cassandra
Cassandra and Tombstones: Creating a Row , Deleting the Row, Recreating the Row = Performance?
Could someone please explain, what effect the followi开发者_如何学Gong process has on tombstones:[详细]
2023-04-02 09:41 分类:问答Cassandra timestamp 8bytes
I understand that time stamp is there for eventual consistency but there开发者_如何学JAVA are some cases where consistency is required per row not for each cell. In this case 8bytes per cell is just w[详细]
2023-04-02 07:44 分类:问答Cassandra sstableloader Failed attempt 2 to connect to non-seed node
I am trying to load sstables using cassandra utility sstable-loader with cassandra 0.8.3 on a cluster of two nodes.[详细]
2023-04-02 06:34 分类:问答Cassandra startup issue
First, I read this this. I cannot get Cassandra up and running again. I am using Hector as my client to connect to an instance of Cassandra 0.8.2 & load my schema. Through Hector, I am using 2 d[详细]
2023-04-01 20:15 分类:问答Cassandra with PHP - on call of cassandra-test.php I get "Call to undefined method CassandraClient::batch_insert()"
Im trying to make Cassandra run with PHP on Windows 7 at the moment. I installed cassandra and thrift...[详细]
2023-04-01 17:50 分类:问答Large scale data processing Hbase vs Cassandra [closed]
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references,o开发者_JS百科r expertise, but this question will likely soli[详细]
2023-04-01 10:31 分类:问答physical disk space management of cassandra
Recently I have been looking into C开发者_如何学Goassandra from our new project\'s perspective and learned a lot from this community and its wiki too. But I have not found anything about about how upd[详细]
2023-04-01 08:56 分类:问答Cassandra BETWEEN & ORDER BY operations
I wanted to perform SQL operations such as BETWEEN, ORDER BY with ASC/DSC order on Cassandra-0.7.8. As I know, Cassandra-0.7.8 does not have direct support to these operations. Kindly let me know is[详细]
2023-04-01 04:15 分类:问答Columns count vs counter column performance
I am won开发者_开发知识库dering what is the best way to get the number of columns in a particular column family. I can get the number of columns directly but I am not sure if it is efficient solution.[详细]
2023-04-01 02:18 分类:问答cassandra replication or raid
With traditional RDBMS we are used to RAID10 in most cases but if using cassandra RF=2 then we exactly have one copy as backup then in this case why not or why to use RAID10.[详细]
2023-04-01 02:03 分类:问答