New Features in keeper-bench: Customizable Requests and Enhanced Configuration Options

New and improved keeper-bench. Everything can be customized from YAML/XML file: - request generator - each type of request generator can have a specific set of fields - multi requests can be generated just by doing the same under multi key - for each request or subrequest in multi a weight field can be defined to control distribution - define trees that need to be setup for a test run - hosts can be defined with all timeouts customizable and it's possible to control how many sessions to generate for each host - integers defined with min_value and max_value fields are random number generators. #48547 (Antonio Andelic).