On 2016-03-25 18:11:21 +0800, 657985552@qq.com wrote:
> hello everyone:
> I was bothered by the postgres spinlock for a long time . How to understand this sentence "postgres 9.5
performanceimprovements for multi-CPU machines"
> at present my database is 9.3.5 。 Can it solve the spinlock problem, if upgrade it to 9.5 ?
It's quite possible that the upgrade helps. But without additional data
it's hard to say. The change is that postgres internal reader/writer
lock now, in many cases, avoid the use of a spinlock, relying on atomic
operations instead.
Regards,
Andres