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-rw-r--r--lib/PublicInbox/LeiImportKw.pm4
-rw-r--r--lib/PublicInbox/LeiNoteEvent.pm3
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);