private void parseGPrint(String word) {
String[] tokens = new ColonSplitter(word).split();
if (tokens.length != 4) {
throw new IllegalArgumentException("Invalid GPRINT specification: " + word);
}
gdef.gprint(tokens[1], ConsolFun.valueOf(tokens[2]), tokens[3]);
}
protected void addLegend(RrdGraphDef def, String ds, GraphType gt, String legend) {
if (legend == null) return;
if (gt == GraphType.PERCENTILELEGEND) {
def.comment(legend + "\\g");
int missingLength = Math.min(maxLengthLegend - legend.length(), MANYSPACE.length()) + 2;
if (missingLength > 0) def.comment(MANYSPACE.substring(0, missingLength));
def.gprint(ds, ConsolFun.MAX, "%6.2f%s");
def.comment("\\l");
} else if (gt == GraphType.COMMENT) {
def.comment(legend + "\\l");
} else if (gt != GraphType.NONE) {
def.comment(legend + "\\g");
int missingLength = Math.min(maxLengthLegend - legend.length(), MANYSPACE.length()) + 2;
if (missingLength > 0) def.comment(MANYSPACE.substring(0, missingLength));
def.gprint(ds, ConsolFun.LAST, "%6.2f%s");
def.gprint(ds, ConsolFun.AVERAGE, "%8.2f%s");
def.gprint(ds, ConsolFun.MIN, "%8.2f%s");
def.gprint(ds, ConsolFun.MAX, "%8.2f%s");
def.comment("\\l");
}
}
@Override
public byte[] renderUserMethodGraphForUser(long theUserPid, TimeRange theRange)
throws IOException {
ourLog.info("Rendering user method graph for user {}", theUserPid);
myBroadcastSender.requestFlushQueuedStats();
PersUser user = myDao.getUser(theUserPid);
Date start = theRange.getNoPresetFrom();
Date end = theRange.getNoPresetTo();
if (theRange.getWithPresetRange() != null) {
start =
new Date(
System.currentTimeMillis()
- (theRange.getWithPresetRange().getNumMins() * DateUtils.MILLIS_PER_MINUTE));
end = new Date();
}
HashMap<Long, List<Double>> methods = new HashMap<>();
List<Long> timestamps = new ArrayList<>();
InvocationStatsIntervalEnum nextInterval =
doWithStatsSupportFindInterval(myConfig.getConfig(), start);
Date nextDate = nextInterval.truncate(start);
Date nextDateEnd = null;
List<PersInvocationMethodUserStats> stats = myDao.getUserStatsWithinTimeRange(user, start, end);
Validate.notNull(stats);
stats = new ArrayList<>(stats);
Collections.sort(
stats,
new Comparator<PersInvocationMethodUserStats>() {
@Override
public int compare(
PersInvocationMethodUserStats theO1, PersInvocationMethodUserStats theO2) {
return theO1.getPk().getStartTime().compareTo(theO2.getPk().getStartTime());
}
});
ourLog.debug(
"Loaded {} user {} stats for range {} - {}",
new Object[] {stats.size(), theUserPid, start, end});
if (stats.size() > 0) {
ourLog.debug(
"Found stats with range {} - {}",
stats.get(0).getPk().getStartTime(),
stats.get(stats.size() - 1).getPk().getStartTime());
}
ourLog.debug("Looking for stats starting at {}", nextDate);
Iterator<PersInvocationMethodUserStats> statIter = stats.iterator();
PersInvocationMethodUserStats nextStat = null;
int timesPassed = 0;
int foundEntries = 0;
double grandTotal = 0;
while (nextDate.after(end) == false) {
double numMinutes = nextInterval.numMinutes();
nextDateEnd = DateUtils.addMinutes(nextDate, (int) nextInterval.numMinutes());
timestamps.add(nextDate.getTime());
int arrayIndex = timesPassed;
timesPassed++;
for (List<Double> next : methods.values()) {
next.add(ZERO_DOUBLE);
}
while (nextStat == null || statIter.hasNext()) {
if (nextStat == null && statIter.hasNext()) {
nextStat = statIter.next();
foundEntries++;
}
if (nextStat != null && nextStat.getPk().getStartTime().before(nextDateEnd)) {
long methodPid = nextStat.getPk().getMethod();
List<Double> newList = methods.get(methodPid);
if (newList == null) {
newList = new ArrayList<>();
for (int i = 0; i < timesPassed; i++) {
newList.add(ZERO_DOUBLE);
}
methods.put(methodPid, newList);
}
// TODO: should we have an option to include fails/faults?
