@Override
public void run() {
byte[] key = new byte[keySize];
byte[] value = new byte[valueSize];
Random rand = new Random(Thread.currentThread().getId());
WAL wal = region.getWAL();
TraceScope threadScope = Trace.startSpan("WALPerfEval." + Thread.currentThread().getName());
try {
long startTime = System.currentTimeMillis();
int lastSync = 0;
for (int i = 0; i < numIterations; ++i) {
assert Trace.currentSpan() == threadScope.getSpan() : "Span leak detected.";
TraceScope loopScope = Trace.startSpan("runLoopIter" + i, loopSampler);
try {
long now = System.nanoTime();
Put put = setupPut(rand, key, value, numFamilies);
WALEdit walEdit = new WALEdit();
addFamilyMapToWALEdit(put.getFamilyCellMap(), walEdit);
HRegionInfo hri = region.getRegionInfo();
final WALKey logkey = new WALKey(hri.getEncodedNameAsBytes(), hri.getTable(), now);
wal.append(htd, hri, logkey, walEdit, region.getSequenceId(), true, null);
if (!this.noSync) {
if (++lastSync >= this.syncInterval) {
wal.sync();
lastSync = 0;
}
}
latencyHistogram.update(System.nanoTime() - now);
} finally {
loopScope.close();
}
}
long totalTime = (System.currentTimeMillis() - startTime);
logBenchmarkResult(Thread.currentThread().getName(), numIterations, totalTime);
} catch (Exception e) {
LOG.error(getClass().getSimpleName() + " Thread failed", e);
} finally {
threadScope.close();
}
}
