mirror of
https://git.savannah.gnu.org/git/parallel.git
synced 2024-12-22 20:57:53 +00:00
Fixed bug --pipe --linebuffer --round does not distribute if the consumer is fast.
This commit is contained in:
Ole Tange
parent
1dd2d6a601
commit
dce64026cc
252
src/parallel
252
src/parallel
|
|
@ -471,39 +471,46 @@ sub nindex {
|
|||
return $i;
|
||||
}
|
||||
|
||||
sub round_robin_write {
|
||||
# Input:
|
||||
# $header_ref = ref to $header string
|
||||
# $block_ref = ref to $block to be written
|
||||
# $recstart = record start string
|
||||
# $recend = record end string
|
||||
# $endpos = end position of $block
|
||||
# Uses:
|
||||
# %Global::running
|
||||
my ($header_ref,$block_ref,$recstart,$recend,$endpos) = @_;
|
||||
my $something_written = 0;
|
||||
my $block_passed = 0;
|
||||
my $sleep = 1;
|
||||
while(not $block_passed) {
|
||||
# Continue flushing existing buffers
|
||||
# until one is empty and a new block is passed
|
||||
while(my ($pid,$job) = each %Global::running) {
|
||||
if($job->stdin_buffer_length() > 0) {
|
||||
$something_written += $job->non_block_write();
|
||||
} else {
|
||||
$job->set_stdin_buffer($header_ref,$block_ref,$endpos,$recstart,$recend);
|
||||
$block_passed = 1;
|
||||
$job->set_virgin(0);
|
||||
$something_written += $job->non_block_write();
|
||||
last;
|
||||
}
|
||||
}
|
||||
$sleep = ::reap_usleep($sleep);
|
||||
}
|
||||
start_more_jobs();
|
||||
return $something_written;
|
||||
}
|
||||
{
|
||||
my @robin_queue;
|
||||
|
||||
sub round_robin_write {
|
||||
# Input:
|
||||
# $header_ref = ref to $header string
|
||||
# $block_ref = ref to $block to be written
|
||||
# $recstart = record start string
|
||||
# $recend = record end string
|
||||
# $endpos = end position of $block
|
||||
# Uses:
|
||||
# %Global::running
|
||||
my ($header_ref,$block_ref,$recstart,$recend,$endpos) = @_;
|
||||
my $something_written = 0;
|
||||
my $block_passed = 0;
|
||||
my $sleep = 1;
|
||||
while(not $block_passed) {
|
||||
# Continue flushing existing buffers
|
||||
# until one is empty and a new block is passed
|
||||
# Make a queue to spread the blocks evenly
|
||||
if(not @robin_queue) {
|
||||
push @robin_queue, values %Global::running;
|
||||
}
|
||||
while(my $job = shift @robin_queue) {
|
||||
if($job->stdin_buffer_length() > 0) {
|
||||
$something_written += $job->non_block_write();
|
||||
} else {
|
||||
$job->set_stdin_buffer($header_ref,$block_ref,$endpos,$recstart,$recend);
|
||||
$block_passed = 1;
|
||||
$job->set_virgin(0);
|
||||
$something_written += $job->non_block_write();
|
||||
last;
|
||||
}
|
||||
}
|
||||
$sleep = ::reap_usleep($sleep);
|
||||
}
|
||||
# start_more_jobs();
|
||||
return $something_written;
|
||||
}
|
||||
}
|
||||
|
||||
sub write_record_to_pipe {
|
||||
# Fork then
|
||||
|
|
@ -608,7 +615,7 @@ sub options_hash {
|
|||
"keep-order|keeporder|k" => \$opt::keeporder,
|
||||
"group" => \$opt::group,
|
||||
"g" => \$opt::retired,
|
||||
"ungroup|u" => \$opt::u,
|
||||
"ungroup|u" => \$opt::ungroup,
|
||||
"linebuffer|linebuffered|line-buffer|line-buffered" => \$opt::linebuffer,
|
||||
"tmux" => \$opt::tmux,
|
||||
"null|0" => \$opt::0,
|
||||
|
|
@ -780,7 +787,6 @@ sub parse_options {
|
|||
$Global::infinity = 2**31;
|
||||
$Global::debug = 0;
|
||||
$Global::verbose = 0;
|
||||
$Global::grouped = 1;
|
||||
$Global::quoting = 0;
|
||||
# Read only table with default --rpl values
|
||||
%Global::replace =
|
||||
|
|
@ -832,8 +838,6 @@ sub parse_options {
|
|||
