Sorry, there were spelling mistakes. By using HFileLink files, there is no need to use HalfStoreFileReader to read the HFile.
Regards, Xiaolin Ha Xiaolin Ha <[email protected]> 于2021年11月15日周一 下午4:37写道： > Hi, > I proposed an issue to use HFileLink file when splitting in > HBASE-26421 Use HFileLink file to replace entire file‘s reference when > splitting <https://issues.apache.org/jira/browse/HBASE-26421>. > Because the HFileLink files can be used when the Reference file refers to > the entire HFile. > Now I want to use HFileLink in split as default, let it be a normal > behavior. > > By using HFileLink file, there is no need to use HalfStoreFileReader to > read the jHile. > And the HFileLink file is splitable, while Reference is not. > There are also long-term benefits, we can make the first compaction after > split can be a minor compaction instead of old major compaction, because > only reference files should be compacted before the next split. (In > HBASE-26422, I described the compaction after splitting using HFileLink.) > It also makes move HFiles between regions of the same table possible. Then > the compaction is light weight, since it need not to read and rewrite the > referred files. > And this idea can also be used in region merge. > > Hope to hear from you soon. > Please let me know if you have any questions or concerns. > > Regards, > Xiaolin Ha >
