merlimat commented on code in PR #16197:
URL: https://github.com/apache/pulsar/pull/16197#discussion_r905256960
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/stats/prometheus/PrometheusMetricsGenerator.java:
##########
@@ -318,4 +298,40 @@ private static void
generateManagedLedgerBookieClientMetrics(PulsarService pulsa
// nop
}
}
+
+
+ private static void writeOutMetricData(OutputStream out, ByteBuf buffer,
boolean exposeBufferMetrics,
+ boolean enableCompress) throws
IOException {
+ try {
+ if (enableCompress) {
+ out = new GZIPOutputStream(out);
Review Comment:
I think `GZIPOutputStream` will create a lot of garbage on the JVM heap :|
Could we just use
`org.apache.pulsar.common.compression.CompressionCodecZLib` on the buffer?
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