keith-turner commented on code in PR #3415:
URL: https://github.com/apache/accumulo/pull/3415#discussion_r1205722893
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test/src/main/java/org/apache/accumulo/test/functional/SplitIT.java:
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@@ -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:
I like option 2, if `splitSize` is zero in TestIngest.getSplitPoints then
return an empty set.
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