Critical Description
The concurrent of the system is not high,but CPU usage often up to 100%.
I had stopped the system,but regionserver's CPU usage is still high.
what can case this problem?
table row count：6000 million
table ddl：
create table if not exists summary
(
videoid integer not null,
date date not null,
platform varchar not null,
device varchar not null,
systemgroup varchar not null,
system varchar not null,
vv bigint,
ts bigint,
up bigint,
down bigint,
comment bigint,
favori bigint,
favord bigint,
quote bigint,
reply bigint
constraint pk primary key (videoid, date,platform, device, systemgroup,system)
)salt_buckets = 30,versions=1,compression='snappy';
query 1：
select sum(vv) as sumvv,sum(comment) as sumcomment,sum(up) as sumup,sum(down) as sumdown,sum(reply) as sumreply,count
as count from summary(reply bigint) where videoid in(137102991,151113895,171559204,171559439,171573932,171573932,171573932,171574082,171574082,171574164,171677219,171794335,171902734,172364368,172475141,172700554,172700554,172700554,172716705,172784258,172835778,173112067,173165316,173165316,173379601,173448315,173503961,173692664,173911358,174077089,174099017,174349633,174349877,174651474,174651474,174759297,174883566,174883566,174987670,174987670,175131298) and date>=to_date('2013-09-01','yyyy-MM-dd') and date<=to_date('2014-07-07','yyyy-MM-dd')
