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https://issues.apache.org/jira/browse/THRIFT-110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Duxbury updated THRIFT-110:
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Attachment: compact_proto_spec.txt
Here's another version. I think it makes better use of available bits in the
modifier space and as such will improve density for certain values.
I've also removed the string table stuff, as per Noble's suggestion we don't
need to have a separate string table. This model still doesn't account for
user-specified extern strings, rather just automatically detected extern
strings.
> A more compact format
> ----------------------
>
> Key: THRIFT-110
> URL: https://issues.apache.org/jira/browse/THRIFT-110
> Project: Thrift
> Issue Type: Improvement
> Reporter: Noble Paul
> Attachments: compact_proto_spec.txt, compact_proto_spec.txt
>
>
> Thrift is not very compact in writing out data as (say protobuf) . It does
> not have the concept of variable length integers and various other
> optimizations possible . In Solr we use a lot of such optimizations to make a
> very compact payload. Thrift has a lot common with that format.
> It is all done in a single class
> http://svn.apache.org/viewvc/lucene/solr/trunk/src/java/org/apache/solr/common/util/NamedListCodec.java?revision=685640&view=markup
> The other optimizations include writing type/value in same byte, very fast
> writes of Strings, externalizable strings etc
> We could use a thrift format for non-java clients and I would like to see it
> as compact as the current java version
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