static boolean canUpdate(HRegionLocation loc, HRegionLocation oldLoc) {
// Do not need to update if no such location, or the location is newer, or the location is not
// same with us
return oldLoc != null
&& oldLoc.getSeqNum() <= loc.getSeqNum()
&& oldLoc.getServerName().equals(loc.getServerName());
}
protected void deleteRegion(Configuration conf, final Table tbl, byte[] startKey, byte[] endKey)
throws IOException {
LOG.info("Before delete:");
HTableDescriptor htd = tbl.getTableDescriptor();
dumpMeta(htd);
List<HRegionLocation> regions;
try (RegionLocator rl = connection.getRegionLocator(tbl.getName())) {
regions = rl.getAllRegionLocations();
}
for (HRegionLocation e : regions) {
HRegionInfo hri = e.getRegionInfo();
ServerName hsa = e.getServerName();
if (Bytes.compareTo(hri.getStartKey(), startKey) == 0
&& Bytes.compareTo(hri.getEndKey(), endKey) == 0) {
LOG.info("RegionName: " + hri.getRegionNameAsString());
byte[] deleteRow = hri.getRegionName();
TEST_UTIL.getHBaseAdmin().unassign(deleteRow, true);
LOG.info("deleting hdfs data: " + hri.toString() + hsa.toString());
Path rootDir = FSUtils.getRootDir(conf);
FileSystem fs = rootDir.getFileSystem(conf);
Path p = new Path(FSUtils.getTableDir(rootDir, htd.getTableName()), hri.getEncodedName());
fs.delete(p, true);
try (Table meta = this.connection.getTable(TableName.META_TABLE_NAME)) {
Delete delete = new Delete(deleteRow);
meta.delete(delete);
}
}
LOG.info(hri.toString() + hsa.toString());
}
TEST_UTIL.getMetaTableRows(htd.getTableName());
LOG.info("After delete:");
dumpMeta(htd);
}
@Override
public int compareTo(HRegionLocation o) {
return serverName.compareTo(o.getServerName());
}
@Override
public void run() {
int failedCount = 0;
try {
long start = EnvironmentEdgeManager.currentTime();
// drain all the queued puts into the tmp list
processingList.clear();
queue.drainTo(processingList);
if (processingList.size() == 0) {
// Nothing to flush
return;
}
currentProcessingCount.set(processingList.size());
// failedCount is decreased whenever a Put is success or resubmit.
failedCount = processingList.size();
List<Action<Row>> retainedActions = new ArrayList<>(processingList.size());
MultiAction<Row> actions = new MultiAction<>();
for (int i = 0; i < processingList.size(); i++) {
PutStatus putStatus = processingList.get(i);
Action<Row> action = new Action<Row>(putStatus.put, i);
actions.add(putStatus.regionInfo.getRegionName(), action);
retainedActions.add(action);
}
// Process this multi-put request
List<PutStatus> failed = null;
Object[] results = new Object[actions.size()];
ServerName server = addr.getServerName();
Map<ServerName, MultiAction<Row>> actionsByServer =
Collections.singletonMap(server, actions);
try {
AsyncRequestFuture arf =
ap.submitMultiActions(
null,
retainedActions,
0L,
null,
results,
true,
null,
null,
actionsByServer,
null);
arf.waitUntilDone();
if (arf.hasError()) {
// We just log and ignore the exception here since failed Puts will be resubmit again.
