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org.elasticsearch.indices.recovery.RecoveryFailedException: [role-2915][0]: Recovery failed on {ubuntu-200}{QWjjPXyySuWh7npiB6RXFA}{z6fNZHM6QTy-k-oOWinKkg}{192.168.1.200}{192.168.1.200:9300}{ml.max_open_jobs=10, ml.enabled=true}
	at org.elasticsearch.index.shard.IndexShard.lambda$startRecovery$1(IndexShard.java:1488) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingRunnable.run(ThreadContext.java:569) ~[elasticsearch-5.6.1.jar:5.6.1]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[?:1.8.0_45]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[?:1.8.0_45]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45]
Caused by: org.elasticsearch.index.shard.IndexShardRecoveryException: failed to fetch index version after copying it over
	at org.elasticsearch.index.shard.StoreRecovery.internalRecoverFromStore(StoreRecovery.java:344) ~[elasticsearch-5.6.1.jar:5.6.1]
	at org.elasticsearch.i

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[2017-11-02T10:35:44,801][ERROR][i.n.u.c.D.rejectedExecution] Failed to submit a listener notification task. Event loop shut down?
java.util.concurrent.RejectedExecutionException: event executor terminated
	at io.netty.util.concurrent.SingleThreadEventExecutor.reject(SingleThreadEventExecutor.java:821) ~[?:?]
	at io.netty.util.concurrent.SingleThreadEventExecutor.offerTask(SingleThreadEventExecutor.java:327) ~[?:?]
	at io.netty.util.concurrent.SingleThreadEventExecutor.addTask(SingleThreadEventExecutor.java:320) ~[?:?]
	at io.netty.util.concurrent.SingleThreadEventExecutor.execute(SingleThreadEventExecutor.java:746) ~[?:?]
	at io.netty.util.concurrent.DefaultPromise.safeExecute(DefaultPromise.java:760) ~[?:?]
	at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:428) ~[?:?]
	at io.netty.util.concurrent.DefaultPromise.addListener(DefaultPromise.java:163) ~[?:?]
	at io.netty.channel.DefaultChannelPromise.addListener(DefaultChannelPromise.java:93) ~[?:?]

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Exception in thread "[main]>worker7" java.lang.NullPointerException
	at org.logstash.DateNode.evaluate(DateNode.java:21)
	at org.logstash.Template.evaluate(Template.java:28)
	at org.logstash.StringInterpolation.evaluate(StringInterpolation.java:47)
	at org.logstash.Event.sprintf(Event.java:289)
	at org.logstash.ext.JrubyEventExtLibrary$RubyEvent.ruby_sprintf(JrubyEventExtLibrary.java:203)
	at org.logstash.ext.JrubyEventExtLibrary$RubyEvent$INVOKER$i$1$0$ruby_sprintf.call(JrubyEventExtLibrary$RubyEvent$INVOKER$i$1$0$ruby_sprintf.gen)
	at org.jruby.runtime.callsite.CachingCallSite.call(CachingCallSite.java:168)
	at org.jruby.ast.CallOneArgNode.interpret(CallOneArgNode.java:57)
	at org.jruby.ast.DAsgnNode.interpret(DAsgnNode.java:110)

zzt93

[2017-10-31T09:16:22,432][ERROR][o.e.t.n.Netty4Utils      ] fatal error on the network layer
  at org.elasticsearch.transport.netty4.Netty4Utils.maybeDie(Netty4Utils.java:179)
  at org.elasticsearch.transport.netty4.Netty4MessageChannelHandler.exceptionCaught(Netty4MessageChannelHandler.java:83)
  at io.netty.channel.AbstractChannelHandlerContext.invokeExceptionCaught(AbstractChannelHandlerContext.java:285)
  at io.netty.channel.AbstractChannelHandlerContext.notifyHandlerException(AbstractChannelHandlerContext.java:850)
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:364)
  at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348)
  at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340)
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310)
  at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMes

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Latency Comparison Numbers
--------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD

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vector<int> getNext(const string& s) {
    vector<int> res(s.length());
    res[0] = -1;
    const char* start = s.c_str();
    int j = -1;
    for(int i = 0; i < s.length() - 1; ) {
        if(j == -1) {
            res[i + 1] = 0;
            i++;
            j = 0;

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package interview.leetcode;

import competition.utility.MyIn;

import java.util.ArrayList;

/**
 * Created by zzt on 7/6/16.
 * <p>
 * <h3></h3>

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "prime.h"


void prime(long long n) {
    // too large n cause stack overflow
    size_t mem = sizeof(int)*(n + 1);

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#include <stdio.h>
#include <stdarg.h>

void hello2(int p1, int p2)
{
	printf("hello2 %d %d\n", p1, p2);
}

void hello3(int p1, int p2, int p3)
{

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#include "var.h"
#include <stdio.h>

#define hello1(s) hello2(s, "default string")

void hello2(const char *s, const char* s2) {
    printf("hello2 %s and %s\n", s, s2);
}

#define hello(...) xglue(hello, PP_NARG(__VA_ARGS__))(__VA_ARGS__)