clarax commented on a change in pull request #2644:
URL: https://github.com/apache/hbase/pull/2644#discussion_r521129644
##########
File path:
hbase-mapreduce/src/test/java/org/apache/hadoop/hbase/PerformanceEvaluation.java
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@@ -1998,6 +2006,41 @@ protected void testTakedown() throws IOException {
super.testTakedown();
}
}
+ static class MetaRandomReadTest extends TableTest {
+ private Random rd = new Random();
+ private RegionLocator regionLocator;
+
+ MetaRandomReadTest(Connection con, TestOptions options, Status status) {
+ super(con, options, status);
+ LOG.info("call getRegionLocation");
+ }
+
+ @Override
+ void onStartup() throws IOException {
+ this.table = connection.getTable(TableName.valueOf("hbase:meta"));
+ this.regionLocator =
connection.getRegionLocator(TableName.valueOf("hbase:meta"));
+ }
+
+ @Override
+ boolean testRow(final int i, final long startTime) throws IOException,
InterruptedException {
+ if (opts.randomSleep > 0) {
+ Thread.sleep(rd.nextInt(opts.randomSleep));
+ }
+ HRegionLocation hRegionLocation =
regionLocator.getRegionLocation(Bytes.toBytes(Integer.toString(rd.nextInt(100)
+ 1)), true);
Review comment:
Right. I was thinking to add trace in the case of troubleshooting but
not sure.
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