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The path to the lock file, which prevents two or more indexing engines that share the same file system from flushing at the same time.
Flushing is the process of writing cached data to disk during indexing. It occurs periodically, and it is resource-intensive. It is important to prevent two flushes from occurring simultaneously.
If a lock file exists, a server writes information to it to notify other servers that it is flushing, and other servers wait until it is finished before writing to the lock file and performing their flushes.
|See Also:||FlushLock Configuration Parameters|