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Posted to issues@lucene.apache.org by GitBox <gi...@apache.org> on 2021/01/16 21:17:14 UTC

[GitHub] [lucene-solr] uschindler edited a comment on pull request #2052: LUCENE-8982: Make NativeUnixDirectory pure java with FileChannel direct IO flag, and rename to DirectIODirectory

uschindler edited a comment on pull request #2052:
URL: https://github.com/apache/lucene-solr/pull/2052#issuecomment-761664193


   FileChannel#read is documented to return -1 on EOF. If it returns 0, there may be more to read, just not yet available. This is important for asynchronous channels!


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