$Global::shell = $ENV{'PARALLEL_SHELL'} || parent_shell($$) || $ENV{'SHELL'} || "/bin/sh";
|
||||
if(defined $opt::X) { $Global::ContextReplace = 1; }
|
||||
if(defined $opt::silent) { $Global::verbose = 0; }
|
||||
if(defined $opt::group) { $Global::grouped = 1; }
|
||||
if(defined $opt::u) { $Global::grouped = 0; }
|
||||
if(defined $opt::0) { $/ = "\0"; }
|
||||
if(defined $opt::d) { my $e="sprintf \"$opt::d\""; $/ = eval $e; }
|
||||
if(defined $opt::p) { $Global::interactive = $opt::p; }
|
||||
|
|
@ -944,7 +948,7 @@ sub parse_options {
|
|||
$opt::jobs = 1;
|
||||
}
|
||||
if(not defined $opt::group) {
|
||||
$Global::grouped = 0;
|
||||
$opt::ungroup = 0;
|
||||
}
|
||||
}
|
||||
if(@opt::trc) {
|
||||
|
|
@ -1564,13 +1568,13 @@ sub enough_file_handles {
|
|||
# Check that we have enough filehandles available for starting
|
||||
# another job
|
||||
# Uses:
|
||||
# $Global::grouped
|
||||
# $opt::ungroup
|
||||
# %Global::fd
|
||||
# Returns:
|
||||
# 1 if ungrouped (thus not needing extra filehandles)
|
||||
# 0 if too few filehandles
|
||||
# 1 if enough filehandles
|
||||
if($Global::grouped) {
|
||||
if(not $opt::ungroup) {
|
||||
my %fh;
|
||||
my $enough_filehandles = 1;
|
||||
# perl uses 7 filehandles for something?
|
||||
|
|
@ -2576,7 +2580,7 @@ sub onall {
|
|||
join(" ",
|
||||
((defined $opt::jobs) ? "-P $opt::jobs" : ""),
|
||||
((defined $opt::linebuffer) ? "--linebuffer" : ""),
|
||||
((defined $opt::u) ? "-u" : ""),
|
||||
((defined $opt::ungroup) ? "-u" : ""),
|
||||
((defined $opt::group) ? "-g" : ""),
|
||||
((defined $opt::keeporder) ? "--keeporder" : ""),
|
||||
((defined $opt::D) ? "-D $opt::D" : ""),
|
||||
|
|
@ -2585,7 +2589,7 @@ sub onall {
|
|||
);
|
||||
my $suboptions =
|
||||
join(" ",
|
||||
((defined $opt::u) ? "-u" : ""),
|
||||
((defined $opt::ungroup) ? "-u" : ""),
|
||||
((defined $opt::linebuffer) ? "--linebuffer" : ""),
|
||||
((defined $opt::group) ? "-g" : ""),
|
||||
((defined $opt::files) ? "--files" : ""),
|
||||
|
|
@ -5027,7 +5031,7 @@ sub openoutputfiles {
|
|||
}
|
||||
$self->set_fh(1,"unlink","");
|
||||
$self->set_fh(2,"unlink","");
|
||||
} elsif($Global::grouped) {
|
||||
} elsif(not $opt::ungroup) {
|
||||
# To group we create temporary files for STDOUT and STDERR
|
||||
# To avoid the cleanup unlink the files immediately (but keep them open)
|
||||
if(@Global::tee_jobs) {
|
||||
|
|
@ -5075,7 +5079,7 @@ sub openoutputfiles {
|
|||
$self->set_fh($fdno,'r',$fdr);
|
||||
$self->set_fh($fdno,'rpid',$rpid);
|
||||
}
|
||||
} elsif($Global::grouped) {
|
||||
} elsif(not $opt::ungroup) {
|
||||
# Set reading FD if using --group (--ungroup does not need)
|
||||
for my $fdno (1,2) {
|
||||
# Re-open the file for reading
|
||||
|
|
@ -5838,7 +5842,7 @@ sub start {
|
|||
open OUT, '>&', $stdout_fh or ::die_bug("Can't redirect STDOUT: $!");
|
||||
open ERR, '>&', $stderr_fh or ::die_bug("Can't dup STDOUT: $!");
|
||||
|
||||
if(($opt::dryrun or $Global::verbose) and not $Global::grouped) {
|
||||
if(($opt::dryrun or $Global::verbose) and $opt::ungroup) {
|
||||
if($Global::verbose <= 1) {
|
||||
print $stdout_fh $job->replaced(),"\n";
|
||||
} else {
|
||||
|
|
@ -6017,15 +6021,17 @@ sub print {
|
|||
if($opt::pipe and $self->virgin()) {
|
||||
# Skip --joblog, --dryrun, --verbose
|
||||
} else {
|
||||
if($Global::joblog) { $self->print_joblog() }
|
||||
if($Global::joblog and defined $self->{'exitstatus'}) {
|
||||
# Add to joblog when finished
|
||||
$self->print_joblog();
