Owen O'Malley created HDFS-16844:
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Summary: [RBF] The routers should be resiliant against exceptions
from StateStore
Key: HDFS-16844
URL: https://issues.apache.org/jira/browse/HDFS-16844
Project: Hadoop HDFS
Issue Type: Improvement
Components: rbf
Affects Versions: 3.3.4
Reporter: Owen O'Malley
Assignee: Owen O'Malley
Currently, a single exception from the StateStore will cripple a router by
clearing the caches before the replacement is loaded. Since the routers have
the information in an in-memory cache, it is better to keep running. There is
still the timeout that will push the router into safe-mode if it can't load the
state store over a longer period of time.
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