alexeyryzhikov

import java.util.Collection;
import java.util.Map;

import org.elasticsearch.common.collect.ArrayListMultimap;
import org.elasticsearch.common.collect.Multimap;
import org.elasticsearch.common.hash.Hashing;
import org.junit.Test;

public class ConsistentHashingTest {

alexeyryzhikov

public class BufferedReader extends Reader {

    private static final int BUFFER_CAPACITY = 64 * 1024; //64k

    private List<CharBuffer> buffers = new ArrayList<>();

    private int bufferIdx = 0;

    public BufferedReader() {
        this.buffers = new ArrayList<>();

alexeyryzhikov

for line in `docker ps | awk '{print $1}' | grep -v CONTAINER`; do \
    echo $(( `cat /sys/fs/cgroup/memory/docker/$line*/memory.usage_in_bytes` / 1024 / 1024 ))MB \
        $(docker ps | grep $line | awk '{printf $NF" "}') ; \
done | sort -n

alexeyryzhikov

VER=0.0.1 grep -lRZ --include *.xml $VER-SNAPSHOT . | xargs -0 -l sed -i -e s/$VER-SNAPSHOT/$VER/
VER=0.0.1 grep -lRZ --include *.conf $VER-SNAPSHOT . | xargs -0 -l sed -i -e s/$VER-SNAPSHOT/$VER/

alexeyryzhikov

server {
    listen 80;

    root /usr/share/nginx/html;
    index index.html index.htm;

    # Make site accessible from http://localhost/
    server_name demo.com;

    location = / {

alexeyryzhikov

@BeforeClass
public static void setupTestClass() {
    ConsoleAppender console = new ConsoleAppender(); //create appender
    //configure the appender
    String PATTERN = "%d [%p] %c - %m%n";
    console.setLayout(new PatternLayout(PATTERN));
    console.setThreshold(Level.TRACE);
    console.activateOptions();
    //add appender to any Logger (here is root)
    Logger.getRootLogger().addAppender(console);

alexeyryzhikov

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.nio.ByteBuffer;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.concurrent.CountDownLatch;

alexeyryzhikov

SELECT 
    table_schema, 
    table_name, 
    SUM(data_length + index_length)/1024/1024 AS size
FROM information_schema.tables
GROUP BY table_schema, table_name
ORDER BY 3 DESC;

alexeyryzhikov

du -sh ./*

alexeyryzhikov

SELECT *
FROM v$locked_object l, dba_objects o
WHERE l.object_id = o.object_id
ORDER BY o.object_id, 1 desc