doc: Add release notes for #18335 (rpc work queue exceeded error)

This commit is contained in:
Larry Ruane 2021-03-23 10:14:13 -06:00
parent 3530d5d2d8
commit 51eef4a03e

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@ -105,6 +105,10 @@ Low-level changes
RPC
---
- The RPC server can process a limited number of simultaneous RPC requests.
Previously, if this limit was exceeded, `bitcoind` would respond with
[status code 500 (`HTTP_INTERNAL_SERVER_ERROR`)](https://en.wikipedia.org/wiki/List_of_HTTP_status_codes#5xx_server_errors).
Now it returns status code 503 (`HTTP_SERVICE_UNAVAILABLE`). (#18335)
Tests
-----