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https://issues.apache.org/jira/browse/HBASE-13262?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365367#comment-14365367
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Josh Elser commented on HBASE-13262:
------------------------------------
Seems to be only a client-side issue (as running the client with
hbase-client-1.0.0 and a 1.1.0-SNAPSHOT installation worked fine).
The ClientScanner appears to be jumping to the next region too early:
{noformat}
2015-03-17 11:43:35,459 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '1\x00'
2015-03-17 11:43:35,711 INFO [main] hbase.HBaseTest(152): Saw row 108997
2015-03-17 11:43:35,847 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '2\x00'
2015-03-17 11:43:35,877 INFO [main] hbase.HBaseTest(152): Saw row 117997
2015-03-17 11:43:35,960 INFO [main] hbase.HBaseTest(152): Saw row 208270
2015-03-17 11:43:36,077 INFO [main] hbase.HBaseTest(152): Saw row 217270
2015-03-17 11:43:36,088 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '3\x00'
2015-03-17 11:43:36,171 INFO [main] hbase.HBaseTest(152): Saw row 306297
2015-03-17 11:43:36,236 INFO [main] hbase.HBaseTest(152): Saw row 315297
2015-03-17 11:43:36,268 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '4\x00'
2015-03-17 11:43:36,333 INFO [main] hbase.HBaseTest(152): Saw row 404322
2015-03-17 11:43:36,421 INFO [main] hbase.HBaseTest(152): Saw row 413322
2015-03-17 11:43:36,493 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '5\x00'
2015-03-17 11:43:36,546 INFO [main] hbase.HBaseTest(152): Saw row 502349
2015-03-17 11:43:36,656 INFO [main] hbase.HBaseTest(152): Saw row 511349
2015-03-17 11:43:36,717 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '6\x00'
2015-03-17 11:43:36,732 INFO [main] hbase.HBaseTest(152): Saw row 600375
2015-03-17 11:43:36,830 INFO [main] hbase.HBaseTest(152): Saw row 609376
2015-03-17 11:43:36,894 INFO [main] hbase.HBaseTest(152): Saw row 618376
2015-03-17 11:43:36,924 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '7\x00'
2015-03-17 11:43:37,035 INFO [main] hbase.HBaseTest(152): Saw row 707401
2015-03-17 11:43:37,134 INFO [main] hbase.HBaseTest(152): Saw row 716401
2015-03-17 11:43:37,146 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '8\x00'
2015-03-17 11:43:37,221 INFO [main] hbase.HBaseTest(152): Saw row 805428
2015-03-17 11:43:37,327 INFO [main] hbase.HBaseTest(152): Saw row 814428
2015-03-17 11:43:37,367 DEBUG [main] client.ClientScanner(281): Advancing
internal scanner to startKey at '9\x00'
2015-03-17 11:43:37,417 INFO [main] hbase.HBaseTest(152): Saw row 903454
2015-03-17 11:43:37,512 INFO [main] hbase.HBaseTest(152): Saw row 912454
2015-03-17 11:43:37,574 INFO [main] hbase.HBaseTest(159): Last row in Result
919972
{noformat}
The client should be logging each 10000th row (e.g. we should see 10 log
messages between the ClientScanner log message).
> ResultScanner doesn't return all rows in Scan
> ---------------------------------------------
>
> Key: HBASE-13262
> URL: https://issues.apache.org/jira/browse/HBASE-13262
> Project: HBase
> Issue Type: Bug
> Components: Client
> Environment: Single node, pseduo-distributed 1.1.0-SNAPSHOT
> Reporter: Josh Elser
> Assignee: Josh Elser
> Priority: Critical
> Fix For: 1.1.0
>
>
> Tried to write a simple Java client again 1.1.0-SNAPSHOT.
> * Write 1M rows, each row with 1 family, and 10 qualifiers (values [0-9]),
> for a total of 10M cells written
> * Read back the data from the table, ensure I saw 10M cells
> Running it against {{04ac1891}} (and earlier) yesterday, I would get ~20% of
> the actual rows. Running against 1.0.0, returns all 10M records as expected.
> [Code I was
> running|https://github.com/joshelser/hbase-hwhat/blob/master/src/main/java/hbase/HBaseTest.java]
> for the curious.
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