pranavshenoy commented on code in PR #4380:
URL: https://github.com/apache/cassandra/pull/4380#discussion_r2415637358
##########
test/unit/org/apache/cassandra/index/sai/functional/CompactionTest.java:
##########
@@ -352,4 +358,54 @@ public void testConcurrentIndexDropWithCompaction() throws
Throwable
.isInstanceOf(InvalidQueryException.class)
.hasMessage(StatementRestrictions.REQUIRES_ALLOW_FILTERING_MESSAGE);
}
+
+ @Test
+ public void testSegmentBuilderFlushWithShardedCompaction() throws Throwable
+ {
+ int shards = 64;
+ String createTable = "CREATE TABLE %s (id1 TEXT PRIMARY KEY, v1 INT,
v2 TEXT) WITH compaction = " +
+ "{'class' : 'UnifiedCompactionStrategy',
'enabled' : false, 'base_shard_count': " + shards + ", 'min_sstable_size':
'1KiB' }";
+ createTable(createTable);
+ createIndex(String.format(CREATE_INDEX_TEMPLATE, "v1"));
+ createIndex(String.format(CREATE_INDEX_TEMPLATE, "v2"));
+ disableCompaction(keyspace(), currentTable());
+
+ int rowsPerSSTable = 2000;
+ int numSSTables = 4;
+ int key = 0;
+ for (int s = 0; s < numSSTables; s++)
+ {
+ for (int i = 0; i < rowsPerSSTable; i++)
+ {
+ execute("INSERT INTO %s (id1, v1, v2) VALUES (?, 0,
'01e2wefnewirui32e21e21wre')", Integer.toString(key++));
+ }
+ flush();
+ }
+
+ ExecutorService executor = Executors.newSingleThreadExecutor();
+ try
+ {
+ Future<?> future = executor.submit(() -> {
+ getCurrentColumnFamilyStore().forceMajorCompaction(false, 1);
+ waitForCompactions();
+ });
+
+ // verify that it's not accumulating segment builders
+ while (!future.isDone())
+ {
+ // ACTIVE_BUILDER_COUNT starts from 0. There are 2 segments
for 2 indexes
+
assertThat(SegmentBuilder.getActiveBuilderCount()).isGreaterThanOrEqualTo(0).isLessThanOrEqualTo(2);
+ }
+ future.get(30, TimeUnit.SECONDS);
+
+ // verify results are sharded
+
assertThat(getCurrentColumnFamilyStore().getLiveSSTables()).hasSize(shards);
+ }
+ finally
+ {
+ executor.shutdown();
+ executor.awaitTermination(30, TimeUnit.SECONDS);
+ assertThat(executor.isTerminated()).isTrue();
Review Comment:
done
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