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https://issues.apache.org/jira/browse/LUCY-81?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marvin Humphrey updated LUCY-81:
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Attachment: hash_serialization.diff
Most Hash objects have string keys, so the serialization routines in
hash_serialization.diff special-case CharBuf keys as an optimization. FREEZE
is used for all values and all non-CharBuf keys, which is more costly because
of the need to encode the class name.
> Object serialization
> --------------------
>
> Key: LUCY-81
> URL: https://issues.apache.org/jira/browse/LUCY-81
> Project: Lucy
> Issue Type: New Feature
> Components: Core
> Reporter: Marvin Humphrey
> Assignee: Marvin Humphrey
> Attachments: bytebuf_serialization.diff, charbuf_serialization.diff,
> freezer.diff, hash_serialization.diff, num_serialization.diff,
> obj_serialize.diff
>
>
> Objects are serialized to OutStreams and deserialized from InStreams. Hooks
> are provided for the Perl core serialization module Storable, so that e.g.
> Storable::freeze($query) works as expected; hopefully it will prove practical
> to hook into canonical serialization routines for other hosts as well.
> The primary utility for serialization is communication between machines within
> search clusters, so all classes that may need to be sent across the network
> will eventually get serialization routines. However, only Lucy installations
> with exactly the same version can be guaranteed to serialize and deserialize
> each others data; rolling updates are not supported.
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