Arcus Server 1.12.2

2020-09-04 [version 1.12.2]

* [FEATURE] support item size exceeding 1MB by removing asserts on that.
* [FEATURE] remove dual space in the pipe header response string.
* [FIX]     prevent memory out-of-range while printing out key on log.
* [FIX]     set to CLIENT_ERROR error when E2BIG error occurs.
* [FIX]     fix miscalculation of snprintf string size
* [FIX]     clear azk_count during zookeeper rejoin process
* [FIX]     call the missed release_independent_stats() when shutdown.
* [CLEANUP] added a new item_scan facility.
* [CLEANUP] separated the prefix module from the assoc module.
* [CLEANUP] used the new item_scan facility when dump items.
* [CLEANUP] set max_element_bytes config in engine.
* [CLEANUP] do logging when hash collision occurs.
* [TEST]    add pipe overflow test.
* [TEST]    augment the mop get tests.
* [DOC]     modify the format for use in ARCUS documentation system.
* [DOC]     add detailed descrption for kv response
* [DOC]     add description about config command
* [OTHER]   do extensive code refactoring.