double total = nextStat.getSuccessInvocationCount();
double minuteTotal = total / numMinutes;
grandTotal += minuteTotal;
newList.set(arrayIndex, newList.get(arrayIndex) + minuteTotal);
nextStat = null;
} else {
break;
}
}
nextDate = doWithStatsSupportIncrement(nextDate, nextInterval);
nextInterval = doWithStatsSupportFindInterval(myConfig.getConfig(), nextDate);
nextDate = nextInterval.truncate(nextDate);
}
ourLog.debug("Found {} entries for {} methods", new Object[] {foundEntries, methods.size()});
// Come up with a good order
final Map<Long, PersMethod> pidToMethod = new HashMap<>();
for (long nextPid : methods.keySet()) {
PersMethod method = myDao.getServiceVersionMethodByPid(nextPid);
if (method != null) {
pidToMethod.put(nextPid, method);
} else {
ourLog.debug("Discarding unknown method: {}", nextPid);
}
}
ArrayList<Long> pids = new ArrayList<>(pidToMethod.keySet());
Collections.sort(
pids,
new Comparator<Long>() {
@Override
public int compare(Long theO1, Long theO2) {
PersMethod m1 = pidToMethod.get(theO1);
PersMethod m2 = pidToMethod.get(theO2);
return MethodComparator.INSTANCE.compare(m1, m2);
}
});
RrdGraphDef graphDef = new RrdGraphDef();
graphDef.setWidth(600);
graphDef.setHeight(200);
long[] graphTimestamps = new long[timestamps.size()];
for (int i = 0; i < timestamps.size(); i++) {
graphTimestamps[i] = timestamps.get(i) / 1000;
}
graphDef.setTimeSpan(graphTimestamps);
graphDef.setVerticalLabel("Calls / Minute");
graphDef.setTextAntiAliasing(true);
int longestName = 0;
for (PersMethod next : pidToMethod.values()) {
longestName = Math.max(longestName, next.getName().length());
}
// Draw the methods
String previousServiceDesc = null;
List<Color> colours = createStackColours(pids.size());
for (int i = 0; i < pids.size(); i++) {
Long nextPid = pids.get(i);
PersMethod nextMethod = pidToMethod.get(nextPid);
List<Double> values = methods.get(nextPid);
LinearInterpolator avgPlot =
new LinearInterpolator(graphTimestamps, toDoublesFromDoubles(values));
String srcName = "inv" + i;
graphDef.datasource(srcName, avgPlot);
String methodDesc =
nextMethod.getServiceVersion().getService().getServiceId()
+ " "
+ nextMethod.getServiceVersion().getVersionId();
if (!StringUtils.equals(previousServiceDesc, methodDesc)) {
graphDef.comment(methodDesc + "\\l");
previousServiceDesc = methodDesc;
}
double sumDoubles = sumDoubles(values);
double pct = (sumDoubles / grandTotal);
if (i == 0) {
graphDef.area(
srcName, colours.get(i), " " + StringUtils.rightPad(nextMethod.getName(), longestName));
} else {
graphDef.stack(
srcName, colours.get(i), " " + StringUtils.rightPad(nextMethod.getName(), longestName));
}
graphDef.gprint(srcName, ConsolFun.AVERAGE, "Avg %5.1f ");
graphDef.gprint(srcName, ConsolFun.MIN, "Min %5.1f ");
graphDef.gprint(srcName, ConsolFun.MAX, "Max %5.1f ");
String formattedPct = new DecimalFormat("0.0#%").format(pct);
graphDef.comment("Pct: " + formattedPct + "\\l");
}
if (pids.size() == 0) {
double[] values = new double[timestamps.size()];
for (int j = 0; j < values.length; j++) {
values[j] = 0.0;
}
LinearInterpolator avgPlot = new LinearInterpolator(graphTimestamps, values);
String srcName = "inv";
graphDef.datasource(srcName, avgPlot);
graphDef.area(
srcName, Color.BLACK, StringUtils.rightPad("No activity during this range", 100));
}
return render(graphDef);
}
@Override
public byte[] renderSvcVerUsageGraph(long theServiceVersionPid, TimeRange theRange)
throws IOException {
ourLog.info("Rendering latency graph for service version {}", theServiceVersionPid);
myBroadcastSender.requestFlushQueuedStats();
final List<Double> invCount = new ArrayList<>();
