Thank you. You have been very helpful.
We stored only one day worth of data for now. However, we want to store 5 days
worth of data eventually.
That is 5 times more disk space.
That is our main reason for us to look at older SSTables that appears to be
holding only tombstones.
- yuki
___
Now, we use TTL of 12 hours and GC grace period of 8 hours for encouraging
Cassandra to remove old data/files more aggressively.
Cassandra do remove fair amount of old data files.
Cassandra tends to removed 4 out of every 5 files.
I notice it because data file has a sequence number as a part
I see. Thank you for helpful information
Yuki
-Original Message-
From: Sylvain Lebresne [mailto:sylv...@datastax.com]
Sent: Friday, September 02, 2011 3:40 AM
To: user@cassandra.apache.org
Subject: Re: Removal of old data files
On Fri, Sep 2, 2011 at 12:11 AM, wrote:
> Yes, I see
Yes, I see files with name like
Orders-g-6517-Compacted
However, all of those file have a size of 0.
Starting from Monday to Thurseday we have 5642 files for -Data.db, -Filter.db
and Statistics.db and only 128 -Compacted files.
and all of -Compacted file has size of 0.
Is this normal, or we
