[GitHub] [accumulo] DomGarguilo commented on a diff in pull request #3415: Add more split integration tests

["DomGarguilo (via GitHub)" <gi...@apache.org>]

DomGarguilo commented on code in PR #3415:
URL: https://github.com/apache/accumulo/pull/3415#discussion_r1202501094


##########
test/src/main/java/org/apache/accumulo/test/functional/SplitIT.java:
##########
@@ -205,4 +219,79 @@ public void deleteSplit() throws Exception {
     }
   }
 
+  @Test
+  public void concurrentSplit() throws Exception {
+    try (AccumuloClient c = Accumulo.newClient().from(getClientProps()).build()) {
+
+      final String tableName = getUniqueNames(1)[0];
+
+      log.debug("Creating table {}", tableName);
+      c.tableOperations().create(tableName);
+
+      final int numRows = 100_000;
+      log.debug("Ingesting {} rows into {}", numRows, tableName);
+      VerifyParams params = new VerifyParams(getClientProps(), tableName, numRows);
+      TestIngest.ingest(c, params);
+
+      log.debug("Verifying {} rows ingested into {}", numRows, tableName);
+      VerifyIngest.verifyIngest(c, params);
+
+      log.debug("Creating futures that add random splits to the table");
+      ExecutorService es = Executors.newFixedThreadPool(10);
+      final int totalFutures = 100;
+      final int splitsPerFuture = 4;
+      final Set<Text> totalSplits = new HashSet<>();
+      List<Callable<Void>> tasks = new ArrayList<>(totalFutures);
+      for (int i = 0; i < totalFutures; i++) {
+        final Pair<Integer,Integer> splitBounds = getRandomSplitBounds(numRows);
+        final TreeSet<Text> splits = TestIngest.getSplitPoints(splitBounds.getFirst().longValue(),

Review Comment:
   interesting. i can take a look into that



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