final List<Double> invCountFault = new ArrayList<>();
final List<Double> invCountFail = new ArrayList<>();
final List<Double> invCountSecurityFail = new ArrayList<>();
final List<Long> timestamps = new ArrayList<>();
BasePersServiceVersion svcVer = myServiceRegistry.getServiceVersionByPid(theServiceVersionPid);
for (PersMethod nextMethod : svcVer.getMethods()) {
doWithStatsByMinute(
myConfig.getConfig(),
theRange,
myStatus,
nextMethod,
new IWithStats<PersInvocationMethodSvcverStatsPk, PersInvocationMethodSvcverStats>() {
@Override
public void withStats(int theIndex, PersInvocationMethodSvcverStats theStats) {
growToSizeDouble(invCount, theIndex);
growToSizeDouble(invCountFault, theIndex);
growToSizeDouble(invCountFail, theIndex);
growToSizeDouble(invCountSecurityFail, theIndex);
growToSizeLong(timestamps, theIndex);
double numMinutes = theStats.getPk().getInterval().numMinutes();
invCount.set(
theIndex,
invCount.get(theIndex) + (theStats.getSuccessInvocationCount() / numMinutes));
invCountFault.set(
theIndex,
invCountFault.get(theIndex) + (theStats.getFaultInvocationCount() / numMinutes));
invCountFail.set(
theIndex,
invCountFail.get(theIndex) + (theStats.getFailInvocationCount() / numMinutes));
invCountSecurityFail.set(
theIndex,
invCountSecurityFail.get(theIndex)
+ (theStats.getServerSecurityFailures() / numMinutes));
timestamps.set(theIndex, theStats.getPk().getStartTime().getTime());
}
});
}
RrdGraphDef graphDef = new RrdGraphDef();
graphDef.setWidth(600);
graphDef.setHeight(200);
graphDef.setTitle(
"Usage: "
+ svcVer.getService().getDomain().getDomainId()
+ " / "
+ svcVer.getService().getServiceId()
+ " / "
+ svcVer.getVersionId());
long[] timestamps1 = new long[invCount.size()];
for (int i = 0; i < invCount.size(); i++) {
timestamps1[i] = timestamps.get(i) / 1000;
}
graphDef.setTimeSpan(timestamps1);
graphDef.setVerticalLabel("Calls / Min");
graphDef.setTextAntiAliasing(true);
LinearInterpolator avgPlot =
new LinearInterpolator(timestamps1, toDoublesFromDoubles(invCount));
graphDef.datasource("inv", avgPlot);
if (hasValues(invCount)) {
graphDef.area("inv", Color.decode("#00C000"), StringUtils.rightPad("Successful Calls", 20));
graphDef.gprint("inv", ConsolFun.AVERAGE, "Average %8.1f ");
graphDef.gprint("inv", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("inv", ConsolFun.MAX, "Max %8.1f\\l");
} else {
graphDef.area(
"inv",
Color.decode("#00C000"),
StringUtils.rightPad("No Successful calls during this time period\\l", 20));
}
if (hasValues(invCountFault)) {
LinearInterpolator avgFaultPlot =
new LinearInterpolator(timestamps1, toDoublesFromDoubles(invCountFault));
graphDef.datasource("invfault", avgFaultPlot);
graphDef.stack("invfault", Color.decode("#6060C0"), StringUtils.rightPad("Faults", 20));
graphDef.gprint("invfault", ConsolFun.AVERAGE, "Average %8.1f ");
graphDef.gprint("invfault", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("invfault", ConsolFun.MAX, "Max %8.1f\\l");
} else {
graphDef.comment("No Faults during this time period\\l");
}
if (hasValues(invCountFail)) {
LinearInterpolator avgFailPlot =
new LinearInterpolator(timestamps1, toDoublesFromDoubles(invCountFail));
graphDef.datasource("invfail", avgFailPlot);
graphDef.stack("invfail", Color.decode("#F00000"), StringUtils.rightPad("Fails", 20));
graphDef.gprint("invfail", ConsolFun.AVERAGE, "Average %8.1f ");
graphDef.gprint("invfail", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("invfail", ConsolFun.MAX, "Max %8.1f\\l");
} else {
graphDef.comment("No Failures during this time period\\l");
}
if (hasValues(invCountSecurityFail)) {
LinearInterpolator avgSecurityFailPlot =
