X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FSearchIdxShard.pm;h=ee176e504298dd5e1b1685c94dd5bcfc53d38f14;hb=95bdac7f09c69036efed537a4d03d5bdd2ae4eb6;hp=15ec6578e67ee9190a246d27e40677ca233f8b2e;hpb=0ffd4a9833da64006d558ef241badfef3c096d1b;p=public-inbox.git

diff --git a/lib/PublicInbox/SearchIdxShard.pm b/lib/PublicInbox/SearchIdxShard.pm
index 15ec6578..ee176e50 100644
--- a/lib/PublicInbox/SearchIdxShard.pm
+++ b/lib/PublicInbox/SearchIdxShard.pm
@@ -1,4 +1,4 @@
-# Copyright (C) 2018 all contributors <meta@public-inbox.org>
+# Copyright (C) 2018-2020 all contributors <meta@public-inbox.org>
 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
 
 # used to interface with a single Xapian shard in V2 repos.
@@ -7,6 +7,7 @@ package PublicInbox::SearchIdxShard;
 use strict;
 use warnings;
 use base qw(PublicInbox::SearchIdx);
+use IO::Handle (); # autoflush
 
 sub new {
 	my ($class, $v2writable, $shard) = @_;
@@ -19,23 +20,23 @@ sub new {
 }
 
 sub spawn_worker {
-	my ($self, $v2writable, $shard) = @_;
+	my ($self, $v2w, $shard) = @_;
 	my ($r, $w);
 	pipe($r, $w) or die "pipe failed: $!\n";
 	binmode $r, ':raw';
 	binmode $w, ':raw';
+	$w->autoflush(1);
 	my $pid = fork;
 	defined $pid or die "fork failed: $!\n";
 	if ($pid == 0) {
-		my $bnote = $v2writable->atfork_child;
-		$v2writable = undef;
+		my $bnote = $v2w->atfork_child;
 		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 { shard_worker_loop($self, $r, $shard, $bnote) };
+		eval { shard_worker_loop($self, $v2w, $r, $shard, $bnote) };
 		die "worker $shard died: $@\n" if $@;
 		die "unexpected MM $self->{mm}" if $self->{mm};
 		exit;
@@ -45,18 +46,12 @@ sub spawn_worker {
 	close $r or die "failed to close: $!";
 }
 
-sub shard_worker_loop ($$$$) {
-	my ($self, $r, $shard, $bnote) = @_;
+sub shard_worker_loop ($$$$$) {
+	my ($self, $v2w, $r, $shard, $bnote) = @_;
 	$0 = "pi-v2-shard[$shard]";
-	my $current_info = '';
-	my $warn_cb = $SIG{__WARN__} || sub { print STDERR @_ };
-	local $SIG{__WARN__} = sub {
-		chomp $current_info;
-		$warn_cb->("[$shard] $current_info: ", @_);
-	};
 	$self->begin_txn_lazy;
 	while (my $line = $r->getline) {
-		$current_info = $line;
+		$v2w->{current_info} = "[$shard] $line";
 		if ($line eq "commit\n") {
 			$self->commit_txn_lazy;
 		} elsif ($line eq "close\n") {
@@ -90,7 +85,6 @@ sub index_raw {
 	if (my $w = $self->{w}) {
 		print $w "$bytes $artnum $oid $mid0\n", $$msgref or die
 			"failed to write shard $!\n";
-		$w->flush or die "failed to flush: $!\n";
 	} else {
 		$$msgref = undef;
 		$self->begin_txn_lazy;
@@ -107,7 +101,6 @@ sub remote_barrier {
 	my ($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;
 	}