X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FSearchIdxPart.pm;h=e5766a825ed511af4518d77fc556a3711efb65de;hb=35ff6bb106909b1c1232666a9792156dfa398ea8;hp=e37887a766920a539ca0ea8d5f9d5e2f652aa8f8;hpb=e3e3a42344a5543e0143149b9fb212272dfbc18d;p=public-inbox.git diff --git a/lib/PublicInbox/SearchIdxPart.pm b/lib/PublicInbox/SearchIdxPart.pm index e37887a7..e5766a82 100644 --- a/lib/PublicInbox/SearchIdxPart.pm +++ b/lib/PublicInbox/SearchIdxPart.pm @@ -6,9 +6,18 @@ use warnings; use base qw(PublicInbox::SearchIdx); sub new { - my ($class, $v2writable, $part, $threader) = @_; + my ($class, $v2writable, $part) = @_; my $self = $class->SUPER::new($v2writable->{-inbox}, 1, $part); - $self->{threader} = $threader; + # create the DB before forking: + $self->_xdb_acquire; + $self->_xdb_release; + $self->{over} = $v2writable->{over}; + $self->spawn_worker($v2writable, $part) if $v2writable->{parallel}; + $self; +} + +sub spawn_worker { + my ($self, $v2writable, $part) = @_; my ($r, $w); pipe($r, $w) or die "pipe failed: $!\n"; binmode $r, ':raw'; @@ -18,64 +27,80 @@ sub new { if ($pid == 0) { $v2writable->atfork_child; $v2writable = undef; - close $w; + close $w or die "failed to close: $!"; # F_SETPIPE_SZ = 1031 on Linux; increasing the pipe size here # speeds V2Writable batch imports across 8 cores by nearly 20% fcntl($r, 1031, 1048576) if $^O eq 'linux'; - eval { partition_worker_loop($self, $r) }; + eval { partition_worker_loop($self, $r, $part) }; die "worker $part died: $@\n" if $@; die "unexpected MM $self->{mm}" if $self->{mm}; exit; } $self->{pid} = $pid; $self->{w} = $w; - close $r; - $self; + close $r or die "failed to close: $!"; } -sub partition_worker_loop ($$) { - my ($self, $r) = @_; - my $xdb = $self->_xdb_acquire; - $xdb->begin_transaction; - my $txn = 1; +sub partition_worker_loop ($$$) { + my ($self, $r, $part) = @_; + $0 = "pi-v2-partition[$part]"; + $self->begin_txn_lazy; while (my $line = $r->getline) { if ($line eq "commit\n") { - $xdb->commit_transaction if $txn; - $txn = undef; + $self->commit_txn_lazy; } elsif ($line eq "close\n") { $self->_xdb_release; - $xdb = $txn = undef; + } elsif ($line eq "barrier\n") { + $self->commit_txn_lazy; + print { $self->{over}->{w} } "barrier $part\n" or + die "write failed to overview $!\n"; + } elsif ($line =~ /\AD ([a-f0-9]{40,}) (.+)\n\z/s) { + my ($oid, $mid) = ($1, $2); + $self->begin_txn_lazy; + $self->remove_by_oid($oid, $mid); } else { chomp $line; - my ($len, $artnum, $object_id) = split(/ /, $line); - $xdb ||= $self->_xdb_acquire; - if (!$txn) { - $xdb->begin_transaction; - $txn = 1; - } + my ($len, $artnum, $oid, $mid0) = split(/ /, $line); + $self->begin_txn_lazy; my $n = read($r, my $msg, $len) or die "read: $!\n"; $n == $len or die "short read: $n != $len\n"; my $mime = PublicInbox::MIME->new(\$msg); - $self->index_blob($mime, $len, $artnum, $object_id); + $artnum = int($artnum); + $self->add_message($mime, $n, $artnum, $oid, $mid0); } } - warn "$$ still in transaction\n" if $txn; - warn "$$ xdb active\n" if $xdb; + $self->worker_done; } # called by V2Writable sub index_raw { - my ($self, $len, $msgref, $artnum, $object_id) = @_; - my $w = $self->{w}; - print $w "$len $artnum $object_id\n", $$msgref or die - "failed to write partition $!\n"; - $w->flush or die "failed to flush: $!\n"; + my ($self, $bytes, $msgref, $artnum, $oid, $mid0, $mime) = @_; + if (my $w = $self->{w}) { + print $w "$bytes $artnum $oid $mid0\n", $$msgref or die + "failed to write partition $!\n"; + $w->flush or die "failed to flush: $!\n"; + } else { + $$msgref = undef; + $self->begin_txn_lazy; + $self->add_message($mime, $bytes, $artnum, $oid, $mid0); + } } sub atfork_child { close $_[0]->{w} or die "failed to close write pipe: $!\n"; } +# called by V2Writable: +sub remote_barrier { + my ($self) = @_; + if (my $w = $self->{w}) { + print $w "barrier\n" or die "failed to print: $!"; + $w->flush or die "failed to flush: $!"; + } else { + $self->commit_txn_lazy; + } +} + 1;