> > We don't have any motivation of its interface change. > > We are seeing problems where we are generating a lot of dirty memory > from asynchronous background writes while more important traffic is > operating with DIRECT_IO. The DIRECT_IO traffic will incur high > latency spikes as the pdflush hits the background threshold and tries > to write a lot of dirty buffers at once. > > What we want to do is lower the background threshold low enough so > that we don't end up writing a lot of data at one time. As systems get > more and more memory this is and will become difficult. 1% of system > RAM could tie up a disk. yup. sorry, I choosed bad word at my last mail. it caused your confusion. I only disagreed vm_dirty_KB. I agreed with fine graind vm_dirty_ratio. Thanks. _______________________________________________ Containers mailing list Containers@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/containers
