[jira] [Commented] (CASSANDRA-7789) cqlsh COPY Command should display progress

["Mikhail Stepura (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-7789?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102836#comment-14102836 ] 

Mikhail Stepura commented on CASSANDRA-7789:
--------------------------------------------

At the moment (with CASSANDRA-7405 integrated) clqsh shows in place "Rows imported" counter (which is updated every 1000 rows) for COPY FROM. 

> cqlsh COPY Command should display progress
> ------------------------------------------
>
>                 Key: CASSANDRA-7789
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7789
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Michaël Figuière
>            Priority: Minor
>
> While CASSANDRA-7405 is on its way to make the {{COPY}} command much faster, it's still likely to hang for many minutes when transferring a large amount of data. 
> This gives the feeling to the newcomers that something went wrong. Even if the user expect cqlsh to hang for a long moment, it's not very convenient as you have no idea of when the copy will be complete.
> I believe it would be very pleasant if the {{COPY}} command could display an in-place progress output while it's executed with probably:
> * Rows copied
> * avg Rows/s
> * CSV File R/W MB
> * avg CSV File R/W MB/s



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