diff options
| author | Eric Wong <e@80x24.org> | 2021-09-19 12:50:26 +0000 |
|---|---|---|
| committer | Eric Wong <e@80x24.org> | 2021-09-19 19:52:48 +0000 |
| commit | 46001a7685f11cfe2b9263b0eb38478c8e951585 (patch) | |
| tree | 02f29067755ce1430290bce777fb4073abf2dd54 /lib | |
| parent | ee355020415fbbebbeb8fbe79be4e4f3fa2e657b (diff) | |
| download | public-inbox-46001a7685f11cfe2b9263b0eb38478c8e951585.tar.gz | |
"All" my CPUs is only 4, but it's probably ridiculous for somebody with a 16-core system to have 16 processes for accessing SQLite DBs. We do the same thing in Pmdir for parallel Maildir access (and V2Writable).
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/PublicInbox/LeiImportKw.pm | 4 | ||||
| -rw-r--r-- | lib/PublicInbox/LeiNoteEvent.pm | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/lib/PublicInbox/LeiImportKw.pm b/lib/PublicInbox/LeiImportKw.pm index 2863d17f..379101c2 100644 --- a/lib/PublicInbox/LeiImportKw.pm +++ b/lib/PublicInbox/LeiImportKw.pm @@ -11,7 +11,9 @@ use parent qw(PublicInbox::IPC); sub new { my ($cls, $lei) = @_; my $self = bless { -wq_ident => 'lei import_kw worker' }, $cls; - my ($op_c, $ops) = $lei->workers_start($self, $self->detect_nproc); + my $j = $self->detect_nproc // 4; + $j = 4 if $j > 4; + my ($op_c, $ops) = $lei->workers_start($self, $j); $op_c->{ops} = $ops; # for PktOp->event_step $self->{lei_sock} = $lei->{sock}; $lei->{ikw} = $self; diff --git a/lib/PublicInbox/LeiNoteEvent.pm b/lib/PublicInbox/LeiNoteEvent.pm index 5f692e75..a0591a09 100644 --- a/lib/PublicInbox/LeiNoteEvent.pm +++ b/lib/PublicInbox/LeiNoteEvent.pm @@ -80,8 +80,9 @@ sub lei_note_event { my $self = $cfg->{-lei_note_event} //= do { my $wq = bless { lms => $lms }, __PACKAGE__; # MUAs such as mutt can trigger massive rename() storms so - # use all CPU power available: + # use some CPU, but don't overwhelm slower storage, either my $jobs = $wq->detect_nproc // 1; + $jobs = 4 if $jobs > 4; # same default as V2Writable my ($op_c, $ops) = $lei->workers_start($wq, $jobs); $lei->wait_wq_events($op_c, $ops); note_event_arm_done($lei); |