new LinearInterpolator(timestamps1, toDoublesFromDoubles(invCountSecurityFail));
graphDef.datasource("invSecurityFail", avgSecurityFailPlot);
graphDef.stack(
"invSecurityFail", Color.decode("#F0A000"), StringUtils.rightPad("Security Fails", 20));
graphDef.gprint("invSecurityFail", ConsolFun.AVERAGE, "Average %8.1f ");
graphDef.gprint("invSecurityFail", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("invSecurityFail", ConsolFun.MAX, "Max %8.1f\\l");
} else {
graphDef.comment("No Security Failures during this time period\\l");
}
return render(graphDef);
}
@Override
public byte[] renderSvcVerThrottlingGraph(long theServiceVersionPid, TimeRange theRange)
throws IOException {
ourLog.info("Rendering throttling graph for service version {}", theServiceVersionPid);
myBroadcastSender.requestFlushQueuedStats();
final List<Long> throttleAcceptCount = new ArrayList<>();
final List<Long> throttleRejectCount = new ArrayList<>();
final List<Long> timestamps = new ArrayList<>();
BasePersServiceVersion svcVer = myServiceRegistry.getServiceVersionByPid(theServiceVersionPid);
for (PersMethod nextMethod : svcVer.getMethods()) {
doWithStatsByMinute(
myConfig.getConfig(),
theRange,
myStatus,
nextMethod,
new IWithStats<PersInvocationMethodSvcverStatsPk, PersInvocationMethodSvcverStats>() {
@Override
public void withStats(int theIndex, PersInvocationMethodSvcverStats theStats) {
growToSizeLong(throttleAcceptCount, theIndex);
growToSizeLong(throttleRejectCount, theIndex);
growToSizeLong(timestamps, theIndex);
double numMinutes = theStats.getPk().getInterval().numMinutes();
throttleAcceptCount.set(
theIndex,
throttleAcceptCount.get(theIndex)
+ (int) (theStats.getTotalThrottleAccepts() / numMinutes));
throttleRejectCount.set(
theIndex,
throttleRejectCount.get(theIndex)
+ (int) (theStats.getTotalThrottleRejections() / numMinutes));
timestamps.set(theIndex, theStats.getPk().getStartTime().getTime());
}
});
}
RrdGraphDef graphDef = new RrdGraphDef();
graphDef.setWidth(600);
graphDef.setHeight(200);
graphDef.setTitle(
"Request Throttling: "
+ svcVer.getService().getDomain().getDomainId()
+ " / "
+ svcVer.getService().getServiceId()
+ " / "
+ svcVer.getVersionId());
long[] timestamps1 = new long[timestamps.size()];
for (int i = 0; i < timestamps.size(); i++) {
timestamps1[i] = timestamps.get(i) / 1000;
}
graphDef.setTimeSpan(timestamps1);
graphDef.setVerticalLabel("Throttled Calls / Min");
graphDef.setTextAntiAliasing(true);
LinearInterpolator avgPlot =
new LinearInterpolator(timestamps1, toDoublesFromLongs(throttleAcceptCount));
graphDef.datasource("inv", avgPlot);
graphDef.area(
"inv", Color.GREEN, "Accepted (Throttled but call was allowed to proceed after delay)\\l");
graphDef.gprint("inv", ConsolFun.AVERAGE, "Average %8.1f ");
graphDef.gprint("inv", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("inv", ConsolFun.MAX, "Max %8.1f\\l");
LinearInterpolator avgFaultPlot =
new LinearInterpolator(timestamps1, toDoublesFromLongs(throttleRejectCount));
graphDef.datasource("invfault", avgFaultPlot);
graphDef.stack("invfault", Color.BLUE, "Rejected (Throttle queue was full or not allowed)\\l");
graphDef.gprint("invfault", ConsolFun.AVERAGE, "Average %8.1f ");
graphDef.gprint("invfault", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("invfault", ConsolFun.MAX, "Max %8.1f\\l");
return render(graphDef);
}
@Override
public byte[] renderSvcVerPayloadSizeGraph(long theServiceVersionPid, TimeRange theRange)
throws IOException {
ourLog.info("Rendering payload size graph for service version {}", theServiceVersionPid);
myBroadcastSender.requestFlushQueuedStats();
final List<Integer> invCount = new ArrayList<>();
final List<Long> totalSuccessReqBytes = new ArrayList<>();
