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https://issues.apache.org/jira/browse/HAWQ-1582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16344402#comment-16344402
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Yi Jin commented on HAWQ-1582:
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Close this issue as this has been delivered and verified.
> hawq ssh cmd bug when pipe in cmd
> ---------------------------------
>
> Key: HAWQ-1582
> URL: https://issues.apache.org/jira/browse/HAWQ-1582
> Project: Apache HAWQ
> Issue Type: Bug
> Components: Command Line Tools
> Reporter: Yang Sen
> Assignee: Radar Lei
> Priority: Major
> Fix For: 2.3.0.0-incubating
>
>
> h1. bug description
> {code:bash}
> hawq ssh -h sdw2 -h localhost -e 'ls -1 | wc -l'
> {code}
> When running this command, the expected action is that `ls -1 | wc -l` is
> executed in each host. The expected output is (the number may be different):
> {code:bash}
> [sdw2] ls -1 | wc -l
> [sdw2] 23
> [localhost] ls -1 | wc -l
> [localhost] 20
> {code}
> While the output got is:
> {code:bash}
> 45
> {code}
> The result looks like `ls -l` was executed in each host and the output of
> `hawq ssh -h sdw2 -h localhost -e 'ls -1'` was redirect to pipe to `wc -l`.
> h2. Another related issue
> {code:bash}
> hawq ssh -h sdw2 -h localhost -e 'kill -9 $(pgrep lava)'
> {code}
> This command expects to kill process named lava in each host. While `$(pgrep
> lava)` is executed in localhost, and program gets the process id, for example
> 55555. And then `kill -9 55555` is executed in each host, which is definitely
> not match with our expect.
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