've effectively just raised the default dbcache during IBD
375 2017-03-13T20:51:05  <gmaxwell> sipa: say dbcache is 300, and mempool is 300.. eventually dbcache will be full and mempool will be full.... sooo similar peak memory usage, no?
376 2017-03-13T20:51:23  <gmaxwell> (or would you argue that because the leveldb batch can result in 2x memory, that we should be adding half the mempool to the dbcache?)
377 2017-03-13T20:56:09  <sipa> gmaxwell: right, that's what i'm saying
378 2017-03-13T20:56:24  <sipa> with 300 MB dbcache + 300 MB mempool, you can use up to 900 MB at flush time
379 2017-03-13T20:56:37  <sipa> with 600 MB dbcache + 0 MB mempool, you can use up to 1200 MB at flush time
380 2017-03-13T20:57:22  <gmaxwell> so perhaps a patch we should do quickly and backport is to add half the unused memory to the dbcache.  Can you see if that would make your odroid c2 successfully sync?
381 2017-03-13T20:57:31  <sipa> BUT, we should probably halve the -dbcache setting as well, because someone who configures 2300 MB of dbcache does not expect the application to suddenly use 4600 MB, regardless of mempool borrowing
382 2017-03-13T20:57:50  <gmaxwell> hm. so perhaps half the units, double the default?
383 2017-03-13T20:57:58  <gmaxwell> halve*
384 2017-03-13T20:58:17  <sipa> or just fix leveldb to not require the whole batch to be stored in a single std::string.
385 2017-03-13T20:58:36  <gmaxwell> yea, but would we backport that for 0.14.1?
386 2017-03-13T20:58:47  <sipa> depends on how trivial it is, i think
387 2017-03-13T20:59:00  <gmaxwell> (I think we need to do something for 0.14.1 but it could be something dumb like halving the mempool loan)
388 2017-03-13T21:00:03  <sipa> yeah, that would fix the 'unexpectedness' of the memory loaning
389 2017-03-13T21:00:10  <sipa> but not the incorrectness of the estimate
390 2017-03-13T21:03:21  <luke-jr> is there a reason to use dbcache post-sync?
391 2017-03-13T21:04:06  <sipa> yes, much faster block verification
392 2017-03-13T21:04:52  <sipa> even with sigcache
393 2017-03-13T21:06:20  <luke-jr> but why not commit it after each post-sync block immediately?
394 2017-03-13T21:06:33  <luke-jr> it doesn't grow that much from just one block, does it?
395 2017-03-13T21:06:43  <sipa> it can grow by 20 MB or so from one block
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397 2017-03-13T21:07:11  <sipa> and flushing slows down future blocks
398 2017-03-13T21:07:16  <luke-jr> hmm
399 2017-03-13T21:08:24  <sipa> with per-txout caching, the max (and typical) growth of the cache per block will be much less
400 2017-03-13T21:08:36  <gmaxwell> much (most?) of dbcache's gains come from avoiding writes entirely for utxo that never need to make it to disk.
401 2017-03-13T21:08:42  <sipa> indeed.
402 2017-03-13T21:09:05  <sipa> though avoiding writes can always be moved out of the critical path of block validation
403 2017-03-13T21:09:31  <sipa> in synced state, it still prevents recent utxos from needing to be read from disk
404 2017-03-13T21:12:50  <nemgun> Hello guys, thank you for 0.14, i am resyncing, and it uses far less CPU
405 2017-03-13T21:12:54  <luke-jr> sipa: aside from validation, that's probably useful for external tools accessing them via RPC?
406 2017-03-13T21:13:45  <sipa> luke-jr: i believe gettxout will use the cache
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408 2017-03-13T21:14:00  <sipa> luke-jr: gettxoutsetinfo always flushes to disk, and then iterates over the leveldb state
409 2017-03-13T21:16:10  <TD-Linux> <gmaxwell> I suppose it's better to crash during IBD rather than later... <- yeah though super annoying when pruning.
410 2017-03-13T21:19:15  <gmaxwell> oh my we should probably only be pruning after sync flushes.
411 2017-03-13T21:20:57  <jouke> w/win 24
412 2017-03-13T21:21:01  <jouke> >_<
413 2017-03-13T21:21:38  <sipa> gmaxwell: we do
414 2017-03-13T21:21:49  <sipa> pruning always triggers a flush
415 2017-03-13T21:25:07  <TD-Linux> sipa, were you pruning on your c2? if so did you hit https://github.com/bitcoin/bitcoin/issues/9001
416 2017-03-13T21:25:30  <sipa> TD-Linux: i'm not pruning (yet)
417 2017-03-13T21:25:38  <sipa> 128GB microsd card ftw
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429 2017-03-13T22:44:47  <luke-jr> I wonder if there's a safe way to catch bad_alloc, drop dbcache/mempool stuff, and resume cleanly?
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439 2017-03-13T23:40:42  <bitcoin-git> [bitcoin] practicalswift opened pull request #9987: Remove unused code (master...remove-unused-code) https://github.com/bitcoin/bitcoin/pull/9987
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