final List<Long> totalSuccessRespBytes = new ArrayList<>();
final List<Long> timestamps = new ArrayList<>();
BasePersServiceVersion svcVer = myServiceRegistry.getServiceVersionByPid(theServiceVersionPid);
for (PersMethod nextMethod : svcVer.getMethods()) {
doWithStatsByMinute(
myConfig.getConfig(),
theRange,
myStatus,
nextMethod,
new IWithStats<PersInvocationMethodSvcverStatsPk, PersInvocationMethodSvcverStats>() {
@Override
public void withStats(int theIndex, PersInvocationMethodSvcverStats theStats) {
growToSizeInt(invCount, theIndex);
growToSizeLong(totalSuccessRespBytes, theIndex);
growToSizeLong(totalSuccessReqBytes, theIndex);
growToSizeLong(timestamps, theIndex);
totalSuccessReqBytes.set(
theIndex,
addToLong(
totalSuccessReqBytes.get(theIndex),
theStats.getSuccessRequestMessageBytes()));
totalSuccessRespBytes.set(
theIndex,
addToLong(
totalSuccessRespBytes.get(theIndex),
theStats.getSuccessResponseMessageBytes()));
invCount.set(
theIndex, addToInt(invCount.get(theIndex), theStats.getSuccessInvocationCount()));
timestamps.set(theIndex, theStats.getPk().getStartTime().getTime());
}
});
}
double[] avgSuccessReqSize = new double[invCount.size()];
double[] avgSuccessRespSize = new double[invCount.size()];
for (int i = 0; i < invCount.size(); i++) {
avgSuccessReqSize[i] =
invCount.get(i) == 0 ? 0 : totalSuccessReqBytes.get(i) / invCount.get(i);
avgSuccessRespSize[i] =
invCount.get(i) == 0 ? 0 : totalSuccessRespBytes.get(i) / invCount.get(i);
}
RrdGraphDef graphDef = new RrdGraphDef();
graphDef.setWidth(600);
graphDef.setHeight(200);
graphDef.setTitle(
"Message Payload Size: "
+ svcVer.getService().getDomain().getDomainId()
+ " / "
+ svcVer.getService().getServiceId()
+ " / "
+ svcVer.getVersionId());
long[] timestamps1 = new long[invCount.size()];
double prevReq = 0.0;
double prevResp = 0.0;
for (int i = 0; i < invCount.size(); i++) {
timestamps1[i] = timestamps.get(i) / 1000;
prevReq = avgSuccessReqSize[i] > 0 ? avgSuccessReqSize[i] : prevReq;
avgSuccessReqSize[i] = prevReq;
prevResp = avgSuccessRespSize[i] > 0 ? avgSuccessRespSize[i] : prevResp;
avgSuccessRespSize[i] = prevResp;
}
for (int i = 0; i < avgSuccessReqSize.length; i++) {}
graphDef.setTimeSpan(timestamps1);
graphDef.setVerticalLabel("Bytes / Message");
graphDef.setTextAntiAliasing(true);
LinearInterpolator reqPlot = new LinearInterpolator(timestamps1, avgSuccessReqSize);
graphDef.datasource("req", reqPlot);
graphDef.line("req", Color.RED, "Requests ", 2.0f);
graphDef.gprint("req", ConsolFun.AVERAGE, "Average Size %8.1f ");
graphDef.gprint("req", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("req", ConsolFun.MAX, "Max %8.1f\\l");
LinearInterpolator respPlot = new LinearInterpolator(timestamps1, avgSuccessRespSize);
graphDef.datasource("resp", respPlot);
graphDef.line("resp", Color.GREEN, "Responses ", 2.0f);
graphDef.gprint("resp", ConsolFun.AVERAGE, "Average Size %8.1f ");
graphDef.gprint("resp", ConsolFun.MIN, "Min %8.1f ");
graphDef.gprint("resp", ConsolFun.MAX, "Max %8.1f\\l");
return render(graphDef);
}
@Override
public byte[] renderSvcVerLatencyMethodGraph(
long theSvcVerPid, TimeRange theRange, boolean theIndividualMethod) throws IOException {
ourLog.info("Rendering user method graph for Service Version {}", theSvcVerPid);
myBroadcastSender.requestFlushQueuedStats();
BasePersServiceVersion svcVer = myServiceRegistry.getServiceVersionByPid(theSvcVerPid);
/*
* Init the graph
*/
RrdGraphDef graphDef = new RrdGraphDef();
graphDef.setWidth(600);
graphDef.setHeight(200);
graphDef.setTitle(
"Backing Service Latency: "
+ svcVer.getService().getDomain().getDomainId()
+ " / "
