private HLog.Entry createTestLogEntry(int i) {
long seq = i;
long now = i * 1000;
WALEdit edit = new WALEdit();
edit.add(KeyValueTestUtil.create("row", "fam", "qual", 1234, "val"));
HLogKey key = new HLogKey(TEST_REGION, TEST_TABLE, seq, now, HConstants.DEFAULT_CLUSTER_ID);
HLog.Entry entry = new HLog.Entry(key, edit);
return entry;
}
private void addFamilyMapToWALEdit(Map<byte[], List<Cell>> familyMap, WALEdit walEdit) {
for (List<Cell> edits : familyMap.values()) {
for (Cell cell : edits) {
KeyValue kv = KeyValueUtil.ensureKeyValue(cell);
walEdit.add(kv);
}
}
}
@Override
public void run() {
this.log.info(getName() + " started");
final AtomicLong sequenceId = new AtomicLong(1);
try {
for (int i = 0; i < this.count; i++) {
long now = System.currentTimeMillis();
// Roll every ten edits
if (i % 10 == 0) {
this.wal.rollWriter();
}
WALEdit edit = new WALEdit();
byte[] bytes = Bytes.toBytes(i);
edit.add(new KeyValue(bytes, bytes, bytes, now, EMPTY_1K_ARRAY));
final HRegionInfo hri = HRegionInfo.FIRST_META_REGIONINFO;
final FSTableDescriptors fts = new FSTableDescriptors(TEST_UTIL.getConfiguration());
final HTableDescriptor htd = fts.get(TableName.META_TABLE_NAME);
final long txid =
wal.append(
htd,
hri,
new WALKey(hri.getEncodedNameAsBytes(), TableName.META_TABLE_NAME, now),
edit,
sequenceId,
true,
null);
wal.sync(txid);
}
String msg = getName() + " finished";
if (isException()) this.log.info(msg, getException());
else this.log.info(msg);
} catch (Exception e) {
this.e = e;
log.info("Caught exception from Appender:" + getName(), e);
} finally {
// Call sync on our log.else threads just hang out.
try {
this.wal.sync();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
/**
* Creates a WALEdit for the passed KeyValues and returns a HLog.Entry instance composed of the
* WALEdit and passed HLogKey.
*
* @return HLog.Entry instance for the passed HLogKey and KeyValues
*/
private HLog.Entry createAEntry(HLogKey hlogKey, List<KeyValue> kvs) {
WALEdit edit = new WALEdit();
for (KeyValue kv : kvs) edit.add(kv);
return new HLog.Entry(hlogKey, edit);
}