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From Gábor Auth <>
Subject Re: Alter table gc_grace_seconds
Date Sun, 01 Oct 2017 19:42:54 GMT

On Sun, Oct 1, 2017 at 9:36 PM Varun Barala <> wrote:

> * You should not try on real clusters directly.

Why not? :)

Did you change gc_grace for all column families?

Not, only on the `number_item` CF.

> But not in the `number_item` CF... :(
> Could you please explain?

I've tried the test case that you described and it is works (the compact
removed the marked_deleted rows) on a newly created CF. But the same
gc_grace_seconds settings has no effect in the `number_item` CF (millions
of rows has been deleted during a last week migration).

Gábor Auth

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