http://www.exim.org/bugzilla/show_bug.cgi?id=402
Summary: DomainKeys performance is awful
Product: Exim
Version: 4.63
Platform: All
OS/Version: All
Status: NEW
Keywords: work:medium
Severity: bug
Priority: medium
Component: Experimental
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
QAContact: exim-dev@exim.org
The domainkeys signing process reads in the message 1 byte at a time which takes
a long time on a large message. While the process of sending the message to the
domainkeys library function doesn't have to be done char by char, the reading of
it definitely doesn't need to be done in this way. Reading the message in 4096
bytes at a time and then processing it character by character speeds it up
dramatically (for a 13MB message it takes 5 seconds not 45 seconds on a k6-2 500
cpu).
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