private void doPuts(HRegion region) throws IOException {
LoadTestKVGenerator dataGenerator = new LoadTestKVGenerator(MIN_VALUE_SIZE, MAX_VALUE_SIZE);
for (int i = 0; i < NUM_ROWS; ++i) {
byte[] key = LoadTestKVGenerator.md5PrefixedKey(i).getBytes();
for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
Put put = new Put(key);
byte[] col = Bytes.toBytes(String.valueOf(j));
byte[] value = dataGenerator.generateRandomSizeValue(key, col);
if (includeTags) {
Tag[] tag = new Tag[1];
tag[0] = new Tag((byte) 1, "Visibility");
KeyValue kv = new KeyValue(key, CF_BYTES, col, HConstants.LATEST_TIMESTAMP, value, tag);
put.add(kv);
} else {
put.add(CF_BYTES, col, value);
}
if (VERBOSE) {
KeyValue kvPut = new KeyValue(key, CF_BYTES, col, value);
System.err.println(Strings.padFront(i + "", ' ', 4) + " " + kvPut);
}
region.put(put);
}
if (i % NUM_ROWS_PER_FLUSH == 0) {
region.flushcache();
}
}
}
@Test
public void testRegionObserverFlushTimeStacking() throws Exception {
byte[] ROW = Bytes.toBytes("testRow");
byte[] TABLE = Bytes.toBytes(getClass().getName());
byte[] A = Bytes.toBytes("A");
byte[][] FAMILIES = new byte[][] {A};
Configuration conf = HBaseConfiguration.create();
HRegion region = initHRegion(TABLE, getClass().getName(), conf, FAMILIES);
RegionCoprocessorHost h = region.getCoprocessorHost();
h.load(NoDataFromFlush.class, Coprocessor.PRIORITY_HIGHEST, conf);
h.load(EmptyRegionObsever.class, Coprocessor.PRIORITY_USER, conf);
// put a row and flush it to disk
Put put = new Put(ROW);
put.add(A, A, A);
region.put(put);
region.flushcache();
Get get = new Get(ROW);
Result r = region.get(get);
assertNull(
"Got an unexpected number of rows - no data should be returned with the NoDataFromScan coprocessor. Found: "
+ r,
r.listCells());
}
private void doPuts(HRegion region) throws IOException {
LoadTestKVGenerator dataGenerator = new LoadTestKVGenerator(MIN_VALUE_SIZE, MAX_VALUE_SIZE);
for (int i = 0; i < NUM_ROWS; ++i) {
byte[] key = MultiThreadedWriter.longToByteArrayKey(i);
for (int j = 0; j < NUM_COLS_PER_ROW; ++j) {
Put put = new Put(key);
String colAsStr = String.valueOf(j);
byte[] col = Bytes.toBytes(colAsStr);
byte[] value = dataGenerator.generateRandomSizeValue(i, colAsStr);
put.add(CF_BYTES, Bytes.toBytes(colAsStr), value);
if (VERBOSE) {
KeyValue kvPut = new KeyValue(key, CF_BYTES, col, value);
System.err.println(Strings.padFront(i + "", ' ', 4) + " " + kvPut);
}
region.put(put);
}
if (i % NUM_ROWS_PER_FLUSH == 0) {
region.flushcache();
}
}
}