Zhu
wz1...@yahoo.commailto:wz1...@yahoo.com
Date: Friday, March 8, 2013 11:11 AM
To: user@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Subject: Re: Size Tiered - Leveled Compaction
I have the same wonder.
We started
: Size Tiered - Leveled Compaction
I second these questions: we've been looking into changing some of our
CFs to use leveled compaction as well. If anybody here has the wisdom to
answer them it would be of wonderful help.
Thanks
Charles
On Wed, Feb 13, 2013 at 7:50 AM, Mike mthero
From: Alain RODRIGUEZ arodr...@gmail.com
To: user@cassandra.apache.org
Cc: Wei Zhu wz1...@yahoo.com
Sent: Friday, March 8, 2013 1:25 AM
Subject: Re: Size Tiered - Leveled Compaction
I'm still wondering about how to chose the size of the sstable under LCS.
Defaul is 5MB
, 2013 11:11 AM
To: user@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Subject: Re: Size Tiered - Leveled Compaction
I have the same wonder.
We started with the default 5M and the compaction after repair takes too long
on 200G node
Subject: Re: Size Tiered - Leveled Compaction
I have the same wonder.
We started with the default 5M and the compaction after repair takes too long
on 200G node, so we increase the size to 10M sort of arbitrarily since there
is not much documentation around it. Our tech op team still thinks
,
I'm investigating the transition of some of our column families from Size
Tiered - Leveled Compaction. I believe we have some high-read-load column
families that would benefit tremendously.
I've stood up a test DB Node to investigate the transition. I
successfully alter the column family, and I
from Size Tiered-Leveled compaction this weekend. I was doing some
research around some of the bugs that were filed against leveled compaction
in Cassandra and I found this:
https://issues.apache.org/jira/browse/CASSANDRA-4644
The bug mentions:
You need to run the offline scrub (bin
, 2013 7:15 AM
To: user@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Subject: Re: Size Tiered - Leveled Compaction
I am confused. I thought running compact turns off the minor compactions
and users are actually supposed to run
@cassandra.apache.orgmailto:user@cassandra.apache.org
user@cassandra.apache.orgmailto:user@cassandra.apache.org
Subject: Re: Size Tiered - Leveled Compaction
After running a major compaction, automatic minor compactions are no longer
triggered,
... Because of the size difference between the big sstable generated
, February 17, 2013 4:50:40 AM
Subject: Re: Size Tiered - Leveled Compaction
Hello Wei,
First thanks for this response.
Out of curiosity, what SSTable size did you choose for your usecase, and
what made you decide on that number?
Thanks,
-Mike
On 2/14/2013 3:51 PM, Wei Zhu wrote
Hello,
Still doing research before we potentially move one of our column
families from Size Tiered-Leveled compaction this weekend. I was doing
some research around some of the bugs that were filed against leveled
compaction in Cassandra and I found this:
https://issues.apache.org/jira
*From:* Charles Brophy cbro...@zulily.com
*To:* user@cassandra.apache.org
*Sent:* Thursday, February 14, 2013 8:29 AM
*Subject:* Re: Size Tiered - Leveled Compaction
I second these questions: we've been looking into changing some of our
CFs to use leveled
.
- Original Message -
From: Mike mthero...@yahoo.com
To: user@cassandra.apache.org
Sent: Sunday, February 17, 2013 4:50:40 AM
Subject: Re: Size Tiered - Leveled Compaction
Hello Wei,
First thanks for this response.
Out of curiosity, what SSTable size did you choose for your usecase
@cassandra.apache.org
*Sent:* Thursday, February 14, 2013 8:29 AM
*Subject:* Re: Size Tiered - Leveled Compaction
I second these questions: we've been looking into changing some of
our CFs to use leveled compaction as well. If anybody here has the
wisdom to answer them it would be of wonderful help.
Thanks
the transition of some of our column families from Size
Tiered - Leveled Compaction. I believe we have some high-read-load column
families that would benefit tremendously.
I've stood up a test DB Node to investigate the transition. I
successfully alter the column family, and I immediately
the SSTable distribution among different levels.
-Wei
From: Charles Brophy cbro...@zulily.com
To: user@cassandra.apache.org
Sent: Thursday, February 14, 2013 8:29 AM
Subject: Re: Size Tiered - Leveled Compaction
I second these questions: we've been looking
directory and it
tells you the SSTable distribution among different levels.
-Wei
From: Charles Brophy cbro...@zulily.com
To: user@cassandra.apache.org
Sent: Thursday, February 14, 2013 8:29 AM
Subject: Re: Size Tiered - Leveled Compaction
I second these questions: we've been looking
Hello,
I'm investigating the transition of some of our column families from
Size Tiered - Leveled Compaction. I believe we have some
high-read-load column families that would benefit tremendously.
I've stood up a test DB Node to investigate the transition. I
successfully alter the column
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