Re: [PATCH 1/3] Use the Xapian::DB_RETRY_LOCK flag when available

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+From: David Bremner <david@tethera.net>\r
+To: notmuch@notmuchmail.org\r
+Subject: Re: [PATCH 1/3] Use the Xapian::DB_RETRY_LOCK flag when available\r
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+Date: Wed, 29 Jun 2016 09:10:13 +0200\r
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+David Bremner <david@tethera.net> writes:\r
+\r
+> From: Istvan Marko <notmuch@kismala.com>\r
+>\r
+> Xapian 1.3 has introduced the DB_RETRY_LOCK flag (Xapian bug\r
+> 275). Detect it in configure and optionally use it. With this flag\r
+> commands that need the write lock will wait for their turn instead of\r
+> aborting when it's not immediately available.\r
+\r
+series pushed\r
+\r
+d\r