Strings constants with the same value are guaranteed by the VM specification to use the same instance.
具有相同值的字符串常量是由 VM 规范保证使用同一个实例的。
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Proper alignment is likely to follow if you specify partition size in units of megabytes or larger and then accept the default value for subsequent partitions, but this isn't guaranteed.
The period between the update and the moment when it is guaranteed that any observer will always see the updated value is dubbed the inconsistency window.