+ svcVer.getService().getServiceId()
+ " / "
+ svcVer.getVersionId());
graphDef.setVerticalLabel("Milliseconds / Call");
graphDef.setTextAntiAliasing(true);
graphDef.setMinValue(0.0);
/*
* Loop through each method and load the latency stats
*/
final List<String> names = new ArrayList<>();
final List<List<Long>> latencyLists = new ArrayList<>();
final List<Long> timestamps = new ArrayList<>();
for (PersMethod nextMethod : svcVer.getMethods()) {
if (BaseDtoServiceVersion.METHOD_NAME_UNKNOWN.equals(nextMethod.getName())) {
continue;
}
final List<Long> latencyMin;
if (theIndividualMethod) {
names.add(nextMethod.getName());
latencyMin = new ArrayList<>();
latencyLists.add(latencyMin);
} else {
if (names.isEmpty()) {
names.add("All Methods");
latencyMin = new ArrayList<>();
latencyLists.add(latencyMin);
} else {
latencyMin = latencyLists.get(0);
}
}
doWithStatsByMinute(
myConfig.getConfig(),
theRange,
myStatus,
nextMethod,
new IWithStats<PersInvocationMethodSvcverStatsPk, PersInvocationMethodSvcverStats>() {
@Override
public void withStats(int theIndex, PersInvocationMethodSvcverStats theStats) {
growToSizeLong(latencyMin, theIndex);
growToSizeLong(timestamps, theIndex);
long latency =
theStats.getSuccessInvocationTotalTime() > 0
? theStats.getSuccessInvocationTotalTime()
/ theStats.getSuccessInvocationCount()
: 0;
latencyMin.set(theIndex, addToLong(latencyMin.get(theIndex), latency));
timestamps.set(theIndex, theStats.getPk().getStartTime().getTime());
}
});
}
/*
* Set time span
*/
long[] graphTimestamps = new long[timestamps.size()];
for (int i = 0; i < timestamps.size(); i++) {
graphTimestamps[i] = timestamps.get(i) / 1000;
}
graphDef.setTimeSpan(graphTimestamps);
/*
* Figure out the longest name
*/
int longestName = 0;
for (String next : names) {
longestName = Math.max(longestName, next.length());
}
/*
* Straighten
*/
int numWithValues = 0;
List<Boolean> hasValuesList = new ArrayList<>();
for (List<Long> nextList : latencyLists) {
boolean hasValues = false;
for (int i = 0; i < nextList.size(); i++) {
long l = nextList.get(i);
if (l == 0) {
if (i > 0 && nextList.get(i - 1) > 0) {
nextList.set(i, nextList.get(i - 1));
}
} else {
hasValues = true;
}
}
hasValuesList.add(hasValues);
if (hasValues) {
numWithValues++;
}
}
/*
* Figure out colours
*/
List<Color> colours = new ArrayList<>();
int colourIndex = 0;
for (int i = 0; i < hasValuesList.size(); i++) {
if (hasValuesList.get(i)) {
colours.add(createStackColour(numWithValues, colourIndex++));
} else {
colours.add(Color.black);
}
}
/*
* Add the lines to the graph
*/
for (int i = 0; i < names.size(); i++) {
String name = names.get(i);
List<Long> latencyMin = latencyLists.get(i);
Plottable avgPlot = new LinearInterpolator(graphTimestamps, toDoublesFromLongs(latencyMin));
String srcName = "inv" + i;
graphDef.datasource(srcName, avgPlot);
graphDef.line(srcName, colours.get(i), " " + StringUtils.rightPad(name, longestName), 2);
if (hasValuesList.get(i)) {
graphDef.gprint(srcName, ConsolFun.AVERAGE, "Avg %5.1f ");
graphDef.gprint(srcName, ConsolFun.MIN, "Min %5.1f ");
graphDef.gprint(srcName, ConsolFun.MAX, "Max %5.1f \\l");
} else {
graphDef.comment("No Invocations During This Period\\l");
}
}
return render(graphDef);
}
@Override
public byte[] createGraph(
String metricName,
String rrdFilename,
long startTime,
long endTime,
String verticalAxisLabel,
String title)
throws IOException, MetricsGraphException {
// Create RRD DB in read-only mode for the specified RRD file
RrdDb rrdDb = new RrdDb(rrdFilename, true);
// Extract the data source (should always only be one data source per RRD file - otherwise we
// have a problem)
if (rrdDb.getDsCount() != 1) {
