From 90029dcbc835ab0c5f6de711ec60ab912adb918e Mon Sep 17 00:00:00 2001 From: Jonathan Bisson Date: Mon, 1 Dec 2014 14:55:44 -0600 Subject: [PATCH] Add a performance comment about the use of ecryptfs --- performance.mdwn | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/performance.mdwn b/performance.mdwn index b958689..a6d7f2e 100644 --- a/performance.mdwn +++ b/performance.mdwn @@ -3,6 +3,18 @@ [[!toc levels=2]] +## Use of ecryptfs slows notmuch down. + +I noticed that my `notmuch new` was really slow (several minutes) for +less then 20 new emails (around 20K in my database). + +The performance tests in the notmuch source didn't show any real +issue, even on a non-encrypted ext4 fs. + +After investigation and running different tests, a switch to a +LUKS-btrfs based filesystem to replace the ext4-ecryptfs resolved the +issue. It now takes some seconds to index hundreds of messages. + ## Xapian 1.2.x database format: chert vs. flint Xapian 1.2 (in contrast to 1.0.x) uses a new database format called -- 2.43.0