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From: Eric Wong <>
Subject: [PATCH 2/9] doc: lei-store-format: mail sync section, update IPC
Date: Tue, 26 Oct 2021 10:35:50 +0000	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

mail_sync.sqlite3 needs to be documented, and brings the IPC
section up-to-date while we're in the area.
 Documentation/lei-store-format.pod | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/Documentation/lei-store-format.pod b/Documentation/lei-store-format.pod
index 71aa72cb96e3..625c60f436a8 100644
--- a/Documentation/lei-store-format.pod
+++ b/Documentation/lei-store-format.pod
@@ -30,7 +30,6 @@ prevent them from being accidentally treated as a v2 inbox.
   $SHARD - Integer starting with 0 based on parallelism
-  - ipc.lock                        # lock file for internal lei IPC
   - local/$EPOCH.git                # normal bare git repositories
   - mail_sync.sqlite3               # sync state IMAP, Maildir, NNTP
@@ -66,11 +65,18 @@ stored in Xapian indices, volatile metadata is associated with
 the Xapian document, thus it is shared across different blobs of
 the "same" message.
+=head2 mail_sync.sqlite3
+This SQLite database maintained for bidirectional mapping of
+git blobs to IMAP UIDs, Maildir file names, and NNTP article numbers.
+It is also used for retrieving messages from Maildirs indexed by
 =head1 IPC
-When L<lei(1)> is run in daemon mode, L<flock(2)> is used on
-C<ipc.lock> is used to serialize writes to C<lei/store> across
-multiple internal lei workers while minimizing commits.
+L<lei-daemon(8)> communicates with the C<lei/store> process using
+L<unix(7)> C<SOCK_SEQPACKET> sockets.
 =head1 CAVEATS

  parent reply	other threads:[~2021-10-26 10:35 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-26 10:35 [PATCH 0/9] lei p2q: more capable than originally thought Eric Wong
2021-10-26 10:35 ` [PATCH 1/9] doc: tuning: additional notes for many inboxes Eric Wong
2021-10-26 10:35 ` Eric Wong [this message]
2021-10-26 10:35 ` [PATCH 3/9] eml: keep body if no headers are found Eric Wong
2021-10-26 10:35 ` [PATCH 4/9] lei q: enable expensive Xapian flags Eric Wong
2021-10-26 10:35 ` [PATCH 5/9] lei inspect: fix atfork hook Eric Wong
2021-10-26 10:35 ` [PATCH 6/9] lei: add net getopt spec to various commands Eric Wong
2021-10-26 10:35 ` [PATCH 7/9] lei p2q: use LeiInput for multi-patch series Eric Wong
2021-10-26 10:35 ` [PATCH 8/9] lei rm|tag: drop redundant mbox+net callbacks Eric Wong
2021-10-26 10:35 ` [PATCH 9/9] input_pipe: account for undefined {sock} Eric Wong

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