## java   

Arrays.sortCollection   
foreachwhile()   
   
   
   
   
   
HashMap   
LinkedHashMap  
   
cloneableor   
Java NIO   
hashtablehashmaphashmaphash   
arraylistlinkedlist   
Class.forNameClassLoader   
StringStringbufferStringBuilder   
2hashcode   
NIOnettymina   
TreeMap   

### JVM   

   
JVM   
Java 8   
JVMMinorGC   
jvmGCygcfgcjvm   
cmsg1   
   
EdenSurvivor   
Classloader   
JVM   
Java   
   
OOMstackoverflowpermgen space   
JVM   
tomcat   
volatile    
g1cms,    
classpathclasspathClassNotFoundException   
gc      

### JUC/   

ThreadLocal   
SynchronizedLock   
synchronized    
concurrenthashmapjdk8   
   
casABA   
   
ConcurrentLinkedQueueLinkedBlockingQueue   
AQS    
countdowlatchcyclicbarrier?   
concurrent  
LockSupport   
Condition   
Fork/Join   
jdk8parallelStream   
,    

## Spring   

Spring AOPIOC   
SpringbeanFactoryfactoryBean   
CGlib   
RMI   
Spring   
Springaopaop  
Mybatis      
MVCurl   
spring boot   
quartztimer   
springcontroller   

##     

Dubbo   
   
   
   
    
Dubbo   
   
   
  
Zookeeper      
  
zookeeper   
zookeeper watch   
redis/zk    
   
   
MQmqMQ   
MQ   
   

## &&   

url  
   
   
   
BTree    
   
hash   
hash   
paxos   
   
   

##    

MySQL InnoDB   
   
  
MySQL   
mysqlB+   
   
    
INNODB2     
mysql     

## Redis&   

RedisRedisCAS   
   
Redis   
Redis    
   
redis     
mySQL2000wredis20wredis   
Redis1Id5   
redis   

##    

http1.0http1.1   
TCP/IP   
TCP4,   
TIME_WAITCLOSE_WAIT   
HTTP   
   
TCP/IP    
     
Httpgetpost   
tcp34TIMEWAIT    

##   

maven,   
LinuxIO  
SQL   
TOP K   
bug   
    
linuxiocpu   
10    
abcabcabcabc   
   
30