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Delay performance logging because metrics endpoint is empty immediately after startup

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TheOtherP 2023-01-22 12:14:09 +01:00
parent 98979a5bf5
commit 5c5e429141
4 changed files with 93 additions and 66 deletions
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12
compileCore.cmd Normal file
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@ -0,0 +1,12 @@
@echo off
setlocal
call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Auxiliary\Build\vcvarsall.bat" x64
set path=c:\Programme\graalvm-ce-java17-22.2.0\bin\;%PATH%;c:\Programme\graalvm-ce-java17-22.2.0\bin\
set java_home=c:\Programme\graalvm-ce-java17-22.2.0\
set HYDRA_NATIVE_BUILD=true
call mvn -pl org.nzbhydra:core -Pnative clean compile package -DskipTests
endlocal

1
core/src/main/java/org/nzbhydra/NativeHints.java
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@ -76,6 +76,7 @@ public class NativeHints implements RuntimeHintsRegistrar {
}
try {
hints.reflection().registerMethod(MetricsEndpoint.class.getMethod("metric", String.class, List.class), ExecutableMode.INVOKE);
hints.reflection().registerMethod(MetricsEndpoint.MetricDescriptor.class.getMethod("getMeasurements"), ExecutableMode.INVOKE);
hints.reflection().registerMethod(ThreadDumpEndpoint.class.getMethod("textThreadDump"), ExecutableMode.INVOKE);
} catch (NoSuchMethodException e) {
throw new RuntimeException(e);

10
core/src/main/java/org/nzbhydra/debuginfos/DebugInfosProvider.java
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@ -48,6 +48,7 @@ import java.nio.file.Files;
import java.text.DecimalFormat;
import java.time.Instant;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@ -99,18 +100,23 @@ public class DebugInfosProvider {
private final List<TimeAndThreadCpuUsages> timeAndThreadCpuUsagesList = new ArrayList<>();
private final Map<String, Long> lastThreadCpuTimes = new HashMap<>();
@PostConstruct
public void logMetrics() {
try {
if (!configProvider.getBaseConfig().getMain().getLogging().getMarkersToLog().contains(LoggingMarkers.PERFORMANCE.getName())) {
return;
}
final ScheduledExecutorService scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
//The metrics endpoint is not available immediately after startup
scheduledExecutorService.schedule(() -> {
logger.debug(LoggingMarkers.PERFORMANCE, "Will log performance metrics every {} seconds", LOG_METRICS_EVERY_SECONDS);
ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
executor.scheduleAtFixedRate(() -> {
try {
final String cpuMetric = "process.cpu.usage";
String message = "Process CPU usage: " + formatSample(cpuMetric, metricsEndpoint.metric(cpuMetric, null).getMeasurements().get(0).getValue());
String message = "Process CPU usage: " + formatSample(cpuMetric, metricsEndpoint.metric(cpuMetric, Collections.emptyList()).getMeasurements().get(0).getValue());
logger.debug(LoggingMarkers.PERFORMANCE, message);
} catch (Exception e) {
logger.debug(LoggingMarkers.PERFORMANCE, "Error while logging CPU usage", e);
@ -172,6 +178,8 @@ public class DebugInfosProvider {
}
}, 0, LOG_METRICS_EVERY_SECONDS, TimeUnit.SECONDS);
}, 5, TimeUnit.SECONDS);
} catch (Exception e) {
logger.error("Error initializing performance metrics reading", e);
}

6
core/src/main/resources/changelog.yaml
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@ -1,4 +1,10 @@
---
- version: "v5.0.8"
date: "2023-01-22"
changes:
- type: "fix"
text: "Fixed performance logging. In 5.0.6 I disabled it, now it actually works."
final: true
- version: "v5.0.7"
date: "2023-01-22"
changes: