Hello,

we are trying to add authentication to our Cassandra cluster. We add our
authenticated users during puppet deployment using the default user, which
is then disabled.

We have the following issues:

- we see CorruptSSTableException in system_auth.users table
- we are not able to add users after delete, which can be explained by the
following statement found in the source code: "INSERT INTO %s.%s (username,
salted_hash) VALUES ('%s', '%s') USING TIMESTAMP 0" (see the 0 - is this
really correct?)

nodetool scrub didn't help, compactation didn't help - tombstones were
still there, as well as the exception.

Has anybody else seen this?

It's cassandra 1.2.11 with vnodes on.

regards,
ondrej cernos

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