glasser commented on a change in pull request #6226: Prohibit some Random usage
patterns
URL: https://github.com/apache/incubator-druid/pull/6226#discussion_r228649290
##########
File path:
indexing-service/src/main/java/org/apache/druid/indexing/common/task/RealtimeIndexTask.java
##########
@@ -76,34 +76,43 @@
import java.io.File;
import java.io.IOException;
import java.util.Map;
-import java.util.Random;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ThreadLocalRandom;
public class RealtimeIndexTask extends AbstractTask
{
public static final String CTX_KEY_LOOKUP_TIER = "lookupTier";
private static final EmittingLogger log = new
EmittingLogger(RealtimeIndexTask.class);
- private static final Random random = new Random();
+
+ private static final int TASK_ID_BITS_PER_SYMBOL = 4;
+ private static final int TASK_ID_SYMBOL_MASK = (1 <<
TASK_ID_BITS_PER_SYMBOL) - 1;
+ private static final int TASK_ID_LENGTH = Integer.BYTES /
TASK_ID_BITS_PER_SYMBOL;
Review comment:
I guess that'll teach me to run off of a random commit on master :)
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