Todd Lipcon created HDFS-4304:
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Summary: Make FSEditLogOp.MAX_OP_SIZE configurable
Key: HDFS-4304
URL: https://issues.apache.org/jira/browse/HDFS-4304
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 3.0.0, 2.0.3-alpha
Reporter: Todd Lipcon
Assignee: Colin Patrick McCabe
Today we ran into an issue where a NN had logged a very large op, greater than
the 1.5MB MAX_OP_SIZE constant. In order to successfully load the edits, we had
to patch with a larger constant. This constant should be configurable so that
we wouldn't have to recompile in these odd cases. Additionally, I think the
default should be bumped a bit higher, since it's only a safeguard against
OOME, and people tend to run NNs with multi-GB heaps.
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