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From Jonathan Ellis <>
Subject Re: FileNotFoundException in ROW-READ-STAGE
Date Mon, 17 May 2010 04:50:19 GMT
we really need to know what the file history is.

if it's a freshly flushed file, that's Bad.

if it's a file that was a compaction victim, that's annoying but not
something we need to worry about.

both flush and compaction are logged at INFO.

On Sun, May 16, 2010 at 11:13 AM, Mason Hale <> wrote:
> Grepping through the logs, I haven't been able to deduce what was going on
> at the same time, but I have found many instances of these errors for
> multiple files going back for weeks nows. (Found 848 of these errors since
> 4-23-2010). The files not found include Index and Data files spanning
> multiple column families.
> Where should I go from here?
> On Sat, May 15, 2010 at 10:06 AM, Jonathan Ellis <> wrote:
>> grep for Entry-28-Index.db in the logs, see what was going on before
>> the exceptions.  (was it compacted?)

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

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