Re: Notmuch new speed degradation

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+Date: Thu, 24 Jul 2014 23:49:46 +0400\r
+From: Dmitry Bogatov <KAction@gnu.org>\r
+To: Austin Clements <amdragon@MIT.EDU>\r
+Subject: Re: Notmuch new speed degradation\r
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+* Austin Clements <amdragon@MIT.EDU> [2014-07-24 10:32:14-0400]\r
+> Hi Dmitry.  My guess is that's you've exceeded your OS buffer cache\r
+> size by enough that most B-tree reads are going to disk at least once.\r
+> How big is your database (du -h $MAIL/.notmuch/xapian) and what does\r
+> free -h report on that computer?  Also, is this on an SSD or an HDD?\r
+\r
+13Gb on HDD, 9G after compact. Compact did not improved indexing speed,\r
+unfortunately. Maybe it is possible to somehow merge databases?\r
+\r
+             total       used       free     shared    buffers     cached\r
+Mem:          7,7G       6,5G       1,2G       240M       826M       3,6G\r
+-/+ buffers/cache:       2,1G       5,6G\r
+Swap:         1,9G        66M       1,8G\r
+\r
+--\r
+Best regards, Dmitry Bogatov <KAction@gnu.org>,\r
+Free Software supporter, esperantisto and netiquette guardian.\r
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