etcdserver: improve request took too long warning #9288
Merged
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fix #9111
range and txn readonly range need special care in its own funcs since these two kinds of request wont go through raft to be applied.
example output
to trigger the warning, try to put 1M keys into etcd and do a large range over the entire 1M keys.
/cc @hexfusion please take a look. thanks!