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https://issues.apache.org/jira/browse/PHOENIX-2968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15355667#comment-15355667
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Hudson commented on PHOENIX-2968:
---------------------------------
FAILURE: Integrated in Phoenix-master #1301 (See
[https://builds.apache.org/job/Phoenix-master/1301/])
PHOENIX-2968 Minimize RPCs for ALTER statement over APPEND_ONLY_SCHEMA
(tdsilva: rev d1cde87fadf77eb9aa12ed07a53516725f5db307)
* phoenix-core/src/main/java/org/apache/phoenix/schema/MetaDataClient.java
* phoenix-core/src/it/java/org/apache/phoenix/end2end/AppendOnlySchemaIT.java
> Minimize RPCs for ALTER statement over APPEND_ONLY_SCHEMA
> ---------------------------------------------------------
>
> Key: PHOENIX-2968
> URL: https://issues.apache.org/jira/browse/PHOENIX-2968
> Project: Phoenix
> Issue Type: Bug
> Reporter: Mujtaba Chohan
> Assignee: Thomas D'Silva
> Labels: Argus
> Fix For: 4.8.0
>
> Attachments: PHOENIX-2968.patch
>
>
> View is created with {{CREATE VIEW IF NOT EXISTS ... APPEND_ONLY_SCHEMA =
> true, UPDATE_CACHE_FREQUENCY=900000}}
> If {{ALTER VIEW <VIEW_NAME> ADD IF NOT EXISTS MYCOL VARCHAR}} is executed
> before each upsert statement then performance for each 1K batch upsert
> degrades by ~40X (50ms for 1K batch without alter statement vs 2300ms with
> alter statement)
> This is for the case when MYCOL exists.
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