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https://issues.apache.org/jira/browse/PHOENIX-5789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17084533#comment-17084533
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Mingliang Liu commented on PHOENIX-5789:
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{{ObjectMapper}} is considered expensive. I guess we should try to re-use it as
much as possible. Meanwhile, I see some places where we may also want to use
{{ObjectReader}}} and {{ObjectWriter}} instances and re-use them as well. They
are fully thread-safe and reusable.
More guidelines can be seen at
https://github.com/FasterXML/jackson-docs/wiki/Presentation:-Jackson-Performance
> try to standardize on a JSON library
> ------------------------------------
>
> Key: PHOENIX-5789
> URL: https://issues.apache.org/jira/browse/PHOENIX-5789
> Project: Phoenix
> Issue Type: Improvement
> Components: core
> Reporter: Istvan Toth
> Assignee: Richard Antal
> Priority: Minor
> Attachments: PHOENIX-5789.4.x.v1.patch, PHOENIX-5789.4.x.v3.patch,
> PHOENIX-5789.master.v1.patch, PHOENIX-5789.master.v2.patch,
> PHOENIX-5789.master.v3.patch, PHOENIX-5789.master.v4.patch
>
>
> Phoenix uses at least the following JSON libraries:
> * gson
> * jackson
> * jettison
> Of these, only the jackson usage is performance critical, as it is used
> during bulk loading.
> Try to standardize on a single one to reduce dependency hell.
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