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https://issues.apache.org/jira/browse/KYLIN-4923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17318967#comment-17318967
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ASF GitHub Bot commented on KYLIN-4923:
---------------------------------------
zhangayqian commented on a change in pull request #1611:
URL: https://github.com/apache/kylin/pull/1611#discussion_r611283652
##########
File path: tool/src/main/java/org/apache/kylin/tool/CubeMigrationCLI.java
##########
@@ -86,82 +98,113 @@
protected String dstProject;
protected String srcHdfsWorkDir;
protected String dstHdfsWorkDir;
+ private boolean migrateSegment;
+ private boolean realExecute;
+ private boolean purgeAndDisable;
+ private OptionsHelper optHelper;
private static final String ACL_PREFIX = "/acl/";
private static final String GLOBAL_DICT_PREFIX = "/dict/global_dict/";
- public static void main(String[] args) throws IOException,
InterruptedException {
+ private static final Option OPTION_SRC_CONFIG =
OptionBuilder.isRequired(true).hasArg().withDescription("The KylinConfig of the
cube’s source").create("srcConfig");
+ private static final Option OPTION_DST_CONFIG =
OptionBuilder.isRequired(true).hasArg().withDescription("The KylinConfig of the
cube’s new home").create("dstConfig");
+ private static final Option OPTION_ALL_CUBES =
OptionBuilder.isRequired(false).withDescription("migrate all cubes meta from
source cluster").create("allCubes");
+ private static final Option OPTION_CUBE =
OptionBuilder.isRequired(false).hasArg().withDescription("Cube name to
migrate").create("cube");
+ private static final Option OPTION_DST_PROJECT =
OptionBuilder.isRequired(false).hasArg().withDescription("cube's new project
home, if not set, keep the same as source cluster").create("dstProject");
+ private static final Option OPTION_SRC_PROJECT =
OptionBuilder.isRequired(false).hasArg().withDescription("source project to
migrate").create("srcProject");
+ private static final Option OPTION_COPY_ACL =
OptionBuilder.isRequired(false).hasArg().withDescription("copy
ACL").create("copyAcl");
+ private static final Option OPTION_PURGE_AND_DISABLE =
OptionBuilder.isRequired(false).withDescription("purge source cluster
data").create("purgeAndDisable");
+ private static final Option OPTION_OVERWRITE =
OptionBuilder.isRequired(false).withDescription("overwrite target cluster's
meta if exists").create("overwriteIfExists");
+ private static final Option OPTION_EXECUTE =
OptionBuilder.isRequired(false).withDescription("execute
migration").create("execute");
+ private static final Option OPTION_MIGRATE_SEGMENTS =
OptionBuilder.isRequired(false).withDescription("migrate segment
data").create("migrateSegment");
Review comment:
> It would be nice if we add this validation for users. By the way, what
about deciding automatically by comparing cube's major version and system's
major version before "doMigrateSegment"?
Good idea!
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> CubeMigration Tools support migrate meta from 2.x/3.x cluster to 4.0 cluster
> ----------------------------------------------------------------------------
>
> Key: KYLIN-4923
> URL: https://issues.apache.org/jira/browse/KYLIN-4923
> Project: Kylin
> Issue Type: Improvement
> Components: Tools, Build and Test
> Reporter: ShengJun Zheng
> Priority: Major
> Fix For: v4.0.0-GA
>
>
> Hi, currently we are migrating metadata of 2.x(KYLIN on HBASE) to KYLIN 4.0,
> the existing migration tool doesn't support migrate meta from 2.x/3.x cluster
> to 4.0. We'll add this ability to make _upgrading from old version to 4.0_
> more conveniently.
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