"text" and "reply" outputs are intended for the pager, so
parallelizing them is a waste of resources.
v2 has shards, of course, so parallelizing writes to it
is also a waste since the deduplication work is a bit
more complex.
---
lib/PublicInbox/LeiQuery.pm | 2 +-
lib/PublicInbox/LeiToMail.pm | 2 ++
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/PublicInbox/LeiQuery.pm b/lib/PublicInbox/LeiQuery.pm
index 3d0e5b144d3a..352ee60131aa 100644
--- a/lib/PublicInbox/LeiQuery.pm
+++ b/lib/PublicInbox/LeiQuery.pm
@@ -37,7 +37,7 @@ sub _start_query { # used by "lei q" and "lei up"
$lms->lms_write_prepare->lms_pause; # just create
}
}
- $l2m and $l2m->{-wq_nr_workers} = $mj //
+ $l2m and $l2m->{-wq_nr_workers} //= $mj //
int($nproc * 0.75 + 0.5); # keep some CPU for git
# descending docid order is cheapest, MUA controls sorting order
diff --git a/lib/PublicInbox/LeiToMail.pm b/lib/PublicInbox/LeiToMail.pm
index 83f58a29405b..90db30e53089 100644
--- a/lib/PublicInbox/LeiToMail.pm
+++ b/lib/PublicInbox/LeiToMail.pm
@@ -415,11 +415,13 @@ sub new {
require PublicInbox::LeiViewText;
$lei->{lvt} = PublicInbox::LeiViewText->new($lei, $fmt);
$self->{base_type} = 'text';
+ $self->{-wq_nr_workers} = 1; # for pager
@conflict = qw(mua save);
} elsif ($fmt eq 'v2') {
die "--dedupe=oid and v2 are incompatible\n" if
($lei->{opt}->{dedupe}//'') eq 'oid';
$self->{base_type} = 'v2';
+ $self->{-wq_nr_workers} = 1; # v2 has shards
$lei->{opt}->{save} = \1;
$dst = $lei->{ovv}->{dst} = $lei->abs_path($dst);
@conflict = qw(mua sort);
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