We cannot distinguish between legitimate ghosts and mis-threaded
messages before commit 83425ef12e4b65cdcecd11ddcb38175d4a91d5a0
("searchidx: deal with empty In-Reply-To and References headers")
so we must rebuild the index in parallel to fix it.
---
lib/PublicInbox/Search.pm | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/lib/PublicInbox/Search.pm b/lib/PublicInbox/Search.pm
index c909424..8c72fa1 100644
--- a/lib/PublicInbox/Search.pm
+++ b/lib/PublicInbox/Search.pm
@@ -39,7 +39,9 @@ use constant {
# 10 - optimize doc for NNTP overviews
# 11 - merge threads when vivifying ghosts
# 12 - change YYYYMMDD value column to numeric
- SCHEMA_VERSION => 12,
+ # 13 - fix threading for empty References/In-Reply-To
+ # (commit 83425ef12e4b65cdcecd11ddcb38175d4a91d5a0)
+ SCHEMA_VERSION => 13,
# n.b. FLAG_PURE_NOT is expensive not suitable for a public website
# as it could become a denial-of-service vector
--
EW
