Himanshu Vashishtha created HBASE-8288:
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Summary: HBaseFileSystem: Refactoring and correct semantics for
createPath methods
Key: HBASE-8288
URL: https://issues.apache.org/jira/browse/HBASE-8288
Project: HBase
Issue Type: Bug
Components: Filesystem Integration
Affects Versions: 0.94.6
Reporter: Himanshu Vashishtha
Assignee: Himanshu Vashishtha
Fix For: 0.94.7
This jira is for two issues I see in the HBaseFileSystem class:
1) Load testing on a 7 node cluster using ycsb insert workload shows that
static initialization of conf properties results in a slightly better
throughput. Though the initialization uses HBaseConfiguration.create() call
which is expensive (and I tried to avoid that in its first version), this class
is used for most of the filesystem class, and had to invoke an additional
checkAndSetXX call before making the fs call because it is not certain whether
the retry properties are set or not. Having initialize them in static block
removes that limitation.
2) Correct semantics for CreatePathXXX method. In case the overwrite flag is
false and file already exists, underlying fs throws an exception. It should be
re-thrown to the caller.
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