mrproliu commented on a change in pull request #95:
URL:
https://github.com/apache/skywalking-satellite/pull/95#discussion_r770633327
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File path: docs/en/setup/plugins/forwarder_nativemeter-grpc-forwarder.md
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@@ -6,4 +6,6 @@ This is a synchronization meter grpc forwarder with the
SkyWalking meter protoco
## Configuration
|Name|Type|Description|
|----|----|-----------|
+| upstream_cache_size | int | The upstream cache max size |
+| upstream_cache_second | int | The upstream cache time(second) on each
service instance |
Review comment:
> What is cache time? I think you mean upstream_cache_ttl_last_used?
Yes, this means the maximum survival time of data when the instance is no
longer sending upstream.
> And what happens if upstream_cache_size is reached, but no data could be
removed by upstream_cache_ttl_last_used policy?
It's a kind of LRU Map, if the cache size is reached, it will remove the
longest unused data.
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