Add microbenchmarks for Querier (proxy.go) .Series endpoint.

[bwplotka]

Similar to what we have on Store:

thanos/pkg/store/bucket_test.go

Line 1071 in 88f6be8

func BenchmarkSeries(b *testing.B) {

It is giving massive feedback if the PR makes sense or not, performance wise!

[stale]

This issue/PR has been automatically marked as stale because it has not had recent activity. Please comment on status otherwise the issue will be closed in a week. Thank you for your contributions.

[bwplotka]

We need that and we are quite close (:

…

On Sat, 7 Mar 2020, 15:50 stale[bot], ***@***.***> wrote: This issue/PR has been automatically marked as stale because it has not had recent activity. Please comment on status otherwise the issue will be closed in a week. Thank you for your contributions. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#2105?email_source=notifications&email_token=ABVA3O3OZOZZF4VVQIQD4MDRGJUNJA5CNFSM4KQ7AJ72YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEOD4VNY#issuecomment-596101815>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ABVA3O4IPPVTVOMDWO2U3J3RGJUNJANCNFSM4KQ7AJ7Q> .

[stale]

This issue/PR has been automatically marked as stale because it has not had recent activity. Please comment on status otherwise the issue will be closed in a week. Thank you for your contributions.

[stale]

Hello 👋 Looks like there was no activity on this issue for last 30 days.
Do you mind updating us on the status? Is this still reproducible or needed? If yes, just comment on this PR or push a commit. Thanks! 🤗
If there will be no activity for next week, this issue will be closed (we can always reopen an issue if we need!). Alternatively, use remind command if you wish to be reminded at some point in future.

[stale]

Closing for now as promised, let us know if you need this to be reopened! 🤗