Re: storing From and Subject in xapian

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+References: <m3sjsv2kw2.fsf@zsu.kismala.com>\r
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+Date: Wed, 4 May 2011 22:43:00 -0400\r
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+Message-ID: <BANLkTin1OC-Xz5mwcV3awJVg3ZogUjihPQ@mail.gmail.com>\r
+Subject: Re: storing From and Subject in xapian\r
+From: Austin Clements <amdragon@mit.edu>\r
+To: Istvan Marko <notmuch@kismala.com>\r
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+\r
+On Wed, May 4, 2011 at 9:48 PM, Austin Clements <amdragon@mit.edu> wrote:\r
+> As another data point, with a probably very different configuration (8\r
+> year old P4, new SSD), my test query was 1.9X faster uncached and 1.6X\r
+> faster cached. =A0It also produced 60% fewer disk reads. =A0I saw the sam=\r
+e\r
+> 1% increase in database size.\r
+\r
+Oops, the email was on an SSD, but the database was on a separate\r
+spinning disk.  With them both on the SSD, it's 2.1X faster uncached.\r