[jira] [Updated] (HBASE-26630) TableSnapshotInputFormat terminates in the middle

["Duo Zhang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-26630?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Duo Zhang updated HBASE-26630:
------------------------------
    Summary: TableSnapshotInputFormat terminates in the middle  (was: When using SingleColumnValueFilter in TableSnapshotInputFormat, there was a problem that the job was terminated in the middle.)

> TableSnapshotInputFormat terminates in the middle
> -------------------------------------------------
>
>                 Key: HBASE-26630
>                 URL: https://issues.apache.org/jira/browse/HBASE-26630
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 2.2.3
>            Reporter: hyungseok.lim
>            Assignee: Hernan Gelaf-Romer
>            Priority: Minor
>
> I am using by adding SingleColumnValueFilter in TableSnapshotInputFormat. In fact, there is a lot of data in the snapshot, but it was found that the mapper was completed in the middle.
>  
> There was a problem in the next method of ClientSideRegionScanner.
>  
> {code:java}
>  public Result next() throws IOException {
>     values.clear();
>     scanner.nextRaw(values);
>     if (values.isEmpty()) {
>       //we are done
>       return null;
>     }
>     Result result = Result.create(values);
>     if (this.scanMetrics != null) {
>       long resultSize = 0;
>       for (Cell cell : values) {
>         resultSize += PrivateCellUtil.estimatedSerializedSizeOf(cell);
>       }
>       this.scanMetrics.countOfBytesInResults.addAndGet(resultSize);
>       this.scanMetrics.countOfRowsScanned.incrementAndGet();
>     }
>     return result;
>   } {code}
> values is empty, but scanner.nextRaw(values) returned true.
> I modified it as follows and it worked normally.
> {code:java}
> public Result next() throws IOException {
>         values.clear();
>         boolean moreValues;
>         do {
>             moreValues = scanner.nextRaw(values);
>         } while (values.isEmpty() && moreValues);
>         if (!moreValues) {
>             return null;
>         }
>         Result result = Result.create(values);
>         if (this.scanMetrics != null) {
>             long resultSize = 0;
>             for (Cell cell : values) {
>                 resultSize += PrivateCellUtil.estimatedSerializedSizeOf(cell);
>             }
>             this.scanMetrics.countOfBytesInResults.addAndGet(resultSize);
>             this.scanMetrics.countOfRowsScanned.incrementAndGet();
>         }
>         return result;
>     } {code}
> Please check this.
>  



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