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0.10.1 added limit push down optimization to GroupBy V2 in PR #3873.
When the optimization is on, GroupBy V2 requires a buffer with a minimum size depending on the limit.
If the user submits a query with a limit that's large enough such that the configured processing buffers are too small to support this optimization, the query fails with an error like:
{ "errorClass": "io.druid.java.util.common.IAE", "host": "localhost:8083", "errorMessage": "Buffer capacity [34636833] is too small for limit[500000000] with load factor[0.700000], minimum bytes needed: [1666887684]", "error": "Unknown exception" }
It would be better to disable the push down optimization in that situation instead of failing the query.
The text was updated successfully, but these errors were encountered:
0.10.1 added limit push down optimization to GroupBy V2 in PR #3873.
When the optimization is on, GroupBy V2 requires a buffer with a minimum size depending on the limit.
If the user submits a query with a limit that's large enough such that the configured processing buffers are too small to support this optimization, the query fails with an error like:
It would be better to disable the push down optimization in that situation instead of failing the query.
The text was updated successfully, but these errors were encountered: