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Posted to issues@livy.apache.org by "zhuweibin (JIRA)" <ji...@apache.org> on 2017/11/25 06:10:00 UTC

[jira] [Created] (LIVY-421) support multi statements run at the same time

zhuweibin created LIVY-421:
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             Summary: support multi statements run at the same time
                 Key: LIVY-421
                 URL: https://issues.apache.org/jira/browse/LIVY-421
             Project: Livy
          Issue Type: Improvement
          Components: REPL
    Affects Versions: 0.4
            Reporter: zhuweibin
            Priority: Critical


In the current version of the implementation, the number of threads used to execute the statement code is hardcoded to one. When idle resources are sufficient to execute multiple statements, a lot of resources are wasted and blocking statements run. We are considering improvements in one of two ways:
# 1. Add a configuration in livy.conf to globally control the number of threads in interpreterExecutor for all repl/sessions to execute statements
# 2 in the session to create a rest api parameter to set the maximum number of statements can be run at the same time the number of statements

hope to discuss this issue, thanks



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