kezhenxu94 commented on a change in pull request #8193:
URL: https://github.com/apache/skywalking/pull/8193#discussion_r757836878
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File path:
oap-server/server-receiver-plugin/envoy-metrics-receiver-plugin/src/main/java/org/apache/skywalking/oap/server/receiver/envoy/AccessLogServiceGRPCHandler.java
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@@ -105,7 +110,7 @@ public AccessLogServiceGRPCHandler(ModuleManager manager,
public void onNext(StreamAccessLogsMessage message) {
HistogramMetrics.Timer timer = histogram.createTimer();
try {
- if (isFirst) {
+ if (isFirst || (alwaysAnalyzeIdentity &&
message.getIdentifier() != null)) {
Review comment:
> What you are concerned and asked about actually is already there after
local balancer added. So, generally, you need a tradeoff, because trying to
balance 2k+ envoy instances, the streaming must be merged one way or another.
I agree we need tradeoff and I've also given another merging strategy for
discussion, which I think might be better
https://github.com/apache/skywalking/pull/8193#issuecomment-980766033
> So, generally, your asking about more resource cost at OAP side is true,
but not because of this flag, but load balancing mechanism.
I doubt this and need to confirm with @mrproliu .
Despite of all above, `if (isFirst || (alwaysAnalyzeIdentity &&
message.getIdentifier() != null))` is buggy because `message.getIdentifier()`
is never null, it returns a default instance if `identifier == null`
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