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* [PATCH 6/7] v2writable: don't verify tip if reindexing
  2020-12-25 10:21  5% [PATCH 0/7] index + extindex interaction improvements Eric Wong
@ 2020-12-25 10:21  7% ` Eric Wong
  0 siblings, 0 replies; 2+ results
From: Eric Wong @ 2020-12-25 10:21 UTC (permalink / raw)
  To: meta

We only rely on git-rev-parse to resolve symbolic names ("HEAD")
to a SHA-* git commit ID.  We'll assume any git commit IDs we
get from SQLite DBs are valid and let "git-log" fail if it
isn't.
---
 lib/PublicInbox/V2Writable.pm | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/lib/PublicInbox/V2Writable.pm b/lib/PublicInbox/V2Writable.pm
index ca52874b..f20b5c7f 100644
--- a/lib/PublicInbox/V2Writable.pm
+++ b/lib/PublicInbox/V2Writable.pm
@@ -1104,12 +1104,14 @@ sub sync_prepare ($$) {
 		-d $git_dir or next; # missing epochs are fine
 		my $git = PublicInbox::Git->new($git_dir);
 		my $unit = { git => $git, epoch => $i };
+		my $tip;
 		if ($reindex_heads) {
-			$head = $reindex_heads->[$i] or next;
+			$tip = $head = $reindex_heads->[$i] or next;
+		} else {
+			$tip = $git->qx(qw(rev-parse -q --verify), $head);
+			next if $?; # new repo
+			chomp $tip;
 		}
-		chomp(my $tip = $git->qx(qw(rev-parse -q --verify), $head));
-		next if $?; # new repo
-
 		my $range = log_range($sync, $unit, $tip) or next;
 		# can't use 'rev-list --count' if we use --diff-filter
 		$pr->("$pfx $i.git counting $range ... ") if $pr;

^ permalink raw reply related	[relevance 7%]

* [PATCH 0/7] index + extindex interaction improvements
@ 2020-12-25 10:21  5% Eric Wong
  2020-12-25 10:21  7% ` [PATCH 6/7] v2writable: don't verify tip if reindexing Eric Wong
  0 siblings, 1 reply; 2+ results
From: Eric Wong @ 2020-12-25 10:21 UTC (permalink / raw)
  To: meta

Some things which make -index less painful when auto-updating
external indices.

"public-inbox-extindex --all" itself is still painfully slow
with 50K inboxes, but I think that can only be used once for
initialization and -index can be relied on for all incremental
updates.


Eric Wong (7):
  index: disable --fast-noop on --reindex
  extsearchidx: delay SQLite availability checks
  extsearchidx: close DB handles after use if FD constrained
  index: do not attach inbox to extindex unless updated
  index: fix --no-fsync flag propagation to extindex
  v2writable: don't verify tip if reindexing
  index: filter out indexlevel=basic from extindex

 lib/PublicInbox/Admin.pm        |  1 +
 lib/PublicInbox/ExtSearchIdx.pm | 96 +++++++++++++++++++++------------
 lib/PublicInbox/SearchIdx.pm    |  2 +
 lib/PublicInbox/V2Writable.pm   | 36 +++++++++----
 script/public-inbox-index       | 27 ++++++----
 5 files changed, 109 insertions(+), 53 deletions(-)


^ permalink raw reply	[relevance 5%]

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2020-12-25 10:21  5% [PATCH 0/7] index + extindex interaction improvements Eric Wong
2020-12-25 10:21  7% ` [PATCH 6/7] v2writable: don't verify tip if reindexing Eric Wong

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