momo0313 commented on issue #4893:
URL: https://github.com/apache/skywalking/issues/4893#issuecomment-642448872
> I think this is the rule we are using
`setting.put("analysis.analyzer.oap_analyzer.type", "stop")` in
`StorageEsInstaller#createSetting`. I didn't write these codes, could you do a
little more research about the difference? Then we could have a more reasonable
choice.
We can refer to
[analysis-stop-analyzer](https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-stop-analyzer.html)
and
[analysis-standard-analyzer](https://www.elastic.co/guide/en/elasticsearch/reference/current/analysis-standard-analyzer.html)
to get the difference of the "stop" and the "standard" type analyzer.
In short the "standard" type analyzer will not ignore the numbers, and in
this case we can query by numbers in the endpoint name.
It's indeed a matter of choice, but I tend to choose the "standard"
analyzer. We usually query with a complete endpoint name, it is confused that
the results are not matching the numbers in the querying string.
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