diff options
| -rw-r--r-- | lib/PublicInbox/OverIdx.pm | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/PublicInbox/OverIdx.pm b/lib/PublicInbox/OverIdx.pm index acbf2c8d..cb15baad 100644 --- a/lib/PublicInbox/OverIdx.pm +++ b/lib/PublicInbox/OverIdx.pm @@ -21,8 +21,16 @@ use PublicInbox::Search; sub dbh_new { my ($self) = @_; my $dbh = $self->SUPER::dbh_new(1); + + # TRUNCATE reduces I/O compared to the default (DELETE) $dbh->do('PRAGMA journal_mode = TRUNCATE'); + + # 80000 pages (80MiB on SQLite <3.12.0, 320MiB on 3.12.0+) + # was found to be good in 2018 during the large LKML import + # at the time. This ought to be configurable based on HW + # and inbox size; I suspect it's overkill for many inboxes. $dbh->do('PRAGMA cache_size = 80000'); + create_tables($dbh); $dbh; } |