Wail Y. Alkowaileet created ASTERIXDB-2945:
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Summary: Ensure S3 connection pool is large enough
Key: ASTERIXDB-2945
URL: https://issues.apache.org/jira/browse/ASTERIXDB-2945
Project: Apache AsterixDB
Issue Type: Bug
Components: EXT - External data
Affects Versions: 0.9.7
Reporter: Wail Y. Alkowaileet
Assignee: Wail Y. Alkowaileet
Fix For: 0.9.7
This bug has been found by [~ingomueller.net].
S3Client has a default value for the connection pool (15 concurrent
connections). When the number of partitions is greater than 15 (say 96),
threads will wait for a certain time for an available connection. If no
connection were made available, a Timeout exception will be thrown. Even if a
thread can wait, the default size of the connection pool could hinder the query
performance.
To fix that, we need to make sure that the connection pool size equals to at
least the number of partitions in the cluster.
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