This is kind of a follow up to #32677 and the PR #34762.

In #34762 we improved the test data source implementation by checking the body of the response from Tempo. The Tempo team is not comfortable making the body of a 404 response part of our stable API, so instead we are currently adding a separate endpoint specifically for testing: /api/echo (grafana/tempo#714).

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Question

I'm able to send traces via TLS but when I try to send logs, I get the following exception:

ERROR 2021-05-30 22:21:59:387 grpc-default-executor-1 GRPCLogReportServiceClient : Try to send 1 log data to collector, with unexpected exception.
org.a

When user choose date histogram function for x-xis column, we should auto populate the field with index pattern default time field.

it will save user lots of clicks

Lens already does it when we drag field into main view, it also doesn't do it if we drag field into column in layer view

![image](https://user-images.githubusercontent.com/3505601/123105411-1590cb80-d438-11eb-873b-d49259e66d

If I set all the prefixes (globalPrefix, prfixTimer, etc.) to "", what kind of ramifications will that have on the server side if any? Will all the timers, gauges, counters be calculated as normal or will see if any side effects?

Hi
Wikiann dataset needs to have "spans" columns, which is necessary to be able to use this dataset, but this column is missing from huggingface datasets, could you please have a look? thank you @lhoestq

Before opening, please confirm:

• I have installed the latest version of the Amplify CLI (see above), and confirmed that the issue still persists.
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It will be very useful to have timezone info exposed in node exporter.
For example this info "Time zone: Asia/Jerusalem (IDT, +0300)"

For the moment there is no ability to use IAM instance profile for access to s3 bucket as it is not described in documentation
Could yo

Describe the bug
Sometimes alias time does not work

To Reproduce

create table tst (
timestamp timestamp
)

select timestamp time from tst

Expected behavior
Result column name is timestamp but should be time

Screenshots

Environment (please complete the following information):

• Version: 6.0.2

Additional context
This is the workaround sy

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As we all know golang has give us the feature that convert proto to json with https://github.com/golang/protobuf/blob/master/jsonpb/encode.go ,and with encode.go ,we can define diffrent style like casesensitive , emit empty , json indent and so on , we can see [Customizing Protobuf JSON Serialization in Go](https://seb-nyberg.medi