Richard Calaba created KYLIN-1829:
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Summary: Add execution of "utility" classes to the System tab of
Kylin UI
Key: KYLIN-1829
URL: https://issues.apache.org/jira/browse/KYLIN-1829
Project: Kylin
Issue Type: Improvement
Reporter: Richard Calaba
There is a bunch of "hidden" and/or semi-documented classes in Kylin engine
which can be very useful for standard maintenance of healthy Kylin instance -
it would be very good if those are connected to the System tab of the Kylin UI
so administrators can run them directly from Kylin UI and collect their
execution log also there, few candidates:
1) ./bin/kylin.sh org.apache.kylin.storage.hbase.util.StorageCleanupJob
2) ./bin/kylin.sh org.apache.kylin.cube.cli.CubeSignatureRefresher
3) ./bin/metastore.sh for backup/restore actions with support to list the
content of ./meta_backups directory
In addition I found many Kylin engine classes with main method (thus executable
tools for Kylin) which might be also good candidates to be integrated here -
just do not know their functions/parameters. To know I would have to read the
code of all of them. Maybe the authors of the tools can create official list
with documentation of supported parameters - and this list/docu can be also
part of the System tab on UI.
Few other classes I found - executable through kylin.sh - some of those
probably already connected to UI in 1.5.2.1 (like the diagnostics CLI ..)
But some of those I still do not know what they are for .. though the classes
having CLI in the name give impression that those should be "stable" internal
interfaces for Kylin engine.
./bin/kylin.sh org.apache.kylin.tool.CubeMetaExtractor
./bin/kylin.sh org.apache.kylin.tool.DiagnosisInfoCLI
./bin/kylin.sh org.apache.kylin.tool.HBaseUsageExtractor
./bin/kylin.sh org.apache.kylin.tool.JobDiagnosisInfoCLI
./bin/kylin.sh org.apache.kylin.job.hadoop.invertedindex.IICLI - error
./bin/kylin.sh org.apache.kylin.common.KylinVersion - this would be good to
have on UI for sure -> sometimes I do need to know exact Kylin version
./bin/kylin.sh org.apache.kylin.common.persistence.ResourceTool - this is
basically metastore.sh
./bin/kylin.sh org.apache.kylin.cube.cli.DumpDictionaryCLI
./kylin.sh org.apache.kylin.cube.cuboid.CuboidCLI
./kylin.sh org.apache.kylin.query.QueryCli
... and some others ....
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