dockerzhang opened a new issue #832:
URL: https://github.com/apache/incubator-inlong/issues/832
<p>Current implementation of FileSegmentList is based on <b>native compact
array</b> (Object[]), so:<br/>
1. it lacks flexibility on add/remove;<br/>
2. it would suffer a great performance impact while applying CAS performing
an operation;<br/>
3. it may cause phantom read as multiple temporary copy of candidates may
fail to announce its update due to unintended currentView change;<br/>
4. less space efficiency, as there might be multiple temporary copies in
system in order to do an update.</p>
<p>So this issue is raised to optimize the storage list, and it's to exploit
<b>RoundQueue</b> structure to achieve a better performance while make use of
<b>weak CAS</b> to better adapt multi-threaded runtime.</p>
<i>JIRA link - <a
href="https://issues.apache.org/jira/browse/INLONG-233";>[INLONG-233]</a>
created by hystericalhell</i>
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