Hi Guys, On 17 Feb 2014, at 3:13 pm, Thunder Stumpges <thunder.stump...@gmail.com> wrote: > If you are looking for write throughput and running on a VM you could likely > have IO issues with your virtual disks.. Best practices are to put the write > ahead log on a separate disk from the data folder(s). Not sure if you have > done this or what physical setup you have under the VM but I would also > examine your IO while you are doing this. Is there other load on the system > either read or write while this is happening?
Good points! This is probably it. If my understanding of those timeout config settings are correct (i.e. max 2 second write wait), then cassandra would be much more sensitive to times of VPS disk or CPU contention on a virtual machine. That is to say, MySQL doesn’t error out if your VPS freezes with CPU/Disk/Network contention for 2 seconds, but it seems that cassandra would. Is my understanding correct? Best regards, Jacob
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