extindex: rename var: active => active_shards

We also have the idea of active inboxes, too, so "active shards"
ought to make the purpose of the data structure more obvious.

1 files changed, 4 insertions, 4 deletions

diff --git a/lib/PublicInbox/ExtSearchIdx.pm b/lib/PublicInbox/ExtSearchIdx.pm
index 8da98ba4..64cd8641 100644
--- a/lib/PublicInbox/ExtSearchIdx.pm
+++ b/lib/PublicInbox/ExtSearchIdx.pm
@@ -434,7 +434,7 @@ DELETE FROM over WHERE num > 0 AND num NOT IN (SELECT docid FROM xref3)
 SELECT MIN(num) FROM over WHERE num > 0
 EOM
         $cur // return; # empty
-        my ($r, $n, %active);
+        my ($r, $n, %active_shards);
         $nr = 0;
         while (1) {
                 $r = $self->{oidx}->dbh->selectcol_arrayref(<<"", undef, $cur);
@@ -445,15 +445,15 @@ SELECT num FROM over WHERE num >= ? ORDER BY num ASC LIMIT 10000
                         for my $i ($cur..($n - 1)) {
                                 my $idx = idx_shard($self, $i);
                                 $idx->ipc_do('xdb_remove_quiet', $i);
-                                $active{$idx} = $idx;
+                                $active_shards{$idx} = $idx;
                         }
                         $cur = $n + 1;
                 }
                 if (checkpoint_due($sync)) {
-                        for my $idx (values %active) {
+                        for my $idx (values %active_shards) {
                                 $nr += $idx->ipc_do('nr_quiet_rm')
                         }
-                        %active = ();
+                        %active_shards = ();
                         reindex_checkpoint($self, $sync);
                 }
         }