BytesReference usage to properly work when hasArray is not available
when a BytesReference doesn't have a backing array, properly handle the case in places where its applicable
closes #5455
BytesReference usage to properly work when hasArray is not available
fix spelling in comment, + remove overcautious assert
Minor improvements to Table class and add tests
[Test] RecoveryWhileUnderLoadTests: smarter waiting for background indexers as it sometimes times out.