Dear Solr People

On our system we have an indexer-service that indexes documents based on 
incoming events. Sometimes a lot of these events happen at the same time (or at 
least very close in time to each other). If that happens our indexer receives 
GOAWAY signals from solr.
We're using the HttpJdkSolrClient with HTTP/2. Solr Version is 9.5.0

When exactly do these GOAWAY signals show up. In other words, how many requests 
need to be made to solr in a certain amount of timespan that solr starts 
emitting this signal. And how exactly should it be handled or fixed.

Should we switch to HTTP/1.1? This version of HTTP does not specify this 
signal, but this is probably not a solution?
Using another client?

Can there be done anything else about it? Will the documents that were in the 
request that caused the GOAWAY signal still get added to the index or do we 
need to resend this request? And If yes, how long should we wait to resend it?

With kind regards,

Dario

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