Examples with Statistics net.sf.ehcache.Statistics used on opensource projects

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Example 6 with Statistics

use of net.sf.ehcache.Statistics in project Gemma by PavlidisLab.

the class CacheMonitorImpl method getStats.

@Override
public String getStats() {
    StringBuilder buf = new StringBuilder();
    String[] cacheNames = cacheManager.getCacheNames();
    Arrays.sort(cacheNames);
    // Terracotta clustered?
    TerracottaClientConfiguration terracottaConfig = cacheManager.getConfiguration().getTerracottaConfiguration();
    buf.append("Distributed caching is ");
    buf.append(terracottaConfig != null ? "enabled" : "disabled");
    buf.append(" in the configuration file");
    buf.append(terracottaConfig != null ? ". The cache server's configuration URL is at [" + terracottaConfig.getUrl() + "]" : "");
    buf.append(".<br/>");
    buf.append(cacheNames.length).append(" caches; only non-empty caches listed below.");
    // FIXME make these sortable.
    buf.append("<br/>&nbsp;To clear all caches click here: <img src='" + Settings.getRootContext() + "/images/icons/arrow_rotate_anticlockwise.png' onClick=\"clearAllCaches()\" alt='Flush caches' title='Clear caches' />&nbsp;&nbsp;");
    buf.append("<br/>&nbsp;To start statistics collection click here: <img src='" + Settings.getRootContext() + "/images/icons/arrow_rotate_anticlockwise.png' onClick=\"enableStatistics()\" alt='Enable stats' title='Enable stats' />&nbsp;&nbsp;");
    buf.append("<br/>&nbsp;To stop statistics collection click here: <img src='" + Settings.getRootContext() + "/images/icons/arrow_rotate_anticlockwise.png' onClick=\"disableStatistics()\" alt='Disable stats' title='Disable stats' />&nbsp;&nbsp;");
    buf.append("<table style='font-size:small'  ><tr>");
    String header = "<th>Name</th><th>HitRate</th><th>Hits</th><th>Misses</th><th>Count</th><th>MemHits</th><th>MemMiss</th><th>DiskHits</th><th>Evicted</th> <th>Eternal?</th><th>UseDisk?</th> <th>MaxInMem</th><th>LifeTime</th><th>IdleTime</th>";
    buf.append(header);
    buf.append("</tr>");
    int count = 0;
    for (String rawCacheName : cacheNames) {
        Cache cache = cacheManager.getCache(rawCacheName);
        Statistics statistics = cache.getStatistics();
        long objectCount = statistics.getObjectCount();
        if (objectCount == 0) {
            continue;
        }
        // a little shorter...
        String cacheName = rawCacheName.replaceFirst("ubic.gemma.model.", "u.g.m.");
        buf.append("<tr><td>").append(this.getClearCacheHtml(rawCacheName)).append(cacheName).append("</td>");
        long hits = statistics.getCacheHits();
        long misses = statistics.getCacheMisses();
        long inMemoryHits = statistics.getInMemoryHits();
        long inMemoryMisses = statistics.getInMemoryMisses();
        long onDiskHits = statistics.getOnDiskHits();
        long evictions = statistics.getEvictionCount();
        if (hits + misses > 0) {
            buf.append(this.makeTableCellForStat(String.format("%.2f", (double) hits / (hits + misses))));
        } else {
            buf.append("<td></td>");
        }
        buf.append(this.makeTableCellForStat(hits));
        buf.append(this.makeTableCellForStat(misses));
        buf.append(this.makeTableCellForStat(objectCount));
        buf.append(this.makeTableCellForStat(inMemoryHits));
        buf.append(this.makeTableCellForStat(inMemoryMisses));
        buf.append(this.makeTableCellForStat(onDiskHits));
        buf.append(this.makeTableCellForStat(evictions));
        CacheConfiguration cacheConfiguration = cache.getCacheConfiguration();
        boolean eternal = cacheConfiguration.isEternal();
        buf.append("<td>").append(eternal ? "&bull;" : "").append("</td>");
        Strategy strategy;
        strategy = cacheConfiguration.getPersistenceConfiguration() == null ? null : cacheConfiguration.getPersistenceConfiguration().getStrategy();
        buf.append("<td>").append(strategy == null || strategy.equals(Strategy.NONE) ? "" : "&bull;").append("</td>");
        buf.append("<td>").append(cacheConfiguration.getMaxEntriesLocalHeap()).append("</td>");
        if (eternal) {
            // timeouts are irrelevant.
            buf.append("<td>-</td>");
            buf.append("<td>-</td>");
        } else {
            buf.append("<td>").append(cacheConfiguration.getTimeToIdleSeconds()).append("</td>");
            buf.append("<td>").append(cacheConfiguration.getTimeToLiveSeconds()).append("</td>");
        }
        buf.append("</tr>");
        if (++count % 25 == 0) {
            buf.append("<tr>").append(header).append("</tr>");
        }
    }
    buf.append("</table>");
    return buf.toString();
}
Also used : TerracottaClientConfiguration(net.sf.ehcache.config.TerracottaClientConfiguration) Strategy(net.sf.ehcache.config.PersistenceConfiguration.Strategy) Statistics(net.sf.ehcache.Statistics) CacheConfiguration(net.sf.ehcache.config.CacheConfiguration) Cache(net.sf.ehcache.Cache)

Example 7 with Statistics

use of net.sf.ehcache.Statistics in project JMPjct by MPjct.

the class Eh method read_query.

