Understanding Query Performance

Querying an erasure coded data might have an impact on the performance. If you notice performance degradation, you can troubleshoot it by running the PROFILE command. The PROFILE statement gives you an outline of the logical steps that a query will perform. It will include erasure coding related information in the profile.

[localhost:21000] functional> select * from functional.alltypes;
…
[localhost:21000] functional> profile;