The data file with rows and columns, the bloom filter for the rows in the data
file, the index for rows in the data file and the statistics.
Cheers
-
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com
On 21 Jul 2011, at 23:26, Nilabja Banerje
*One more thing I want to ask here* ...in the data folder of cassandra, for
each columnfamily four type of .db files are generated. for example:
CFname-f-1-*Data*.db, CFname-f-1-*Filter*.db, CFname-f-1-*Index*.db,
CFname-f-1-*Statistic*.db,
*What are these extensions are?
*Thank you
On 21 July
Thanks Aaron and samal for your quick response. Its going to be helpful
On Thu, Jul 21, 2011 at 4:15 PM, aaron morton wrote:
> Try the project wiki here
> http://wiki.apache.org/cassandra/ArchitectureOverview or the my own blog
> here
> http://thelastpickle.com/2011/04/28/Forces-of-Write-and-
Thanks samal... I got it now
On Thu, Jul 21, 2011 at 4:11 PM, samal wrote:
>
> Any ways , some where memtable has to be stored right, like we say memtable
> data is flushed to create sstable on disk.
>
>> Exactly from which location or memory it will be getting from. is it like
>> an objects
Try the project wiki here http://wiki.apache.org/cassandra/ArchitectureOverview
or the my own blog here
http://thelastpickle.com/2011/04/28/Forces-of-Write-and-Read/
There is also a list of articles on the wiki here
http://wiki.apache.org/cassandra/ArticlesAndPresentations
in short, writes got
Any ways , some where memtable has to be stored right, like we say memtable
data is flushed to create sstable on disk.
> Exactly from which location or memory it will be getting from. is it like
> an objects streams or like it is storing the values in commitlog.
>
A Memtable is Cassandra's in-mem
Hi,
You r right but i too have some concerns...
Any ways , some where memtable has to be stored right, like we say memtable
data is flushed to create sstable on disk.
Exactly from which location or memory it will be getting from. is it like an
objects streams or like it is storing the values in c
SSTable is stored on disk not memtable.
Memtable is memory representation of data, which is on flush to create
SSTable on disk.
This is the location where SSTable is stored
https://github.com/apache/cassandra/blob/trunk/conf/cassandra.yaml#L71
Where as Commitlog which is back up (log) for memta
Hi,
Can you please let me know where exactly the memtables are getting stored. I
wanted to know the physical location
