@Test(timeout = 300000)
public void testClusterRequests() throws Exception {
// sending fake request to master to see how metric value has changed
RegionServerStatusProtos.RegionServerReportRequest.Builder request =
RegionServerStatusProtos.RegionServerReportRequest.newBuilder();
ServerName serverName = cluster.getMaster(0).getServerName();
request.setServer(ProtobufUtil.toServerName(serverName));
MetricsMasterSource masterSource = master.getMasterMetrics().getMetricsSource();
ClusterStatusProtos.ServerLoad sl =
ClusterStatusProtos.ServerLoad.newBuilder().setTotalNumberOfRequests(10000).build();
masterSource.init();
request.setLoad(sl);
master.getMasterRpcServices().regionServerReport(null, request.build());
metricsHelper.assertCounter("cluster_requests", 10000, masterSource);
sl = ClusterStatusProtos.ServerLoad.newBuilder().setTotalNumberOfRequests(15000).build();
request.setLoad(sl);
master.getMasterRpcServices().regionServerReport(null, request.build());
metricsHelper.assertCounter("cluster_requests", 15000, masterSource);
master.getMasterRpcServices().regionServerReport(null, request.build());
metricsHelper.assertCounter("cluster_requests", 15000, masterSource);
master.stopMaster();
}
/** This class is used for exporting current state of load on a RegionServer. */
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class ServerLoad {
private int stores = 0;
private int storefiles = 0;
private int storeUncompressedSizeMB = 0;
private int storefileSizeMB = 0;
private int memstoreSizeMB = 0;
private int storefileIndexSizeMB = 0;
private long readRequestsCount = 0;
private long writeRequestsCount = 0;
private int rootIndexSizeKB = 0;
private int totalStaticIndexSizeKB = 0;
private int totalStaticBloomSizeKB = 0;
private long totalCompactingKVs = 0;
private long currentCompactedKVs = 0;
public ServerLoad(ClusterStatusProtos.ServerLoad serverLoad) {
this.serverLoad = serverLoad;
for (ClusterStatusProtos.RegionLoad rl : serverLoad.getRegionLoadsList()) {
stores += rl.getStores();
storefiles += rl.getStorefiles();
storeUncompressedSizeMB += rl.getStoreUncompressedSizeMB();
storefileSizeMB += rl.getStorefileSizeMB();
memstoreSizeMB += rl.getMemstoreSizeMB();
storefileIndexSizeMB += rl.getStorefileIndexSizeMB();
readRequestsCount += rl.getReadRequestsCount();
writeRequestsCount += rl.getWriteRequestsCount();
rootIndexSizeKB += rl.getRootIndexSizeKB();
totalStaticIndexSizeKB += rl.getTotalStaticIndexSizeKB();
totalStaticBloomSizeKB += rl.getTotalStaticBloomSizeKB();
totalCompactingKVs += rl.getTotalCompactingKVs();
currentCompactedKVs += rl.getCurrentCompactedKVs();
}
}
// NOTE: Function name cannot start with "get" because then an OpenDataException is thrown because
// HBaseProtos.ServerLoad cannot be converted to an open data type(see HBASE-5967).
/* @return the underlying ServerLoad protobuf object */
public ClusterStatusProtos.ServerLoad obtainServerLoadPB() {
return serverLoad;
}
protected ClusterStatusProtos.ServerLoad serverLoad;
/* @return number of requests since last report. */
public long getNumberOfRequests() {
return serverLoad.getNumberOfRequests();
}
public boolean hasNumberOfRequests() {
return serverLoad.hasNumberOfRequests();
}
/* @return total Number of requests from the start of the region server. */
public long getTotalNumberOfRequests() {
return serverLoad.getTotalNumberOfRequests();
}
public boolean hasTotalNumberOfRequests() {
return serverLoad.hasTotalNumberOfRequests();
}
/* @return the amount of used heap, in MB. */
public int getUsedHeapMB() {
return serverLoad.getUsedHeapMB();
}
public boolean hasUsedHeapMB() {
return serverLoad.hasUsedHeapMB();
}
/* @return the maximum allowable size of the heap, in MB. */
public int getMaxHeapMB() {
return serverLoad.getMaxHeapMB();
}
public boolean hasMaxHeapMB() {
return serverLoad.hasMaxHeapMB();
}
public int getStores() {
return stores;
}
public int getStorefiles() {
return storefiles;
}
public int getStoreUncompressedSizeMB() {
return storeUncompressedSizeMB;
}
public int getStorefileSizeInMB() {
return storefileSizeMB;
}
public int getMemstoreSizeInMB() {
return memstoreSizeMB;
}
public int getStorefileIndexSizeInMB() {
return storefileIndexSizeMB;
}
public long getReadRequestsCount() {
return readRequestsCount;
}
public long getWriteRequestsCount() {
return writeRequestsCount;
}
public int getRootIndexSizeKB() {
return rootIndexSizeKB;
}
public int getTotalStaticIndexSizeKB() {
return totalStaticIndexSizeKB;
}
public int getTotalStaticBloomSizeKB() {
return totalStaticBloomSizeKB;
}
public long getTotalCompactingKVs() {
return totalCompactingKVs;
}
public long getCurrentCompactedKVs() {
return currentCompactedKVs;
}
/** @return the number of regions */
public int getNumberOfRegions() {
return serverLoad.getRegionLoadsCount();
}
public int getInfoServerPort() {
return serverLoad.getInfoServerPort();
}
/**
* Call directly from client such as hbase shell
*
* @return the list of ReplicationLoadSource
*/
public List<ReplicationLoadSource> getReplicationLoadSourceList() {
return ProtobufUtil.toReplicationLoadSourceList(serverLoad.getReplLoadSourceList());
}
/**
* Call directly from client such as hbase shell
*
* @return ReplicationLoadSink
*/
public ReplicationLoadSink getReplicationLoadSink() {
if (serverLoad.hasReplLoadSink()) {
return ProtobufUtil.toReplicationLoadSink(serverLoad.getReplLoadSink());
} else {
return null;
}
}
/**
* Originally, this method factored in the effect of requests going to the server as well.
