[Presto] Reprint: protection mechanism when Presto cluster memory is insufficient
presto memory pool distribution
In order to prevent OOM of nodes in the cluster, Presto has a circular thread to obtain the current cluster nodes and the overall memory occupation of the cluster. We know Presto is divided into RESERVED_POOL and GENERAL_POOL.
Judge whether the node is blocked (out of memory): If reserved is used_ POOL (which ...
Added by rohithreddyk on Sat, 29 Jan 2022 02:22:08 +0200