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https://issues.apache.org/jira/browse/IGNITE-1943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15604952#comment-15604952
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Andrey Novikov commented on IGNITE-1943:
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Saikat, I reviewed your pull request and I think this changes lead to
inconsistent behavior for different type of shortcut. Maybe it will be better
to remove «mclear» command and introduce «mcompact» command, that will compact
gaps in shortcuts?
> ignitevisorcmd: wrong behavior for "mclear" command
> ---------------------------------------------------
>
> Key: IGNITE-1943
> URL: https://issues.apache.org/jira/browse/IGNITE-1943
> Project: Ignite
> Issue Type: Bug
> Components: general
> Affects Versions: 1.5.0.final
> Reporter: Vasilisa Sidorova
> Assignee: Saikat Maitra
> Fix For: 1.8
>
>
> ---------------------------------------------
> DESCRIPTION
> ---------------------------------------------
> "mclear" should clears all Visor console variables before they will be
> updated during next run of the corresponding command. It OK for all type of
> shortcut (@cX, @tX, @aX, @eX) exept shortcut for node-id variables. After
> "mclear" @nX are disappear from any statistics
> ---------------------------------------------
> STEPS FOR REPRODUCE
> ---------------------------------------------
> # Start cluster
> # Start visorcmd ([IGNITE_HOME]/bin/ignitevisorcmd.sh)
> # Connect to the started cluster (visor> open)
> # Execute any tasks in it (for example, run any example from EventsExample,
> DeploymentExample, ComputeContinuousMapperExample, ComputeTaskMapExample,
> ComputeTaskSplitExample)
> # Create several alerts (visor> alert)
> # Run visor "mclear" command
> # Run visor "node" command
> ---------------------------------------------
> ACTUAL RESULT
> ---------------------------------------------
> There isn't @nX values in the first table's column:
> {noformat}
> visor> node
> Select node from:
> +==================================================================+
> | # | Node ID8(@), IP | Up Time | CPUs | CPU Load | Free Heap |
> +==================================================================+
> | 0 | 6B3E4033, 127.0.0.1 | 00:38:41 | 8 | 0.20 % | 97.00 % |
> | 1 | 0A0D6989, 127.0.0.1 | 00:38:22 | 8 | 0.17 % | 97.00 % |
> | 2 | 0941E33F, 127.0.0.1 | 00:35:46 | 8 | 0.23 % | 97.00 % |
> +------------------------------------------------------------------+
> {noformat}
> ---------------------------------------------
> EXPECTED RESULT
> ---------------------------------------------
> There is @nX values in the first table's column:
> {noformat}
> visor> node
> Select node from:
> +=======================================================================+
> | # | Node ID8(@), IP | Up Time | CPUs | CPU Load | Free Heap |
> +=======================================================================+
> | 0 | 6B3E4033(@n0), 127.0.0.1 | 00:38:13 | 8 | 0.23 % | 97.00 % |
> | 1 | 0A0D6989(@n1), 127.0.0.1 | 00:37:54 | 8 | 0.27 % | 97.00 % |
> | 2 | 0941E33F(@n2), 127.0.0.1 | 00:35:18 | 8 | 0.20 % | 97.00 % |
> +-----------------------------------------------------------------------+
> {noformat}
> "mclear" should get effect only for "mget @nX" command (with result "Missing
> variable with name: '@nX'") and @nX variables should get new values after
> "node" (or "tasks") command execution. Like in case for all others @
> variables (@cX, @tX, @aX, @eX)
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