rpc: fix subscription buffer documentation and test (#19747)

This PR updates a comment about the maximum client subscription buffer
to reflect changes made previously, and fixes a test that wouldn't fail
when wantError == true but execution did not return an error.
This commit is contained in:
Rob Mulholand
2019-06-24 05:43:18 -05:00
committed by Felix Lange
parent 92a90d7578
commit 98099d6fa7
2 changed files with 5 additions and 2 deletions

View File

@ -412,7 +412,7 @@ func (c *Client) ShhSubscribe(ctx context.Context, channel interface{}, args ...
// The context argument cancels the RPC request that sets up the subscription but has no
// effect on the subscription after Subscribe has returned.
//
// Slow subscribers will be dropped eventually. Client buffers up to 8000 notifications
// Slow subscribers will be dropped eventually. Client buffers up to 20000 notifications
// before considering the subscriber dead. The subscription Err channel will receive
// ErrSubscriptionQueueOverflow. Use a sufficiently large buffer on the channel or ensure
// that the channel usually has at least one reader to prevent this issue.