Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add per model metrics #40

Merged
merged 1 commit into from
Oct 11, 2023
Merged

Add per model metrics #40

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
112 changes: 84 additions & 28 deletions src/main/java/com/ibm/watson/modelmesh/Metrics.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@

package com.ibm.watson.modelmesh;

import com.google.common.base.Strings;
import com.ibm.watson.prometheus.Counter;
import com.ibm.watson.prometheus.Gauge;
import com.ibm.watson.prometheus.Histogram;
Expand All @@ -36,34 +37,39 @@
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.lang.reflect.Array;
import java.net.SocketAddress;
import java.nio.channels.DatagramChannel;
import java.util.*;
import java.util.Collections;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.stream.Stream;

import static com.ibm.watson.modelmesh.Metric.*;
import static com.ibm.watson.modelmesh.Metric.MetricType.*;
import static com.ibm.watson.modelmesh.ModelMesh.M;
import static com.ibm.watson.modelmesh.ModelMeshEnvVars.MMESH_CUSTOM_ENV_VAR;
import static com.ibm.watson.modelmesh.ModelMeshEnvVars.MMESH_METRICS_ENV_VAR;
import static java.util.concurrent.TimeUnit.*;

/**
*
*/
interface Metrics extends AutoCloseable {
boolean isPerModelMetricsEnabled();

boolean isEnabled();

void logTimingMetricSince(Metric metric, long prevTime, boolean isNano);

void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano);
void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano, String modelId);

void logSizeEventMetric(Metric metric, long value);
void logSizeEventMetric(Metric metric, long value, String modelId);

void logGaugeMetric(Metric metric, long value);

Expand Down Expand Up @@ -101,7 +107,7 @@ default void logInstanceStats(final InstanceRecord ir) {
* @param respPayloadSize response payload size in bytes (or -1 if not applicable)
*/
void logRequestMetrics(boolean external, String name, long elapsedNanos, Code code,
int reqPayloadSize, int respPayloadSize);
int reqPayloadSize, int respPayloadSize, String modelId, String vModelId);

default void registerGlobals() {}

Expand All @@ -111,6 +117,11 @@ default void unregisterGlobals() {}
default void close() {}

Metrics NO_OP_METRICS = new Metrics() {
@Override
public boolean isPerModelMetricsEnabled() {
return false;
}

@Override
public boolean isEnabled() {
return false;
Expand All @@ -120,10 +131,10 @@ public boolean isEnabled() {
public void logTimingMetricSince(Metric metric, long prevTime, boolean isNano) {}

@Override
public void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano) {}
public void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano, String modelId){}

@Override
public void logSizeEventMetric(Metric metric, long value) {}
public void logSizeEventMetric(Metric metric, long value, String modelId){}

@Override
public void logGaugeMetric(Metric metric, long value) {}
Expand All @@ -136,7 +147,7 @@ public void logInstanceStats(InstanceRecord ir) {}

@Override
public void logRequestMetrics(boolean external, String name, long elapsedNanos, Code code,
int reqPayloadSize, int respPayloadSize) {}
int reqPayloadSize, int respPayloadSize, String modelId, String vModelId) {}
};

final class PrometheusMetrics implements Metrics {
Expand All @@ -154,12 +165,14 @@ final class PrometheusMetrics implements Metrics {
private final CollectorRegistry registry;
private final NettyServer metricServer;
private final boolean shortNames;
private final boolean perModelMetricsEnabled;
private final EnumMap<Metric, Collector> metricsMap = new EnumMap<>(Metric.class);

public PrometheusMetrics(Map<String, String> params, Map<String, String> infoMetricParams) throws Exception {
int port = 2112;
boolean shortNames = true;
boolean https = true;
boolean perModelMetricsEnabled = true;
String memMetrics = "all"; // default to all
for (Entry<String, String> ent : params.entrySet()) {
switch (ent.getKey()) {
Expand All @@ -170,6 +183,9 @@ public PrometheusMetrics(Map<String, String> params, Map<String, String> infoMet
throw new Exception("Invalid metrics port: " + ent.getValue());
}
break;
case "per_model_metrics":
perModelMetricsEnabled= "true".equalsIgnoreCase(ent.getValue());
break;
case "fq_names":
shortNames = !"true".equalsIgnoreCase(ent.getValue());
break;
Expand All @@ -188,6 +204,7 @@ public PrometheusMetrics(Map<String, String> params, Map<String, String> infoMet
throw new Exception("Unrecognized metrics config parameter: " + ent.getKey());
}
}
this.perModelMetricsEnabled = perModelMetricsEnabled;

registry = new CollectorRegistry();
for (Metric m : Metric.values()) {
Expand Down Expand Up @@ -220,10 +237,15 @@ public PrometheusMetrics(Map<String, String> params, Map<String, String> infoMet
}

if (m == API_REQUEST_TIME || m == API_REQUEST_COUNT || m == INVOKE_MODEL_TIME
|| m == INVOKE_MODEL_COUNT || m == REQUEST_PAYLOAD_SIZE || m == RESPONSE_PAYLOAD_SIZE) {
builder.labelNames("method", "code");
|| m == INVOKE_MODEL_COUNT || m == REQUEST_PAYLOAD_SIZE || m == RESPONSE_PAYLOAD_SIZE) {
if (this.perModelMetricsEnabled) {
builder.labelNames("method", "code", "modelId", "vModelId");
} else {
builder.labelNames("method", "code");
}
} else if (this.perModelMetricsEnabled && m.type != GAUGE && m.type != COUNTER && m.type != COUNTER_WITH_HISTO) {
builder.labelNames("modelId", "vModelId");
}

