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Posted to commits@cassandra.apache.org by "Stefan Miklosovic (Jira)" <ji...@apache.org> on 2020/04/25 19:08:00 UTC
[jira] [Commented] (CASSANDRA-15759) Add progress column in
percents for system_views.sstable_tasks
[ https://issues.apache.org/jira/browse/CASSANDRA-15759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17092322#comment-17092322 ]
Stefan Miklosovic commented on CASSANDRA-15759:
-----------------------------------------------
Hi [~cnlwsu], [~aleksey], I am tagging you Chris as you have implemented SSTableTasksTable in CASSANDRA-14457 and Aleksey has reviewed that. This one would be very handy to have in 4.0 indeed! Is there any chance this would go in?
> Add progress column in percents for system_views.sstable_tasks
> --------------------------------------------------------------
>
> Key: CASSANDRA-15759
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15759
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Virtual Tables
> Reporter: Stefan Miklosovic
> Priority: Normal
> Time Spent: 10m
> Remaining Estimate: 0h
>
> It would be very handy to have a percentage column in system_views.sstable_tasks which would say how far a respective task is.
> Indeed, there are currently "progress" and "total" columns but honestly, for every day usage, it is rather strange to expect that humans will divide these numbers in head if they want to roughly know what the overall progress is. One just does not have a rough estimation of the task progress when he is presented with two quite big numbers and to estimate the progress from the.
> In the following output, the field "progress_in_percents" is introduced.
> {code:java}
> admin@cqlsh> select * from system_views.sstable_tasks ;
> @ Row 1
> -----------------------+--------------------------------------
> keyspace_name | mykeyspace
> table_name | mytable
> task_id | 0db5d9b1-8726-11ea-8a6c-b92f3be367bb
> kind | secondary index build
> progress | 19456965
> progress_in_percents | 8.17
> total | 238208674
> unit | bytes
> @ Row 2
> ----------------------+--------------------------------------
> keyspace_name | mykeyspace
> table_name | mytable.mytable_surname_idx
> task_id | 1817ee71-8726-11ea-8a6c-b92f3be367bb
> kind | compaction
> progress | 284396233
> progress_in_percents | 75.92
> total | 374598446
> unit | bytes
> {code}
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