MockHDFSWriter hdfsWriter = new MockHDFSWriter();
HDFSTextFormatter formatter = new HDFSTextFormatter();
BucketWriter bucketWriter = new BucketWriter(ROLL_INTERVAL, 0, 0, 0, ctx,
"/tmp/file", null, null, SequenceFile.CompressionType.NONE, hdfsWriter,
formatter, timedRollerPool, null,
new SinkCounter("test-bucket-writer-" + System.currentTimeMillis()),
0, null);
Event e = EventBuilder.withBody("foo", Charsets.UTF_8);
long startNanos = System.nanoTime();
for (int i = 0; i < NUM_EVENTS - 1; i++) {