Tianyi Wang created IMPALA-7019:
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Summary: Discard block locations and schedule as remote read with
erasure coding
Key: IMPALA-7019
URL: https://issues.apache.org/jira/browse/IMPALA-7019
Project: IMPALA
Issue Type: Sub-task
Components: Frontend
Affects Versions: Impala 3.1.0
Reporter: Tianyi Wang
Assignee: Tianyi Wang
Currently Impala schedules erasure coded scan in the same way as scheduling
regular HDFS scan: it tries to schedule the scan on a datanode processing the
block. This makes little sense with erasure coding so we should schedule it as
if the block is remote.
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