|
||||
}
|
||||
|
||||
# Printing is only relevant for grouped output.
|
||||
$Global::grouped or return;
|
||||
# Printing is only relevant for grouped/--line-buffer output.
|
||||
$opt::ungroup and return;
|
||||
# Check for disk full
|
||||
exit_if_disk_full();
|
||||
my $command = $self->wrapped();
|
||||
|
||||
if(($opt::dryrun or $Global::verbose) and $Global::grouped
|
||||
if(($opt::dryrun or $Global::verbose)
|
||||
and
|
||||
not $self->{'verbose_printed'}) {
|
||||
$self->{'verbose_printed'}++;
|
||||
|
|
@ -6033,7 +6039,7 @@ sub print {
|
|||
print STDOUT $self->replaced(),"\n";
|
||||
} else {
|
||||
# Verbose level > 1: Print the rsync and stuff
|
||||
print STDOUT $command,"\n";
|
||||
print STDOUT $self->wrapped(),"\n";
|
||||
}
|
||||
# If STDOUT and STDERR are merged,
|
||||
# we want the command to be printed first
|
||||
|
|
@ -6058,7 +6064,8 @@ sub print {
|
|||
close $self->fh($fdno,"w");
|
||||
close $in_fh;
|
||||
if($opt::pipe and $self->virgin()) {
|
||||
# Nothing was printed to this job: # cleanup unused tmp files if --files was set
|
||||
# Nothing was printed to this job:
|
||||
# cleanup unused tmp files if --files was set
|
||||
for my $fdno (1,2) {
|
||||
unlink $self->fh($fdno,"name");
|
||||
unlink $self->fh($fdno,"unlink");
|
||||
|
|
@ -6068,74 +6075,7 @@ sub print {
|
|||
}
|
||||
} elsif($opt::linebuffer) {
|
||||
# Line buffered print out
|
||||
my $partial = \$self->{'partial_line',$fdno};
|
||||
if(defined $self->{'exitstatus'}) {
|
||||
# If the job is dead: close printing fh. Needed for --compress
|
||||
close $self->fh($fdno,"w");
|
||||
if($opt::compress && $opt::linebuffer) {
|
||||
# Blocked reading in final round
|
||||
$Global::use{"Fcntl"} ||= eval "use Fcntl qw(:DEFAULT :flock); 1;";
|
||||
for my $fdno (1,2) {
|
||||
my $fdr = $self->fh($fdno,'r');
|
||||
my $flags;
|
||||
fcntl($fdr, &F_GETFL, $flags) || die $!; # Get the current flags on the filehandle
|
||||
$flags &= ~&O_NONBLOCK; # Remove non-blocking to the flags
|
||||
fcntl($fdr, &F_SETFL, $flags) || die $!; # Set the flags on the filehandle
|
||||
}
|
||||
}
|
||||
}
|
||||
# This seek will clear EOF
|
||||
seek $in_fh, tell($in_fh), 0;
|
||||
# The read is non-blocking: The $in_fh is set to non-blocking.
|
||||
# 32768 --tag = 5.1s
|
||||
# 327680 --tag = 4.4s
|
||||
# 1024000 --tag = 4.4s
|
||||
# 3276800 --tag = 4.3s
|
||||
# 32768000 --tag = 4.7s
|
||||
# 10240000 --tag = 4.3s
|
||||
while(read($in_fh,substr($$partial,length $$partial),3276800)) {
|
||||
# Append to $$partial
|
||||
# Find the last \n
|
||||
my $i = rindex($$partial,"\n");
