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https://issues.apache.org/jira/browse/AVRO-4042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17876945#comment-17876945
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Andrew Craig commented on AVRO-4042:
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Submitted PR [https://github.com/apache/avro/pull/3123] to cover this.
> Reuse ObjectMapper in SchemaBuilder & JacksonUtils
> --------------------------------------------------
>
> Key: AVRO-4042
> URL: https://issues.apache.org/jira/browse/AVRO-4042
> Project: Apache Avro
> Issue Type: Improvement
> Components: java
> Affects Versions: 1.11.3
> Reporter: Andrew Craig
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently, calling `JacksonUtils.toJsonNode(obj)`,
> `JacksonUtils.objectToMap(obj)` or `SchemaBuilder.toJsonNode(obj)` recreate
> at least one new instance of Jackson ObjectMapper each time.
> ObjectMapper is an expensive object to create, but is immutable and
> thread-safe. We can see in various other locations within Avro that we reuse
> the same object, and avoid recreation.
> We can perform the same reuse here - and only create the ObjectMapper once.
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