@Test public void rocksEnv() { Env rocksEnv = RocksEnv.getDefault(); rocksEnv.setBackgroundThreads(5); // default rocksenv will always return zero for flush pool // no matter what was set via setBackgroundThreads assertThat(rocksEnv.getThreadPoolQueueLen(RocksEnv.FLUSH_POOL)).isEqualTo(0); rocksEnv.setBackgroundThreads(5, RocksEnv.FLUSH_POOL); // default rocksenv will always return zero for flush pool // no matter what was set via setBackgroundThreads assertThat(rocksEnv.getThreadPoolQueueLen(RocksEnv.FLUSH_POOL)).isEqualTo(0); rocksEnv.setBackgroundThreads(5, RocksEnv.COMPACTION_POOL); // default rocksenv will always return zero for compaction pool // no matter what was set via setBackgroundThreads assertThat(rocksEnv.getThreadPoolQueueLen(RocksEnv.COMPACTION_POOL)).isEqualTo(0); }