|
||||
if($i != -1) {
|
||||
# One or more complete lines were found
|
||||
if($fdno == 2 and not $self->{'printed_first_line',$fdno}++) {
|
||||
# OpenSSH_3.6.1p2 gives 'tcgetattr: Invalid argument' with -tt
|
||||
# This is a crappy way of ignoring it.
|
||||
$$partial =~ s/^(client_process_control: )?tcgetattr: Invalid argument\n//;
|
||||
# Length of partial line has changed: Find the last \n again
|
||||
$i = rindex($$partial,"\n");
|
||||
}
|
||||
if($opt::tag or defined $opt::tagstring) {
|
||||
# Replace ^ with $tag within the full line
|
||||
my $tag = $self->tag();
|
||||
substr($$partial,0,$i+1) =~ s/^/$tag/gm;
|
||||
# Length of partial line has changed: Find the last \n again
|
||||
$i = rindex($$partial,"\n");
|
||||
}
|
||||
# Print up to and including the last \n
|
||||
print $out_fd substr($$partial,0,$i+1);
|
||||
# Remove the printed part
|
||||
substr($$partial,0,$i+1)="";
|
||||
}
|
||||
}
|
||||
if(defined $self->{'exitstatus'}) {
|
||||
# If the job is dead: print the remaining partial line
|
||||
# read remaining
|
||||
if($$partial and ($opt::tag or defined $opt::tagstring)) {
|
||||
my $tag = $self->tag();
|
||||
$$partial =~ s/^/$tag/gm;
|
||||
}
|
||||
print $out_fd $$partial;
|
||||
# Release the memory
|
||||
$$partial = undef;
|
||||
if($self->fh($fdno,"rpid") and CORE::kill 0, $self->fh($fdno,"rpid")) {
|
||||
# decompress still running
|
||||
} else {
|
||||
# decompress done: close fh
|
||||
close $in_fh;
|
||||
}
|
||||
}
|
||||
$self->linebuffer_print($fdno,$in_fh,$out_fd);
|
||||
} else {
|
||||
my $buf;
|
||||
close $self->fh($fdno,"w");
|
||||
|
|
@ -6179,6 +6119,80 @@ sub print {
|
|||
::debug("print", "<<joboutput @command\n");
|
||||
}
|
||||
|
||||
sub linebuffer_print {
|
||||
my $self = shift;
|
||||
my ($fdno,$in_fh,$out_fd) = @_;
|
||||
my $partial = \$self->{'partial_line',$fdno};
|
||||
|
||||
if(defined $self->{'exitstatus'}) {
|
||||
# If the job is dead: close printing fh. Needed for --compress
|
||||
close $self->fh($fdno,"w");
|
||||
if($opt::compress) {
|
||||
# Blocked reading in final round
|
||||
$Global::use{"Fcntl"} ||= eval "use Fcntl qw(:DEFAULT :flock); 1;";
|
||||
for my $fdno (1,2) {
|
||||
my $fdr = $self->fh($fdno,'r');
|
||||
my $flags;
|
||||
fcntl($fdr, &F_GETFL, $flags) || die $!; # Get the current flags on the filehandle
|
||||
$flags &= ~&O_NONBLOCK; # Remove non-blocking to the flags
|
||||
fcntl($fdr, &F_SETFL, $flags) || die $!; # Set the flags on the filehandle
|
||||
}
|
||||
}
|
||||
}
|
||||
# This seek will clear EOF
|
||||
seek $in_fh, tell($in_fh), 0;
|
||||
# The read is non-blocking: The $in_fh is set to non-blocking.
|
||||
# 32768 --tag = 5.1s
|
||||
# 327680 --tag = 4.4s
|
||||
# 1024000 --tag = 4.4s
|
||||
# 3276800 --tag = 4.3s
|
||||
# 32768000 --tag = 4.7s
|
||||
# 10240000 --tag = 4.3s
|
||||
while(read($in_fh,substr($$partial,length $$partial),3276800)) {
|
||||
# Append to $$partial
|
||||
# Find the last \n
|
||||
my $i = rindex($$partial,"\n");
