Rushabh S Shah created HDFS-12121:
-------------------------------------
Summary: Audit logging of unsuccessful should not be done while
holding fslock.
Key: HDFS-12121
URL: https://issues.apache.org/jira/browse/HDFS-12121
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.7.0
Reporter: Rushabh S Shah
Assignee: Rushabh S Shah
Currently we are audit logging the unsuccessful calls while holding fslock.
Following is just one example.
{code:title=FSNamesystem.java|borderStyle=solid}
HdfsFileStatus getFileInfo(final String src, boolean resolveLink)
throws IOException {
final String operationName = "getfileinfo";
checkOperation(OperationCategory.READ);
HdfsFileStatus stat = null;
readLock();
try {
checkOperation(OperationCategory.READ);
stat = FSDirStatAndListingOp.getFileInfo(dir, src, resolveLink);
} catch (AccessControlException e) {
logAuditEvent(false, operationName, src); //<---- audit logging while
holding fs read lock.
throw e;
} finally {
readUnlock(operationName);
}
logAuditEvent(true, operationName, src);
return stat;
}
{code}
We should avoid doing this.
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