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https://issues.apache.org/jira/browse/AVRO-2090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16195955#comment-16195955
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ASF GitHub Bot commented on AVRO-2090:
--------------------------------------
GitHub user rstata opened a pull request:
https://github.com/apache/avro/pull/256
AVRO-2090: Improve encode/decode time for SpecificRecord using code
generation
Initial patch for AVRO-2090
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rstata-projects/avro AVRO-2090
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/avro/pull/256.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #256
----
commit d2127c7a4051bf7efa56cb0d7e8d9de6ead31c16
Author: rstata <[email protected]>
Date: 2017-07-13T08:36:39Z
Saving initial work, still have more to do.
commit 474cc97315ecfeb5bc79dc366424c342d57d83e2
Author: rstata <[email protected]>
Date: 2017-07-14T04:22:46Z
Finished initial implementation (not tested).
commit 456d667c58df1493190b99bea40b24408e969679
Author: rstata <[email protected]>
Date: 2017-07-14T05:51:24Z
Poorly done feature flag, and formatting improvements (incl proper
indentation).
commit b1caba57a90a7fe9a7779c137137315d1d6a99ec
Author: rstata <[email protected]>
Date: 2017-07-16T08:40:03Z
Added Reader/Decoder code
commit 9f8c853f6f43c9ce07eb9ad10da0d6acf9263c5e
Author: rstata <[email protected]>
Date: 2017-09-16T01:33:16Z
Updated output files to reflect new specific-compiler strategy.
commit 83698d9e3ea04e00cd7da87373409b74f77d708a
Author: rstata <[email protected]>
Date: 2017-10-03T21:44:05Z
Reverting changes to SpecificFixed
commit 84e4cbb1ada1ceb97dcec0364a231055cd25142a
Author: rstata <[email protected]>
Date: 2017-10-04T01:54:24Z
Change name of feature from Encodable to CustomCoders
commit e57289bae26683ba4ea3ed30f863be5a79983bc0
Author: rstata <[email protected]>
Date: 2017-10-04T04:49:15Z
Fixed bugs in codegen template
commit f8fae7bc307fae7d51afab7a99025b4213937d40
Author: rstata <[email protected]>
Date: 2017-10-04T05:32:20Z
Added feature flag for custom coders
commit d5b45607ace5fbaf9ee526df2fa285a047365548
Author: rstata <[email protected]>
Date: 2017-10-08T00:18:34Z
Remove stale TODO comment
----
> Improve encode/decode time for SpecificRecord using code generation
> -------------------------------------------------------------------
>
> Key: AVRO-2090
> URL: https://issues.apache.org/jira/browse/AVRO-2090
> Project: Avro
> Issue Type: Improvement
> Components: java
> Reporter: Raymie Stata
> Attachments: customcoders.md
>
>
> Compared to GenericRecords, SpecificRecords offer type-safety plus the
> performance of traditional getters/setters/instance variables. But these are
> only beneficial to Java code accessing those records. SpecificRecords
> inherit serialization and deserialization code from GenericRecords, which is
> dynamic and thus slow (in fact, benchmarks show that serialization and
> deserialization is _slower_ for SpecificRecord than for GenericRecord).
> This patch extends record.vm to generate custom, higher-performance encoder
> and decoder functions for SpecificRecords. We've run a public benchmark
> showing that the new code reduces serialization time by 2/3 and
> deserialization time by close to 50%.
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