|
||||
if($i != -1) {
|
||||
# One or more complete lines were found
|
||||
if($fdno == 2 and not $self->{'printed_first_line',$fdno}++) {
|
||||
# OpenSSH_3.6.1p2 gives 'tcgetattr: Invalid argument' with -tt
|
||||
# This is a crappy way of ignoring it.
|
||||
$$partial =~ s/^(client_process_control: )?tcgetattr: Invalid argument\n//;
|
||||
# Length of partial line has changed: Find the last \n again
|
||||
$i = rindex($$partial,"\n");
|
||||
}
|
||||
if($opt::tag or defined $opt::tagstring) {
|
||||
# Replace ^ with $tag within the full line
|
||||
my $tag = $self->tag();
|
||||
substr($$partial,0,$i+1) =~ s/^/$tag/gm;
|
||||
# Length of partial line has changed: Find the last \n again
|
||||
$i = rindex($$partial,"\n");
|
||||
}
|
||||
# Print up to and including the last \n
|
||||
print $out_fd substr($$partial,0,$i+1);
|
||||
# Remove the printed part
|
||||
substr($$partial,0,$i+1)="";
|
||||
}
|
||||
}
|
||||
if(defined $self->{'exitstatus'}) {
|
||||
# If the job is dead: print the remaining partial line
|
||||
# read remaining
|
||||
if($$partial and ($opt::tag or defined $opt::tagstring)) {
|
||||
my $tag = $self->tag();
|
||||
$$partial =~ s/^/$tag/gm;
|
||||
}
|
||||
print $out_fd $$partial;
|
||||
# Release the memory
|
||||
$$partial = undef;
|
||||
if($self->fh($fdno,"rpid") and CORE::kill 0, $self->fh($fdno,"rpid")) {
|
||||
# decompress still running
|
||||
} else {
|
||||
# decompress done: close fh
|
||||
close $in_fh;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
sub print_joblog {
|
||||
my $self = shift;
|
||||
my $cmd;
|
||||
|
|
|
|||
|
|
@ -34,6 +34,9 @@ echo '### test round-robin';
|
|||
echo '### bug #43600: --pipe --linebuffer --round does not work'
|
||||
seq 10000000000 | parallel --pipe --linebuffer --round cat | head
|
||||
|
||||
echo '### Check that 4 processes are really used'
|
||||
seq 1000000 | parallel -j4 --pipe --round --line-buf wc |sort
|
||||
|
||||
echo '### --version must have higher priority than retired options'
|
||||
$NICEPAR --version -g -Y -U -W -T | tail
|
||||
|
||||
|
|
|
|||
|
|
@ -13,7 +13,12 @@ echo 'ssh "$@"; echo "$@" >>/tmp/myssh2-run' >/tmp/myssh2
|
|||
chmod 755 /tmp/myssh1 /tmp/myssh2
|
||||
seq 1 100 | parallel --sshdelay 0.05 --sshlogin "/tmp/myssh1 $SSHLOGIN1,/tmp/myssh2 $SSHLOGIN2" -k echo
|
||||
|
||||
cat <<'EOF' | sed -e s/\$SERVER1/$SERVER1/\;s/\$SERVER2/$SERVER2/\;s/\$SSHLOGIN1/$SSHLOGIN1/\;s/\$SSHLOGIN2/$SSHLOGIN2/\;s/\$SSHLOGIN3/$SSHLOGIN3/ | parallel -vj2 -k -L1
|
||||
cat <<'EOF' | sed -e s/\$SERVER1/$SERVER1/\;s/\$SERVER2/$SERVER2/\;s/\$SSHLOGIN1/$SSHLOGIN1/\;s/\$SSHLOGIN2/$SSHLOGIN2/\;s/\$SSHLOGIN3/$SSHLOGIN3/ | parallel -vj1 -k -L1
|
||||
echo '### bug #41964: --controlmaster not seems to reuse OpenSSH connections to the same host'
|
||||
(parallel -S redhat9.tange.dk true ::: {1..20}; echo No --controlmaster - finish last) &
|
||||
(parallel -M -S redhat9.tange.dk true ::: {1..20}; echo With --controlmaster - finish first) &
|
||||
wait
|
||||
|
||||
echo '### --filter-hosts - OK, non-such-user, connection refused, wrong host'
|
||||
parallel --nonall --filter-hosts -S localhost,NoUser@localhost,154.54.72.206,"ssh 5.5.5.5" hostname
|
||||
|
||||
|
|
@ -29,9 +34,4 @@ echo '### test --filter-hosts with server w/o ssh, non-existing server'
|
|||
|
||||
echo '### Missing: test --filter-hosts proxied through the one host'
|
||||
|
||||
echo '### bug #41964: --controlmaster not seems to reuse OpenSSH connections to the same host'
|
||||
(parallel -S redhat9.tange.dk true ::: {1..20}; echo No --controlmaster - finish last) &
|
||||
(parallel -M -S redhat9.tange.dk true ::: {1..20}; echo With --controlmaster - finish first) &
|
||||
wait
|
||||
|
||||
EOF
|
||||
|
|
|
|||
|
|
@ -63,6 +63,13 @@ echo '### bug #43600: --pipe --linebuffer --round does not work'
|
|||
8
|
||||
9
|
||||
10
|
||||
echo '### Check that 4 processes are really used'
|
||||
### Check that 4 processes are really used
|
||||
seq 1000000 | parallel -j4 --pipe --round --line-buf wc |sort
|
||||
149797 149797 1048579
|
||||
235145 235145 1646016
|
||||
299593 299593 2097151
|
||||
315465 315465 2097150
|
||||
echo '### --version must have higher priority than retired options'
|
||||
### --version must have higher priority than retired options
|
||||
$NICEPAR --version -g -Y -U -W -T | tail
|
||||
|
|
|
|||
Loading…
Reference in a new issue