213700+ entries in 0.144s
mircea_popescu: in
this sense your house is broken design, randos could
tp it every hour.
mircea_popescu: we aren't actually following a purpose here, like "have a good bitcoin". we're merely proceeding from cause : db is broken and
THEREFORE must be fixed. not BECAUSE it would bla bla ; but
therefore.
a111: Logged on 2017-02-26 19:14 asciilifeform:
the 'type 2' (non-verification) blackhole goes right back
to
the fundamental question of 'something
to all comers', how much disk
thrashing does a derp get
to invoke simply by coming up with a not-yet-banned ip and a pseudonode.
a111: Logged on 2017-02-26 19:26 mircea_popescu: now
then : a fix for
the db would significantly improve a few classes of block verification delays ; and it would alleviate blackhole-like behaviour due
to
that, node's frozen checking a new block.
there's at least 3 different dos vectors for other nodes, and a)
the foregoing wouldn't help ; b) if it helped
the enemy could easily upregulate
the crapflood
to compensate.
mircea_popescu: and
then
the usual usgtards were all over "oh, wow, you broke it and
then you were "right on it and omg fixed it you're like power rangers" and so...
mircea_popescu: asciilifeform no,
this is
the one where
the idiot miners "updated" and
then
the update failed and
then usgavin gave
them some of
the bitcoin usg stole
to compensate for
the lost mining.
mircea_popescu: the one during
the original split with
the idiots who were
there baptised as power rangers
mircea_popescu: one's like "you were in a coma for
the past
thirty years, here's what happened
that you don't remember" ;
the other's like "you had a hallucinatory episode, your history for
the past x period is bad and you'll have
to rewrite it".
a111: Logged on 2016-12-19 18:18 ben_vulpes: asciilifeform: if martians produce longest chain with greatest difficulty i
think by
the rules of
the game
they own bitcoin
mircea_popescu: and
there's actually some benefit for
the network not even physically being capable
to accept reorgs deeper
than x.
mircea_popescu: yes, but blocks once written don't change.
that's
the non-rewritable part.
mircea_popescu: there is
that. i'm just saying, you can have nonrewritable media, whatevs.
mircea_popescu: if it works on ext4 it can be implemented on fucking
tape.
mircea_popescu: but
the reason it's mired in "first, experiment, profile" is because
this is EXACTLY
the sort of
thing which should
theoretically work out of
the box on a modern nix, and ABSOLUTELY never does, at all. central lizard fodder.
mircea_popescu: but i have nfi whether
this is even feasible, because
this'd be step 2, after
the "hey, what happens if you fill a disk with symlinks" EXPERIMENT returns some fucking results.
mircea_popescu: but your file = block (in
the fs sense) = block (in bitcoin sense)
mircea_popescu: there is
that. perhaps a better indexing scheme could be had. hence
the fucking symlinks
mircea_popescu: the other problem is
that a good db fix is a very large project, because bitcoin is written insanely. and our fs db isn't moving, last i heard a month ago someone was going
to
try and profile an extx
☟︎ mircea_popescu: now
then : a fix for
the db would significantly improve a few classes of block verification delays ; and it would alleviate blackhole-like behaviour due
to
that, node's frozen checking a new block.
there's at least 3 different dos vectors for other nodes, and a)
the foregoing wouldn't help ; b) if it helped
the enemy could easily upregulate
the crapflood
to compensate.
☟︎ mircea_popescu: and i'll point out
that
the problem here isn't
the work, or
the
thought, but
the fucking packaging. you get overexcited and oversignal. it detracts from very valuable stuff.
mircea_popescu: which can be briefly summarized as "alf : omg all blackhole is disk wait for db ; mp :
thatr's a factor,
there's more" repeated a dozen
times.
a111: Logged on 2016-12-29 23:20 asciilifeform:
type2 ( pete_dushenski's ) is
the garden variety shitflood. which is sometimes solved by ip ban, but only in
the case of 'shrapnel addressed
to occupant', i.e. idiot prb nodes wildly spamming crapolade, and not in
the 'bullet with your name on it' case, where somebody actually has a sybil constellation drowning your
trb node in liquishit, with no SINGLE ip misbehaving in any way
mircea_popescu: and
this isn't
the first
time we run into
the problem of ... let's call
them sloppy run "experiments". but
the second,
this week.
mircea_popescu: you just said
this ; yourself ; above. in discussing "type 1" you are engaging in pure nytimes-ism.
mircea_popescu: "i observed something on
three blocks on one machine and here's
the 100% conclusion ;
tune in
tomorrow for another one
that a) fails
to reference how i was wrong yesterday or address why and b) offer another 100% plus measures
to be
taken" is entirely undistinguishable.
mircea_popescu: the problem with prb is
that it's run by a specific sort of retard.
a111: Logged on 2017-02-24 22:24 asciilifeform:
there are no substantial 'other large parts', detectably
mircea_popescu: "ProcessBlock (res == 1)
took : 167839ms; db write wait: 130117ms; db read wait: 21201ms" lelz
phf: since
then fixed on btcbase
a111: Logged on 2016-12-03 01:35 phf:
http://btcbase.org/log/2016-09-28#1549612 << so normal action is ^AACTION ... ^A,
turns
that when
the line is
too long it gets cut off (which is normal behavior) but in case of action none of client seem
to do
the regular split, meanwhile
the irc server cutsoff
terminating ^A, which breaks most parsers (including mine)
mircea_popescu: also, apparently
trump will not invite un security council
to wh gagglemeets either. nor
the correspondents dinner.
mircea_popescu: also cnnleaks.com if anyone still somehow gives a shit about
the fake media orgs.
mircea_popescu: "A 17-year-old
transgender boy won a
Texas state girls wrestling
title on Saturday".
mircea_popescu: provisioning nodes on
the basis of "the minimum number needed" is insanity.
a111: Logged on 2017-02-25 23:39 mircea_popescu: you could, in
theory.