Snapshot provides redo position.
Merge remote-tracking branch 'remotes/origin/master' into compress
Inherit docs from parent interface.
Closed index reports itself as unmodifiable.
Merge remote-tracking branch 'remotes/origin/master' into compress
Documented key range checks.
Add throws javadoc comments.
Remove unnecessary assignment.
Eliminate unnecessary seeks.
Add internal method to insert entries at the lowest or highest position.
Merge remote-tracking branch 'remotes/origin/master' into compress
Minimize impact of redo log sync during checkpoint.
More exception documentation.
Add DequeIndex class, optimized for deque-like workloads.
Add code comment.
Fix NPE in utility method.
DequeIndex uses a Lock, enabling deadlock detection.
Remove unused parameters from internal method.
Handle lock failure properly in DequeIndex.
Merge remote-tracking branch 'remotes/origin/master' into compress