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Apr 23, 2012, 12:32 PM
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[Bug 6793] New: PATCH reduce sa-awl memory usage
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https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6793
Bug #: 6793
Summary: PATCH reduce sa-awl memory usage
Product: Spamassassin
Version: unspecified
Platform: PC
OS/Version: All
Status: NEW
Severity: normal
Priority: P2
Component: Tools
AssignedTo: dev [at] spamassassin
ReportedBy: vitalyb [at] telenet
Classification: Unclassified
Created attachment 5050
--> https://issues.apache.org/SpamAssassin/attachment.cgi?id=5050
patch
Hello,
current version of sa-awl loads full database key list to memory before showing
any
stats or performing maintenance. I believe it's obvious that this behavior is
undesirable and makes large databases impossible to handle.
The patch below improves sa-awl scaling and responsiveness by scanning database
row-by-row basis instead of loading all keys to memory first.
Tested cleaning db with over 8 million rows.
For a cached db with 850K rows memory usage lowers from 1G to 6M, execution
time
is around 12% slower (26 vs. 29 sec), though.
I'm not a perl expert, please review.
Thanks.
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[Bug 6793] New: PATCH reduce sa-awl memory usage