0505-Hystrix保护应用-Turbine集群状态监控

https://cloud.spring.io/spring-cloud-static/Edgware.SR3/single/spring-cloud.html#_turbine

【推广】免费学中医，健康全家人

原文地址：https://www.cnblogs.com/bjlhx/p/8911068.html

推荐文章
INSTRUCTION CYCLE
Dynamic Percentage of Operands
whether the computers in a cluster share access to the same disks
symmetric multiprocessor
an alternative to symmetric multiprocessing
Different Approaches for MVCC
Any changes made by a writer will not be seen by other users of the database until the changes have been completed
Portable Operating System Interface for uni-X
SHARE NOTHING SHARE EVERYTHING
fopen w c
Given a compiled machine-language program, which statements in the source language cause the execution of the most machine-language instructions and what is the execution time of these instr
A quick renice command rescheduled the upgrade to a lower priority and I was back to surfing in no time.
INSTRUCTION EXECUTION CHARACTERISTICS
Characteristics of Some CISCs, RISCs, and Superscalar Processors
the major advances since the birth of the computer
15.2 THE USE OF A LARGE REGISTER FILE
principal-component-analysis
buffer pool
http://highscalability.com/blog/2015/5/18/how-mysql-is-able-to-scale-to-200-million-qps-mysql-cluster.html
most queries (more than 90 percent) never hit the database at all but only touch the cache layer
faster with MyISAM tables than with InnoDB or NDB tables
w-BIG TABLE 1-toSMALLtable @-toMEMORY
Indexing and Hashing
MEMORY Storage Engine MEMORY Tables TEMPORARY TABLE max_heap_table_size
controlling the variance of request response times and not just worrying about maximizing queries per second
Variance
Population Mean
12.162s 1805.867s
situations where MyISAM will be faster than InnoDB
1920.154s 0.309s 30817