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https://issues.apache.org/jira/browse/TINKERPOP-2033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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stephen mallette updated TINKERPOP-2033:
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Labels: (was: breaking)
Description: The {{annotations}} of {{ImmutableMetrics}} uses a
{{ConcurrentHashMap}} but that of course loses the insertion order. Convert to
a {{synchronizedMap}} that takes a {{LinkedHashMap}} to maintain that order as
well as the ability to support concurrent access which is an issue for some
graphs. (was: The {{annotations}} of {{ImmutableMetrics}} uses a
{{ConcurrentHashMap}} but that of course loses the insertion order. Convert to
a {{synchronizedMap}} that takes a {{LinkedHashMap}} to maintain that order as
well as the ability to support concurrent access which is an issue for some
graphs.
This is a breaking change on Gryo 1.0 because {{synchronizedMap}} has to be
added as a type to Gryo and older versions of the driver will not support that
- therefore a user utilizing a driver prior to 3.4.0 won't be able to return
the result of {{profile()}} from a server running 3.4.0. The user would have
to use 3.4.0 for the driver OR upgrade to Gryo 3.0 - as Gryo 3.0 is the default
for 3.4.0, this problem seems somewhat mitigated.)
> Maintain order of profile() annotations
> ---------------------------------------
>
> Key: TINKERPOP-2033
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2033
> Project: TinkerPop
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.4.0
> Reporter: stephen mallette
> Assignee: stephen mallette
> Priority: Minor
> Fix For: 3.4.0
>
>
> The {{annotations}} of {{ImmutableMetrics}} uses a {{ConcurrentHashMap}} but
> that of course loses the insertion order. Convert to a {{synchronizedMap}}
> that takes a {{LinkedHashMap}} to maintain that order as well as the ability
> to support concurrent access which is an issue for some graphs.
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