We don't need to load Xapian until we have a directory
which looks like a shard, otherwise we're wasting cycles
on memory when running short-lived processes.
---
lib/PublicInbox/V2Writable.pm | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index 513e9f23..b393b31f 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -75,11 +75,14 @@ sub count_shards ($) {
# Also, shard count may change while -watch is running
# due to "xcpdb --reshard"
if (-d $xpfx) {
- require PublicInbox::Search;
- PublicInbox::Search::load_xapian();
- my $XapianDatabase = $PublicInbox::Search::X{Database};
+ my $XapianDatabase;
foreach my $shard (<$xpfx/*>) {
-d $shard && $shard =~ m!/[0-9]+\z! or next;
+ $XapianDatabase //= do {
+ require PublicInbox::Search;
+ PublicInbox::Search::load_xapian();
+ $PublicInbox::Search::X{Database};
+ };
eval {
$XapianDatabase->new($shard)->close;
$n++;
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