throw new MetricsGraphException(
"Only one data source per RRD file is supported - RRD file "
+ rrdFilename
+ " has "
+ rrdDb.getDsCount()
+ " data sources.");
}
// Define attributes of the graph to be created for this metric
RrdGraphDef graphDef = new RrdGraphDef();
graphDef.setTimeSpan(startTime, endTime);
graphDef.setImageFormat("PNG");
graphDef.setShowSignature(false);
graphDef.setStep(60);
graphDef.setVerticalLabel(verticalAxisLabel);
graphDef.setHeight(500);
graphDef.setWidth(1000);
graphDef.setTitle(title);
DsType dataSourceType = rrdDb.getDatasource(0).getType();
// Determine if the Data Source for this RRD file is a COUNTER or GAUGE
// (Need to know this because COUNTER data is averaged across samples and the vertical axis of
// the
// generated graph by default will show data per rrdStep interval)
if (dataSourceType == DsType.COUNTER) {
// If we ever needed to adjust the metric's data collected by RRD by the archive step
// (which is the rrdStep * archiveSampleCount) this is how to do it.
// FetchRequest fetchRequest = rrdDb.createFetchRequest(ConsolFun.AVERAGE,
// startTime, endTime);
// Archive archive = rrdDb.findMatchingArchive(fetchRequest);
// long archiveStep = archive.getArcStep();
// LOGGER.debug("archiveStep = " + archiveStep);
long rrdStep = rrdDb.getRrdDef().getStep();
LOGGER.debug("rrdStep = " + rrdStep);
// Still TBD if we want to graph the AVERAGE data on the same graph
// graphDef.comment(metricName + " ");
// graphDef.datasource("myAverage", rrdFilename, "data", ConsolFun.AVERAGE);
// graphDef.datasource("realAverage", "myAverage," + rrdStep + ",*");
// graphDef.line("realAverage", Color.GREEN, "Average", 2);
// Multiplied by the rrdStep to "undo" the automatic averaging that RRD does
// when it collects TOTAL data - we want the actual totals for the step, not
// the average of the totals.
graphDef.datasource("myTotal", rrdFilename, "data", ConsolFun.TOTAL);
graphDef.datasource("realTotal", "myTotal," + rrdStep + ",*");
graphDef.line("realTotal", Color.BLUE, convertCamelCase(metricName), 2);
// Add some spacing between the graph and the summary stats shown beneath the graph
graphDef.comment("\\s");
graphDef.comment("\\s");
graphDef.comment("\\c");
// Average, Min, and Max over all of the TOTAL data - displayed at bottom of the graph
graphDef.gprint("realTotal", ConsolFun.AVERAGE, "Average = %.3f%s");
graphDef.gprint("realTotal", ConsolFun.MIN, "Min = %.3f%s");
graphDef.gprint("realTotal", ConsolFun.MAX, "Max = %.3f%s");
} else if (dataSourceType == DsType.GAUGE) {
graphDef.datasource("myAverage", rrdFilename, "data", ConsolFun.AVERAGE);
graphDef.line("myAverage", Color.RED, convertCamelCase(metricName), 2);
// Add some spacing between the graph and the summary stats shown beneath the graph
graphDef.comment("\\s");
graphDef.comment("\\s");
graphDef.comment("\\c");
// Average, Min, and Max over all of the AVERAGE data - displayed at bottom of the graph
graphDef.gprint("myAverage", ConsolFun.AVERAGE, "Average = %.3f%s");
graphDef.gprint("myAverage", ConsolFun.MIN, "Min = %.3f%s");
graphDef.gprint("myAverage", ConsolFun.MAX, "Max = %.3f%s");
} else {
rrdDb.close();
throw new MetricsGraphException(
"Unsupported data source type "
+ dataSourceType.name()
+ " in RRD file "
+ rrdFilename
+ ", only COUNTER and GAUGE data source types supported.");
}
rrdDb.close();
// Use "-" as filename so that RRD creates the graph only in memory (no file is
// created, hence no file locking problems due to race conditions between multiple clients)
graphDef.setFilename("-");
RrdGraph graph = new RrdGraph(graphDef);
return graph.getRrdGraphInfo().getBytes();
}