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From zsxwing <>
Subject [GitHub] spark issue #16503: [SPARK-18113] canCommit should return same when called b...
Date Mon, 09 Jan 2017 22:47:30 GMT
Github user zsxwing commented on the issue:
    Good catch. Looks good to me.
    @vanzin The RPC layer only guarantees at-most-once. Retry may be still helpful in some
case, but the receiver should be idempotent. Either the current change or changing to use
`ask` (Spark will retry the task) is good to me.

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