On 6/30/2019 2:08 PM, derrick cui wrote:
Good point Erick, I will try it today, but I have already use cursorMark in my 
query for deep pagination.
Also I noticed that my cpu usage is pretty high, 8 cores, usage is over 700%. I 
am not sure it will help if I use ssd disk

That depends on whether the load is caused by iowait or by actual CPU usage.

If it's caused by iowait, then SSD would help, but additional memory would help more. Retrieving data from the OS disk cache (which exists in main memory) is faster than SSD.

If it is actual CPU load, then it will take some additional poking around to figure out which part of your activities causes the load, as Erick mentioned.

It's normally a little bit easier to learn these things from Unix-like operating systems than from Windows. What OS are you running Solr on?

Thanks,
Shawn

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