Re: How to flush `block_cache_capacity_mb` easily?

2017-04-07 Thread Todd Lipcon
Hey Jason, Can I ask what the purposes of the testing is? One thing to note is that we're currently leaving a fair bit of performance on the table for cold-cache reads from spinning disks. So, if you find that the performance is not satisfactory, it's worth being aware that we will likely make

Re: How to flush `block_cache_capacity_mb` easily?

2017-04-07 Thread Dan Burkert
Hi Jason, There is no command to have Kudu evict its block cache, but restarting the tablet server process will have that effect. Ideally all written data will be flushed before the restart, otherwise startup/bootstrap will take a bit longer. Flushing typically happens within 60s of the last