mxm commented on code in PR #571:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/571#discussion_r1172575638
##########
flink-kubernetes-operator-autoscaler/src/main/java/org/apache/flink/kubernetes/operator/autoscaler/AutoScalerInfo.java:
##########
@@ -86,20 +87,24 @@ public AutoScalerInfo(Map<String, String> data) {
configMap.setData(Preconditions.checkNotNull(data));
}
- @SneakyThrows
- public SortedMap<Instant, Map<JobVertexID, Map<ScalingMetric, Double>>>
getMetricHistory() {
+ public SortedMap<Instant, CollectedMetrics> getMetricHistory() {
var historyYaml = configMap.getData().get(COLLECTED_METRICS_KEY);
if (historyYaml == null) {
return new TreeMap<>();
}
- return YAML_MAPPER.readValue(decompress(historyYaml), new
TypeReference<>() {});
+ try {
+ return YAML_MAPPER.readValue(decompress(historyYaml), new
TypeReference<>() {});
+ } catch (JsonProcessingException e) {
+ LOG.error(
+ "Could not deserialize metric history, possibly the format
changed. Discarding...");
+ return new TreeMap<>();
Review Comment:
Actually that does not work without a fix that I'm working on right now. If
you re-init, then the job update time can still be in the past which triggers
filling the metric window immediately. PR pending which addresses this.
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