LOG.debug(
"Caught some exceptions when flushing puts to region server "
+ addr.getHostnamePort(),
arf.getErrors());
}
} finally {
for (int i = 0; i < results.length; i++) {
if (results[i] instanceof Result) {
failedCount--;
} else {
if (failed == null) {
failed = new ArrayList<PutStatus>();
}
failed.add(processingList.get(i));
}
}
}
if (failed != null) {
// Resubmit failed puts
for (PutStatus putStatus : failed) {
if (resubmitFailedPut(putStatus, this.addr)) {
failedCount--;
}
}
}
long elapsed = EnvironmentEdgeManager.currentTime() - start;
// Update latency counters
averageLatency.add(elapsed);
if (elapsed > maxLatency.get()) {
maxLatency.set(elapsed);
}
// Log some basic info
if (LOG.isDebugEnabled()) {
LOG.debug(
"Processed "
+ currentProcessingCount
+ " put requests for "
+ addr.getHostnamePort()
+ " and "
+ failedCount
+ " failed"
+ ", latency for this send: "
+ elapsed);
}
// Reset the current processing put count
currentProcessingCount.set(0);
} catch (RuntimeException e) {
// To make findbugs happy
// Log all the exceptions and move on
LOG.debug(
"Caught some exceptions "
+ e
+ " when flushing puts to region server "
+ addr.getHostnamePort(),
e);
} catch (Exception e) {
if (e instanceof InterruptedException) {
Thread.currentThread().interrupt();
}
// Log all the exceptions and move on
LOG.debug(
"Caught some exceptions "
+ e
+ " when flushing puts to region server "
+ addr.getHostnamePort(),
e);
} finally {
// Update the totalFailedCount
this.totalFailedPutCount.addAndGet(failedCount);
}
}
/**
* Looking forward to TransactionalRegion-side implementation
*
* @param transactionState
* @param deletes
* @throws IOException
*/
public void delete(final TransactionState transactionState, List<Delete> deletes)
throws IOException {
long transactionId = transactionState.getTransactionId();
if (LOG.isTraceEnabled())
LOG.trace(
"Enter TransactionalTable.delete[] <List> size: "
+ deletes.size()
+ ", transid: "
+ transactionId);
// collect all rows from same region
final Map<TransactionRegionLocation, List<Delete>> rows =
new HashMap<TransactionRegionLocation, List<Delete>>();
HRegionLocation hlocation = null;
TransactionRegionLocation location = null;
List<Delete> list = null;
int size = 0;
for (Delete del : deletes) {
hlocation = this.getRegionLocation(del.getRow(), false);
location =
new TransactionRegionLocation(hlocation.getRegionInfo(), hlocation.getServerName());
if (LOG.isTraceEnabled())
LOG.trace(
"delete <List> with trRegion ["
+ location.getRegionInfo().getEncodedName()
+ "], endKey: "
+ Hex.encodeHexString(location.getRegionInfo().getEndKey())
+ " and transaction ["
+ transactionId
+ "], delete number: "
+ size);
if (!rows.containsKey(location)) {
if (LOG.isTraceEnabled())
LOG.trace(
"delete adding new <List> for region ["
+ location.getRegionInfo().getRegionNameAsString()
+ "], endKey: "
+ Hex.encodeHexString(location.getRegionInfo().getEndKey())
+ " and transaction ["
+ transactionId
+ "], delete number: "
+ size);
list = new ArrayList<Delete>();
rows.put(location, list);
} else {
list = rows.get(location);
}
list.add(del);
size++;
}
final List<Delete> rowsInSameRegion = new ArrayList<Delete>();
for (Map.Entry<TransactionRegionLocation, List<Delete>> entry : rows.entrySet()) {
rowsInSameRegion.clear();
rowsInSameRegion.addAll(entry.getValue());
final String regionName = entry.getKey().getRegionInfo().getRegionNameAsString();
Batch.Call<TrxRegionService, DeleteMultipleTransactionalResponse> callable =
new Batch.Call<TrxRegionService, DeleteMultipleTransactionalResponse>() {
ServerRpcController controller = new ServerRpcController();
BlockingRpcCallback<DeleteMultipleTransactionalResponse> rpcCallback =
new BlockingRpcCallback<DeleteMultipleTransactionalResponse>();
@Override
public DeleteMultipleTransactionalResponse call(TrxRegionService instance)
throws IOException {
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos
.DeleteMultipleTransactionalRequest.Builder
builder = DeleteMultipleTransactionalRequest.newBuilder();
builder.setTransactionId(transactionState.getTransactionId());
builder.setRegionName(ByteString.copyFromUtf8(regionName));
for (Delete delete : rowsInSameRegion) {
MutationProto m1 = ProtobufUtil.toMutation(MutationType.DELETE, delete);
builder.addDelete(m1);
}
instance.deleteMultiple(controller, builder.build(), rpcCallback);
return rpcCallback.get();
}
};
DeleteMultipleTransactionalResponse result = null;
try {
int retryCount = 0;
boolean retry = false;
do {
Iterator<Map.Entry<byte[], DeleteMultipleTransactionalResponse>> it =
super.coprocessorService(
TrxRegionService.class,
entry.getValue().get(0).getRow(),
entry.getValue().get(0).getRow(),
callable)
.entrySet()
.iterator();
if (it.hasNext()) {
result = it.next().getValue();
retry = false;
}
if (result == null || result.getException().contains("closing region")) {
Thread.sleep(TransactionalTable.delay);
retry = true;
transactionState.setRetried(true);
retryCount++;
}
} while (retryCount < TransactionalTable.retries && retry == true);
} catch (Throwable e) {
if (LOG.isErrorEnabled()) LOG.error("ERROR while calling deleteMultipleTransactional ", e);
throw new IOException("ERROR while calling deleteMultipleTransactional", e);
}
if (result == null) throw new IOException(retryErrMsg);
else if (result.hasException()) throw new IOException(result.getException());
}
}
