Re: [DISCUSSION] High-volume counters in Cassandra

2010-09-26 Thread Zhu Han
I propose a new way to solve the counter problem in cassandra-1502[1]. Since I do not follow the jira update very carefully, I paste it here and want to let more people comment it and then to see whether its feasible. "Seems like we have not found a solution acceptable to everybody. I tries to pr

Atomically adding a column to columns_

2010-09-26 Thread Ohad Shacham
Hi, We are building a tool for detecting non atomic usages of concurrent collections. We analyzed your code using our tool and found the following behavior: Function addColumn at class SuperColumn tries to atomically add a column to the concurrent collection “columns_” using the following