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From Jonathan Ellis <>
Subject Re: memory leaks in 1.0.5
Date Sat, 10 Dec 2011 02:27:05 GMT
2011/12/9 Radim Kolar <>:
> I have problem with reproducible memory leaks in 1.0.5 - node ends with OOM,
> it worked fine with 1.0.3. Can someone write guide how to report memory
> leaks - i can collect jmap dumps. It would be best to write wiki page about
> it.

Possible, but unlikely.  See for an example of
a  "memory leak" that wasn't.

> I am not happy with 1.x branch stability. It has memory leaks and rows
> forever stuck in HintsColumnFamily

You need to remove the hints data files to clear out the incomplete
hints from < 1.0.3; the bug that caused this was fixed in but if you had
already generated some they don't get magically removed.

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of DataStax, the source for professional Cassandra support

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