* However, this does not interact very well with the current region rebalancing code, which only
* factors number of regions. For the interim, until we can figure out how to make rebalancing use
* all the info available, we're just going to make load purely the number of regions.
*
* @return load factor for this server
*/
public int getLoad() {
// See above comment
// int load = numberOfRequests == 0 ? 1 : numberOfRequests;
// load *= numberOfRegions == 0 ? 1 : numberOfRegions;
// return load;
return getNumberOfRegions();
}
/** @return region load metrics */
public Map<byte[], RegionLoad> getRegionsLoad() {
Map<byte[], RegionLoad> regionLoads = new TreeMap<byte[], RegionLoad>(Bytes.BYTES_COMPARATOR);
for (ClusterStatusProtos.RegionLoad rl : serverLoad.getRegionLoadsList()) {
RegionLoad regionLoad = new RegionLoad(rl);
regionLoads.put(regionLoad.getName(), regionLoad);
}
return regionLoads;
}
/**
* Return the RegionServer-level coprocessors
*
* @return string array of loaded RegionServer-level coprocessors
*/
public String[] getRegionServerCoprocessors() {
List<Coprocessor> list = obtainServerLoadPB().getCoprocessorsList();
String[] ret = new String[list.size()];
int i = 0;
for (Coprocessor elem : list) {
ret[i++] = elem.getName();
}
return ret;
}
/**
* Return the RegionServer-level and Region-level coprocessors
*
* @return string array of loaded RegionServer-level and Region-level coprocessors
*/
public String[] getRsCoprocessors() {
// Need a set to remove duplicates, but since generated Coprocessor class
// is not Comparable, make it a Set<String> instead of Set<Coprocessor>
TreeSet<String> coprocessSet = new TreeSet<String>();
for (Coprocessor coprocessor : obtainServerLoadPB().getCoprocessorsList()) {
coprocessSet.add(coprocessor.getName());
}
return coprocessSet.toArray(new String[coprocessSet.size()]);
}
/** @return number of requests per second received since the last report */
public double getRequestsPerSecond() {
return getNumberOfRequests();
}
/** @see java.lang.Object#toString() */
@Override
public String toString() {
StringBuilder sb =
Strings.appendKeyValue(
new StringBuilder(), "requestsPerSecond", Double.valueOf(getRequestsPerSecond()));
Strings.appendKeyValue(sb, "numberOfOnlineRegions", Integer.valueOf(getNumberOfRegions()));
sb = Strings.appendKeyValue(sb, "usedHeapMB", Integer.valueOf(this.getUsedHeapMB()));
sb = Strings.appendKeyValue(sb, "maxHeapMB", Integer.valueOf(getMaxHeapMB()));
sb = Strings.appendKeyValue(sb, "numberOfStores", Integer.valueOf(this.stores));
sb = Strings.appendKeyValue(sb, "numberOfStorefiles", Integer.valueOf(this.storefiles));
sb =
Strings.appendKeyValue(
sb, "storefileUncompressedSizeMB", Integer.valueOf(this.storeUncompressedSizeMB));
sb = Strings.appendKeyValue(sb, "storefileSizeMB", Integer.valueOf(this.storefileSizeMB));
if (this.storeUncompressedSizeMB != 0) {
sb =
Strings.appendKeyValue(
sb,
"compressionRatio",
String.format(
"%.4f", (float) this.storefileSizeMB / (float) this.storeUncompressedSizeMB));
}
sb = Strings.appendKeyValue(sb, "memstoreSizeMB", Integer.valueOf(this.memstoreSizeMB));
sb =
Strings.appendKeyValue(
sb, "storefileIndexSizeMB", Integer.valueOf(this.storefileIndexSizeMB));
sb = Strings.appendKeyValue(sb, "readRequestsCount", Long.valueOf(this.readRequestsCount));
sb = Strings.appendKeyValue(sb, "writeRequestsCount", Long.valueOf(this.writeRequestsCount));
sb = Strings.appendKeyValue(sb, "rootIndexSizeKB", Integer.valueOf(this.rootIndexSizeKB));
sb =
Strings.appendKeyValue(
sb, "totalStaticIndexSizeKB", Integer.valueOf(this.totalStaticIndexSizeKB));
sb =
Strings.appendKeyValue(
sb, "totalStaticBloomSizeKB", Integer.valueOf(this.totalStaticBloomSizeKB));
sb = Strings.appendKeyValue(sb, "totalCompactingKVs", Long.valueOf(this.totalCompactingKVs));
sb = Strings.appendKeyValue(sb, "currentCompactedKVs", Long.valueOf(this.currentCompactedKVs));
float compactionProgressPct = Float.NaN;
if (this.totalCompactingKVs > 0) {
compactionProgressPct =
Float.valueOf((float) this.currentCompactedKVs / this.totalCompactingKVs);
}
sb = Strings.appendKeyValue(sb, "compactionProgressPct", compactionProgressPct);
String[] coprocessorStrings = getRsCoprocessors();
if (coprocessorStrings != null) {
sb = Strings.appendKeyValue(sb, "coprocessors", Arrays.toString(coprocessorStrings));
}
return sb.toString();
}
public static final ServerLoad EMPTY_SERVERLOAD =
new ServerLoad(ClusterStatusProtos.ServerLoad.newBuilder().build());
}