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Posted to common-issues@hadoop.apache.org by "Luke Lu (Created) (JIRA)" <ji...@apache.org> on 2011/10/13 20:21:11 UTC
[jira] [Created] (HADOOP-7742) Evolve metrics2 in 0.23 and trunk to
allow coexistence with 0.20-security releases
Evolve metrics2 in 0.23 and trunk to allow coexistence with 0.20-security releases
----------------------------------------------------------------------------------
Key: HADOOP-7742
URL: https://issues.apache.org/jira/browse/HADOOP-7742
Project: Hadoop Common
Issue Type: Improvement
Components: metrics
Affects Versions: 0.23.0
Reporter: Luke Lu
Fix For: 0.23.0
HADOOP-7734 expressed the desire to support downstream projects that depends on both 0.23+ and 0.20-security releases.
In order to achieve that we need to evolve the 0.23/trunk API a little to avoid name conflicts:
# Rename AbstractMetric to ImmutableMetric, which also address a common question sink implementer ask about thread safety.
# Rename MetricsRecord to ImmutableMetrics, ditto.
# Rename MetricsVisitor to MetricVisitor.
We better do it before 0.23 is released or, it will be an "incompatible" change.
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[jira] [Updated] (HADOOP-7742) Evolve metrics2 in 0.23 and trunk to
allow coexistence with 0.20-security releases
Posted by "Harsh J (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-7742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J updated HADOOP-7742:
----------------------------
Fix Version/s: (was: 0.24.0)
> Evolve metrics2 in 0.23 and trunk to allow coexistence with 0.20-security releases
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-7742
> URL: https://issues.apache.org/jira/browse/HADOOP-7742
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 0.23.0
> Reporter: Luke Lu
> Labels: metrics
>
> HADOOP-7734 expressed the desire to support downstream projects that depends on both 0.23+ and 0.20-security releases.
> In order to achieve that we need to evolve the 0.23/trunk API a little to avoid name conflicts:
> # Rename AbstractMetric to ImmutableMetric, which also address a common question sink implementer ask about thread safety.
> # Rename MetricsRecord to ImmutableMetrics, ditto.
> # Rename MetricsVisitor to MetricVisitor.
> We better do it before 0.23 is released or, it will be an "incompatible" change.
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[jira] [Commented] (HADOOP-7742) Evolve metrics2 in 0.23 and trunk
to allow coexistence with 0.20-security releases
Posted by "Harsh J (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-7742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13461073#comment-13461073 ]
Harsh J commented on HADOOP-7742:
---------------------------------
Hi Luke,
So this is an "incompatible change" now? What would we need to do to help projects such as HBase at this time?
> Evolve metrics2 in 0.23 and trunk to allow coexistence with 0.20-security releases
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-7742
> URL: https://issues.apache.org/jira/browse/HADOOP-7742
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 0.23.0
> Reporter: Luke Lu
> Labels: metrics
>
> HADOOP-7734 expressed the desire to support downstream projects that depends on both 0.23+ and 0.20-security releases.
> In order to achieve that we need to evolve the 0.23/trunk API a little to avoid name conflicts:
> # Rename AbstractMetric to ImmutableMetric, which also address a common question sink implementer ask about thread safety.
> # Rename MetricsRecord to ImmutableMetrics, ditto.
> # Rename MetricsVisitor to MetricVisitor.
> We better do it before 0.23 is released or, it will be an "incompatible" change.
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If you think it was sent incorrectly, please contact your JIRA administrators
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[jira] [Updated] (HADOOP-7742) Evolve metrics2 in 0.23 and trunk to
allow coexistence with 0.20-security releases
Posted by "Harsh J (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HADOOP-7742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Harsh J updated HADOOP-7742:
----------------------------
Target Version/s: 3.0.0 (was: 0.23.0)
> Evolve metrics2 in 0.23 and trunk to allow coexistence with 0.20-security releases
> ----------------------------------------------------------------------------------
>
> Key: HADOOP-7742
> URL: https://issues.apache.org/jira/browse/HADOOP-7742
> Project: Hadoop Common
> Issue Type: Improvement
> Components: metrics
> Affects Versions: 0.23.0
> Reporter: Luke Lu
> Labels: metrics
>
> HADOOP-7734 expressed the desire to support downstream projects that depends on both 0.23+ and 0.20-security releases.
> In order to achieve that we need to evolve the 0.23/trunk API a little to avoid name conflicts:
> # Rename AbstractMetric to ImmutableMetric, which also address a common question sink implementer ask about thread safety.
> # Rename MetricsRecord to ImmutableMetrics, ditto.
> # Rename MetricsVisitor to MetricVisitor.
> We better do it before 0.23 is released or, it will be an "incompatible" change.
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