Collector collector = builder.name(m.promName).help(m.description).create();
metricsMap.put(m, collector);
if (!m.global) {
Expand Down Expand Up @@ -330,6 +352,11 @@ public void close() {
this.metricServer.close();
}

@Override
public boolean isPerModelMetricsEnabled() {
return perModelMetricsEnabled;
}

@Override
public boolean isEnabled() {
return true;
Expand All @@ -342,13 +369,23 @@ public void logTimingMetricSince(Metric metric, long prevTime, boolean isNano) {
}

@Override
public void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano) {
((Histogram) metricsMap.get(metric)).observe(isNano ? elapsed / M : elapsed);
public void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano, String modelId) {
Histogram histogram = (Histogram) metricsMap.get(metric);
if (perModelMetricsEnabled && modelId != null) {
histogram.labels(modelId, "").observe(isNano ? elapsed / M : elapsed);
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

It would be good to add a description for this label.

} else {
histogram.observe(isNano ? elapsed / M : elapsed);
}
}

@Override
public void logSizeEventMetric(Metric metric, long value) {
((Histogram) metricsMap.get(metric)).observe(value * metric.newMultiplier);
public void logSizeEventMetric(Metric metric, long value, String modelId) {
Histogram histogram = (Histogram) metricsMap.get(metric);
if (perModelMetricsEnabled) {
histogram.labels(modelId, "").observe(value * metric.newMultiplier);
} else {
histogram.observe(value * metric.newMultiplier);
}
}

@Override
Expand All @@ -365,23 +402,37 @@ public void logCounterMetric(Metric metric) {

@Override
public void logRequestMetrics(boolean external, String name, long elapsedNanos, Code code,
int reqPayloadSize, int respPayloadSize) {
int reqPayloadSize, int respPayloadSize, String modelId, String vModelId) {
final long elapsedMillis = elapsedNanos / M;
final Histogram timingHisto = (Histogram) metricsMap
.get(external ? API_REQUEST_TIME : INVOKE_MODEL_TIME);

int idx = shortNames ? name.indexOf('/') : -1;
final String methodName = idx == -1 ? name : name.substring(idx + 1);

timingHisto.labels(methodName, code.name()).observe(elapsedMillis);

String methodName = idx == -1 ? name : name.substring(idx + 1);
if (perModelMetricsEnabled) {
modelId = Strings.nullToEmpty(modelId);
Copy link
Member

@spolti spolti Oct 11, 2023 •
edited
Loading

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

my 2 cents:
Here I would use Optional or Objects.toString(env, $desiredValue).
It will avoid using external libraries.

vModelId = Strings.nullToEmpty(vModelId);
}
if (perModelMetricsEnabled) {
timingHisto.labels(methodName, code.name(), modelId, vModelId).observe(elapsedMillis);
} else {
timingHisto.labels(methodName, code.name()).observe(elapsedMillis);
}
if (reqPayloadSize != -1) {
((Histogram) metricsMap.get(REQUEST_PAYLOAD_SIZE))
.labels(methodName, code.name()).observe(reqPayloadSize);
Histogram reqPayloadHisto = (Histogram) metricsMap.get(REQUEST_PAYLOAD_SIZE);
if (perModelMetricsEnabled) {
reqPayloadHisto.labels(methodName, code.name(), modelId, vModelId).observe(reqPayloadSize);
} else {
reqPayloadHisto.labels(methodName, code.name()).observe(reqPayloadSize);
}
}
if (respPayloadSize != -1) {
((Histogram) metricsMap.get(RESPONSE_PAYLOAD_SIZE))
.labels(methodName, code.name()).observe(respPayloadSize);
Histogram respPayloadHisto = (Histogram) metricsMap.get(RESPONSE_PAYLOAD_SIZE);
if (perModelMetricsEnabled) {
respPayloadHisto.labels(methodName, code.name(), modelId, vModelId).observe(respPayloadSize);
} else {
respPayloadHisto.labels(methodName, code.name()).observe(respPayloadSize);
}
}
}

Expand Down Expand Up @@ -437,6 +488,11 @@ protected StatsDSender createSender(Callable<SocketAddress> addressLookup, int q
+ (shortNames ? "short" : "fully-qualified") + " method names");
}

@Override
public boolean isPerModelMetricsEnabled() {
return false;
}

@Override
public boolean isEnabled() {
return true;
Expand All @@ -454,12 +510,12 @@ public void logTimingMetricSince(Metric metric, long prevTime, boolean isNano) {
}

@Override
public void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano) {
public void logTimingMetricDuration(Metric metric, long elapsed, boolean isNano, String modelId) {
client.recordExecutionTime(name(metric), isNano ? elapsed / M : elapsed);
}

@Override
public void logSizeEventMetric(Metric metric, long value) {
public void logSizeEventMetric(Metric metric, long value, String modelId) {
if (!legacy) {
value *= metric.newMultiplier;
}
Expand Down Expand Up @@ -497,7 +553,7 @@ static String[] getOkTags(String method, boolean shortName) {

@Override
public void logRequestMetrics(boolean external, String name, long elapsedNanos, Code code,
int reqPayloadSize, int respPayloadSize) {
int reqPayloadSize, int respPayloadSize, String modelId, String vModelId) {
final StatsDClient client = this.client;
final long elapsedMillis = elapsedNanos / M;
final String countName = name(external ? API_REQUEST_COUNT : INVOKE_MODEL_COUNT);
Expand Down
Loading