论文作者:Robert G. Haight, Charles S. Revelle, Stephanie A. Snyder 论文原文:Robert G. Haight, Charles S. Revelle, Stephanie A. Snyder, (2000) An Integer Optimization Approach to a Probabilistic Reserve Site Selection Problem. Operat…
Flume进阶
Flume 事务
事务处理流程如下: Put
doPut:将批数据先写入临时缓冲区putListdoCommit:检查channel内存队列是否足够合并。doRollback:channel内存队列空间不足,回滚数据
Take
doTake:将数据取…