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https://issues.apache.org/jira/browse/IGNITE-5097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16120271#comment-16120271
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ASF GitHub Bot commented on IGNITE-5097:
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GitHub user daradurvs opened a pull request:
https://github.com/apache/ignite/pull/2425
IGNITE-5097 BinaryMarshaller should write ints in "varint" encoding where
it makes sense
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/daradurvs/ignite ignite-5736-module
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/ignite/pull/2425.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 #2425
----
commit efbac32e650d603e18ea405bee626589ac237f61
Author: Vyacheslav Daradur <[email protected]>
Date: 2017-08-09T14:05:29Z
IGNITE-5732 Provide API to test compatibility with old releases (#20)
commit 0a7ffcce6527111a68568da0a6d22d4a1eb306a4
Author: Vyacheslav Daradur <[email protected]>
Date: 2017-08-09T14:09:08Z
IGNITE-5097 BinaryMarshaller should write ints in "varint" encoding where
it makes sense (#21)
commit 6b34d93609bc2087b77d7b44a0665ea160965e4e
Author: Vyacheslav Daradur <[email protected]>
Date: 2017-08-09T17:08:50Z
ignite-5736: added VarintArraysSizeCompatibilityTest
----
> BinaryMarshaller should write ints in "varint" encoding where it makes sense
> ----------------------------------------------------------------------------
>
> Key: IGNITE-5097
> URL: https://issues.apache.org/jira/browse/IGNITE-5097
> Project: Ignite
> Issue Type: Task
> Components: general
> Affects Versions: 2.0
> Reporter: Vladimir Ozerov
> Assignee: Vyacheslav Daradur
> Labels: important, performance
> Fix For: 2.2
>
>
> There are a lot of places in the code where we write integers for some
> special purposes. Quite often their value will be vary small, so that
> applying "varint" format could save a lot of space at the cost of very low
> additional CPU overhead.
> Specifically:
> 1) Array/collection/map lengths
> 2) BigDecimal's (usually will save ~6 bytes)
> 3) Strings
> 4) Enum ordinals
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