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+Date: Thu, 24 Oct 2013 10:57:15 +0200\r
+From: Vladimir Marek <Vladimir.Marek@oracle.com>\r
+To: Austin Clements <amdragon@mit.edu>\r
+Subject: Re: Re: Re: Possible addtions to notmuch new ?\r
+Message-ID: <20131024085715.GA17980@virt.cz.oracle.com>\r
+References: <20130812093443.GB16684@virt.cz.oracle.com>\r
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+\r
+Hi,\r
+\r
+> > > My mail setup is a directory containing several subdirectories each\r
+> > > subdirectory corresponds to one real mail account I am using. Each mail\r
+> > > account is synchronized differently - I am using offlineimap, fetchmeail\r
+> > > or even synthetically created emails (I am writing very simple jabber<->\r
+> > > mail gate).Every now and then I am running 'notmuch new' to discover new\r
+> > > emails and make them available in my MUA.\r
+> > > \r
+> > > That works pretty well, but has some disadvantages too\r
+> > > - notmuch new takes very long time (30s) during which the notmuch\r
+> > > database seems to be locked for any other updates from my MUA\r
+> > > - notmuch new takes long time because it always processes my archive\r
+> > > dir containing many files. That's mostly un-necessary as typically\r
+> > > there's no new mail delivered\r
+> > \r
+> > Could you try this patch? It's basically untested other than passing\r
+> > the test suite, though in principle the worst harm it could do is make\r
+> > notmuch new miss new messages or think renames are deletions. If it\r
+> > helps significantly with your performance problems, I'll clean it up\r
+> > and add a test.\r
+> > \r
+> > diff --git a/notmuch-new.c b/notmuch-new.c\r
+> > index faa33f1..196c5cb 100644\r
+> > --- a/notmuch-new.c\r
+> > +++ b/notmuch-new.c\r
+> > @@ -323,6 +323,9 @@ add_files (notmuch_database_t *notmuch,\r
+> > }\r
+> > db_mtime = directory ? notmuch_directory_get_mtime (directory) : 0;\r
+> > \r
+> > + if (directory && db_mtime == fs_mtime && st.st_nlink == 2)\r
+> > + goto DONE;\r
+> > +\r
+> > /* If the database knows about this directory, then we sort based\r
+> > * on strcmp to match the database sorting. Otherwise, we can do\r
+> > * inode-based sorting for faster filesystem operation. */\r
+> \r
+> \r
+> I'm sorry for my late reply. It cuts the average time of 'notmuch new'\r
+> from 25s to 0.2s . Which is a bit scary :) But understandable. I have\r
+> the notmuch database on NFS mount which hopefully won't make any\r
+> difference here.\r
+\r
+Is there anything missing before including the patch into notmuch\r
+sources? Today I rebuilt notmuch and forgot to include this patch and\r
+"notmuch new" is dead slow again.\r
+\r
+Cheers\r
+-- \r
+ Vlad\r
projects / notmuch-archives.git / commitdiff