com.alicp.jetcache.support.StatInfoLogger Maven / Gradle / Ivy

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package com.alicp.jetcache.support;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.OptionalInt;
import java.util.function.Consumer;

/**
 * Created on 2016/12/6.
 *
 * @author huangli
 */
public class StatInfoLogger implements Consumer {

    private static Logger logger = LoggerFactory.getLogger(StatInfoLogger.class);
    private boolean verboseLog;

    protected int maxNameLength = 65;

    public StatInfoLogger(boolean verboseLog) {
        this.verboseLog = verboseLog;
    }

    @Override
    public void accept(StatInfo statInfo) {
        List stats = statInfo.getStats();
        Collections.sort(stats, (o1, o2) -> {
            if (o1.getCacheName() == null) {
                return -1;
            } else if (o2.getCacheName() == null) {
                return 1;
            } else {
                return o1.getCacheName().compareTo(o2.getCacheName());
            }
        });
        StringBuilder sb;
        if (verboseLog) {
            sb = logVerbose(statInfo);
        } else {
            sb = logStatSummary(statInfo);
        }
        logger.info(sb.toString());
    }

    private StringBuilder logTitle(int initSize, StatInfo statInfo) {
        StringBuilder sb = new StringBuilder(initSize);
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss,SSS");
        sb.append("jetcache stat from ").append(sdf.format(new Date(statInfo.getStartTime())))
                .append(" to ").append(sdf.format(statInfo.getEndTime())).append("\n");
        return sb;
    }

    private void printSepLine(StringBuilder sb, String title) {
        title.chars().forEach((c) -> {
            if (c == '|') {
                sb.append('+');
            } else {
                sb.append('-');
            }
        });
        sb.append('\n');
    }

    private StringBuilder logStatSummary(StatInfo statInfo) {
        StringBuilder sb = logTitle(2048, statInfo);

        List stats = statInfo.getStats();
        OptionalInt maxCacheNameLength = stats.stream().mapToInt((s) -> getName(s.getCacheName()).length()).max();
        int len = Math.max(5, maxCacheNameLength.orElse(0));

        String title = String.format("%-" + len + "s|%10s|%7s|%14s|%14s|%14s|%14s|%11s|%11s", "cache", "qps", "rate", "get", "hit", "fail", "expire", "avgLoadTime", "maxLoadTime");
        sb.append(title).append('\n');
        printSepLine(sb, title);
        for (CacheStat s : stats) {
            sb.append(String.format("%-" + len + "s", getName(s.getCacheName()))).append('|');
            sb.append(String.format("%,10.2f", s.qps())).append('|');
            sb.append(String.format("%6.2f%%", s.hitRate() * 100)).append('|');
            sb.append(String.format("%,14d", s.getGetCount())).append('|');
            sb.append(String.format("%,14d", s.getGetHitCount())).append('|');
            sb.append(String.format("%,14d", s.getGetFailCount())).append('|');
            sb.append(String.format("%,14d", s.getGetExpireCount())).append('|');
            sb.append(String.format("%,11.1f", s.avgLoadTime())).append('|');
            sb.append(String.format("%,11d", s.getMaxLoadTime())).append('\n');
        }
        printSepLine(sb, title);
        return sb;
    }

    private String getName(String name) {
        if (name == null) {
            return null;
        }
        if (name.length() > maxNameLength) {
            return "..." + name.substring(name.length() - maxNameLength + 3);
        } else {
            return name;
        }
    }


    private StringBuilder logVerbose(StatInfo statInfo) {
        StringBuilder sb = logTitle(8192, statInfo);
        List stats = statInfo.getStats();

        for (CacheStat s : stats) {
            String title = String.format("%-10s|%10s|%14s|%14s|%14s|%14s|%14s|%9s|%7s|%7s", "oper", "qps/tps", "count", "success/hit", "fail", "miss", "expired", "avgTime", "minTime", "maxTime");

            printSepLine(sb, title);

            sb.append(s.getCacheName()).append("(hit rate ").append(String.format("%.3f", s.hitRate() * 100)).append("%)").append('\n');
            sb.append(title).append('\n');

            printSepLine(sb, title);

            sb.append(String.format("%-10s", "get")).append('|');
            sb.append(String.format("%,10.2f", s.qps())).append('|');
            sb.append(String.format("%,14d", s.getGetCount())).append('|');
            sb.append(String.format("%,14d", s.getGetHitCount())).append('|');
            sb.append(String.format("%,14d", s.getGetFailCount())).append('|');
            sb.append(String.format("%,14d", s.getGetMissCount())).append('|');
            sb.append(String.format("%,14d", s.getGetExpireCount())).append('|');
            sb.append(String.format("%,9.1f", s.avgGetTime())).append('|');
            sb.append(String.format("%,7d", s.getMinGetTime() == Long.MAX_VALUE ? 0 : s.getMinGetTime())).append('|');
            sb.append(String.format("%,7d", s.getMaxGetTime())).append('\n');

            sb.append(String.format("%-10s", "put")).append('|');
            sb.append(String.format("%,10.2f", s.putTps())).append('|');
            sb.append(String.format("%,14d", s.getPutCount())).append('|');
            sb.append(String.format("%,14d", s.getPutSuccessCount())).append('|');
            sb.append(String.format("%,14d", s.getPutFailCount())).append('|');
            sb.append(String.format("%14s", "N/A")).append('|');
            sb.append(String.format("%14s", "N/A")).append('|');
            sb.append(String.format("%,9.1f", s.avgPutTime())).append('|');
            sb.append(String.format("%,7d", s.getMinPutTime() == Long.MAX_VALUE ? 0 : s.getMinPutTime())).append('|');
            sb.append(String.format("%,7d", s.getMaxPutTime())).append('\n');

            sb.append(String.format("%-10s", "remove")).append('|');
            sb.append(String.format("%,10.2f", s.removeTps())).append('|');
            sb.append(String.format("%,14d", s.getRemoveCount())).append('|');
            sb.append(String.format("%,14d", s.getRemoveSuccessCount())).append('|');
            sb.append(String.format("%,14d", s.getRemoveFailCount())).append('|');
            sb.append(String.format("%14s", "N/A")).append('|');
            sb.append(String.format("%14s", "N/A")).append('|');
            sb.append(String.format("%,9.1f", s.avgRemoveTime())).append('|');
            sb.append(String.format("%,7d", s.getMinRemoveTime() == Long.MAX_VALUE ? 0 : s.getMinRemoveTime())).append('|');
            sb.append(String.format("%,7d", s.getMaxRemoveTime())).append('\n');

            sb.append(String.format("%-10s", "load")).append('|');
            sb.append(String.format("%,10.2f", s.loadQps())).append('|');
            sb.append(String.format("%,14d", s.getLoadCount())).append('|');
            sb.append(String.format("%,14d", s.getLoadSuccessCount())).append('|');
            sb.append(String.format("%,14d", s.getLoadFailCount())).append('|');
            sb.append(String.format("%14s", "N/A")).append('|');
            sb.append(String.format("%14s", "N/A")).append('|');
            sb.append(String.format("%,9.1f", s.avgLoadTime())).append('|');
            sb.append(String.format("%,7d", s.getMinLoadTime() == Long.MAX_VALUE ? 0 : s.getMinLoadTime())).append('|');
            sb.append(String.format("%,7d", s.getMaxLoadTime())).append('\n');

        }
        return sb;
    }
}