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https://issues.apache.org/jira/browse/CASSANDRA-12151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16420389#comment-16420389
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Stefan Podkowinski commented on CASSANDRA-12151:
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We should not provide solutions that we know will have significant performance
issues on busy production systems. I don’t mind keeping the FileAuditLogger
class, as it’s really trivial. But please remove references to it from
cassandra.yaml and the corresponding entries in logback.xml (don’t like to have
an empty audit.log file on all nodes either). Let’s nudge users to use to
BinAuditLogger right away as the recommended solution.
If you don’t think adding an option like include_auditlog_types should be
necessary, that’s fine. But then let me use my own implementation for filtering
logs, if my requirements are different. This means that I’d have to be able to
specify additional parameters (e.g. custom filtering options) along with the
class name for my implementation. So I'd suggest to use ParameterizedClass for
the logger in cassandra.yaml to make that easily possible.
Looking at IAuditLogger and thinking about how to filter log events makes me a
bit worried about the design in general there. We keep generating AuditLogEntry
instances and create unnecessary garbage, even if we’re only interested in some
specific entry types. Maybe we should move filtering either into the
IAuditLogger implementation or make it possible to use a custom AuditLogFilter
as well (IAuditLogger.getLogFilter() ?).
Just looking at AuditLogFilter makes me also think that the isFiltered logic
should be reconsidered, as null values will cause entries to always pass, even
if the include set is not empty.
{quote}How do you suggest we approach this problem? We cannot keep the audit
log files around indefinitely. Perhaps we can specify a disk quota for audit
log files in the configuration? We can expose this setting in cassandra.yaml?
{quote}
How does this work with BinLogger? I haven't looked at that part in detail yet.
Does it overwrite old entries automatically? How would you suggest users should
archive logs from there?
> Audit logging for database activity
> -----------------------------------
>
> Key: CASSANDRA-12151
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12151
> Project: Cassandra
> Issue Type: New Feature
> Reporter: stefan setyadi
> Assignee: Vinay Chella
> Priority: Major
> Fix For: 4.x
>
> Attachments: 12151.txt, CASSANDRA_12151-benchmark.html,
> DesignProposal_AuditingFeature_ApacheCassandra_v1.docx
>
>
> we would like a way to enable cassandra to log database activity being done
> on our server.
> It should show username, remote address, timestamp, action type, keyspace,
> column family, and the query statement.
> it should also be able to log connection attempt and changes to the
> user/roles.
> I was thinking of making a new keyspace and insert an entry for every
> activity that occurs.
> Then It would be possible to query for specific activity or a query targeting
> a specific keyspace and column family.
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