private static void bootstrap(final Path rd, final Configuration c)
throws IOException {
LOG.info("BOOTSTRAP: creating ROOT and first META regions");
try {
// Bootstrapping, make sure blockcache is off. Else, one will be
// created here in bootstap and it'll need to be cleaned up. Better to
// not make it in first place. Turn off block caching for bootstrap.
// Enable after.
HRegionInfo rootHRI = new HRegionInfo(HRegionInfo.ROOT_REGIONINFO);
setInfoFamilyCachingForRoot(false);
HRegionInfo metaHRI = new HRegionInfo(HRegionInfo.FIRST_META_REGIONINFO);
setInfoFamilyCachingForMeta(false);
HRegion root = HRegion.createHRegion(rootHRI, rd, c,
HTableDescriptor.ROOT_TABLEDESC);
HRegion meta = HRegion.createHRegion(metaHRI, rd, c,
HTableDescriptor.META_TABLEDESC);
setInfoFamilyCachingForRoot(true);
setInfoFamilyCachingForMeta(true);
// Add first region from the META table to the ROOT region.
HRegion.addRegionToMETA(root, meta);
root.close();
root.getLog().closeAndDelete();
meta.close();
meta.getLog().closeAndDelete();
} catch (IOException e) {
e = RemoteExceptionHandler.checkIOException(e);
LOG.error("bootstrap", e);
throw e;
}
}
@Override
public void run() {
byte[] key = new byte[keySize];
byte[] value = new byte[valueSize];
Random rand = new Random(Thread.currentThread().getId());
HLog hlog = region.getLog();
try {
long startTime = System.currentTimeMillis();
for (int i = 0; i < numIterations; ++i) {
Put put = setupPut(rand, key, value, numFamilies);
long now = System.currentTimeMillis();
WALEdit walEdit = new WALEdit();
addFamilyMapToWALEdit(put.getFamilyCellMap(), walEdit);
HRegionInfo hri = region.getRegionInfo();
if (this.noSync) {
hlog.appendNoSync(hri, hri.getTable(), walEdit, new ArrayList<UUID>(), now, htd);
} else {
hlog.append(hri, hri.getTable(), walEdit, now, htd);
}
}
long totalTime = (System.currentTimeMillis() - startTime);
logBenchmarkResult(Thread.currentThread().getName(), numIterations, totalTime);
} catch (Exception e) {
LOG.error(getClass().getSimpleName() + " Thread failed", e);
}
}
private void closeRegion(final HRegion region) throws IOException {
if (region != null) {
region.close();
HLog wal = region.getLog();
if (wal != null) wal.close();
}
}
@After
public void tearDown() throws Exception {
HLog hlog = region.getLog();
region.close();
hlog.closeAndDelete();
}