@SuppressWarnings("unchecked")
public void read_query(Engine context) {
    if (Eh.cache == null)
        return;
    String query = context.query;
    String command = "";
    String value = "";
    // Reset all values on a new query
    this.TTL = 0;
    this.key = "";
    if (!query.startsWith("/* "))
        return;
    // Extract out the command
    command = query.substring(3, query.indexOf("*/")).trim();
    if (command.indexOf(":") != -1) {
        value = command.substring(command.indexOf(":") + 1).trim();
        command = command.substring(0, command.indexOf(":")).trim();
    }
    query = query.substring(query.indexOf("*/") + 2).trim();
    this.key = context.schema + ":" + query;
    this.logger.info("Cache Key: '" + this.key + "'");
    this.logger.trace("Command: '" + command + "'" + " value: '" + value + "'");
    if (command.equalsIgnoreCase("CACHE")) {
        this.logger.trace("CACHE");
        this.TTL = Integer.parseInt(value);
        context.buffer_result_set();
        Eh.cache.acquireWriteLockOnKey(this.key);
        Element element = Eh.cache.get(this.key);
        if (element != null) {
            this.logger.trace("Cache Hit!");
            Eh.cache.releaseWriteLockOnKey(this.key);
            context.clear_buffer();
            context.buffer = (ArrayList<byte[]>) element.getValue();
            context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
            if (context.buffer.size() == 0) {
                ERR err = new ERR();
                err.sequenceId = context.sequenceId + 1;
                err.errorCode = 1032;
                err.sqlState = "HY000";
                err.errorMessage = "Can't find record in ehcache";
                context.clear_buffer();
                context.buffer.add(err.toPacket());
                context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
                this.logger.fatal("Cache hit but invalid result!");
            }
        }
    } else if (command.equalsIgnoreCase("FLUSH")) {
        this.logger.trace("FLUSH");
        OK ok = new OK();
        boolean removed = Eh.cache.remove(this.key);
        if (removed)
            ok.affectedRows = 1;
        ok.sequenceId = context.sequenceId + 1;
        context.clear_buffer();
        context.buffer.add(ok.toPacket());
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("FLUSHALL")) {
        this.logger.trace("FLUSHALL");
        OK ok = new OK();
        Eh.cache.removeAll();
        ok.sequenceId = context.sequenceId + 1;
        context.clear_buffer();
        context.buffer.add(ok.toPacket());
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("REFRESH")) {
        this.logger.trace("REFRESH");
        Eh.cache.remove(this.key);
        this.TTL = Integer.parseInt(value);
        context.buffer_result_set();
    } else if (command.equalsIgnoreCase("STATS")) {
        this.logger.trace("STATS");
        ResultSet rs = new ResultSet();
        Row row = null;
        rs.addColumn(new Column("Key"));
        rs.addColumn(new Column("Value"));
        Statistics stats = Eh.cache.getStatistics();
        rs.addRow(new Row("AverageGetTime", stats.getAverageGetTime()));
        rs.addRow(new Row("AverageSearchTime", stats.getAverageSearchTime()));
        rs.addRow(new Row("ObjectCount", stats.getObjectCount()));
        rs.addRow(new Row("MemoryStoreObjectCount", stats.getMemoryStoreObjectCount()));
        rs.addRow(new Row("OffHeapStoreObjectCount", stats.getOffHeapStoreObjectCount()));
        rs.addRow(new Row("DiskStoreObjectCount", stats.getDiskStoreObjectCount()));
        rs.addRow(new Row("CacheHits", stats.getCacheHits()));
        rs.addRow(new Row("CacheMisses", stats.getCacheMisses()));
        rs.addRow(new Row("InMemoryHits", stats.getInMemoryHits()));
        rs.addRow(new Row("InMemoryMisses", stats.getInMemoryMisses()));
        rs.addRow(new Row("OffHeapHits", stats.getOffHeapHits()));
        rs.addRow(new Row("OffHeapMisses", stats.getOffHeapMisses()));
        rs.addRow(new Row("OnDiskHits", stats.getOnDiskHits()));
        rs.addRow(new Row("OnDiskMisses", stats.getOnDiskMisses()));
        rs.addRow(new Row("EvictionCount", stats.getEvictionCount()));
        rs.addRow(new Row("SearchesPerSecond", stats.getSearchesPerSecond()));
        rs.addRow(new Row("WriterQueueSize", stats.getWriterQueueSize()));
        context.clear_buffer();
        context.buffer = rs.toPackets();
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("INFO")) {
        this.logger.trace("INFO");
        ResultSet rs = new ResultSet();
        Row row = null;
        rs.addColumn(new Column("Key"));
        rs.addColumn(new Column("Value"));
        rs.addRow(new Row("getGuid", Eh.cache.getGuid()));
        rs.addRow(new Row("getName", Eh.cache.getName()));
        rs.addRow(new Row("getStatus", Eh.cache.getStatus().toString()));
        rs.addRow(new Row("isDisabled", Eh.cache.isDisabled()));
        rs.addRow(new Row("isSearchable", Eh.cache.isSearchable()));
        try {
            rs.addRow(new Row("isNodeBulkLoadEnabled", Eh.cache.isNodeBulkLoadEnabled()));
            rs.addRow(new Row("isClusterBulkLoadEnabled", Eh.cache.isClusterBulkLoadEnabled()));
        } catch (UnsupportedOperationException e) {
        } catch (TerracottaNotRunningException e) {
        }
        rs.addRow(new Row("isStatisticsEnabled", Eh.cache.isStatisticsEnabled()));
        rs.addRow(new Row("isSampledStatisticsEnabled", Eh.cache.isSampledStatisticsEnabled()));
        switch(Eh.cache.getStatisticsAccuracy()) {
            case Statistics.STATISTICS_ACCURACY_BEST_EFFORT:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_BEST_EFFORT"));
                break;
            case Statistics.STATISTICS_ACCURACY_GUARANTEED:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_GUARANTEED"));
                break;
            case Statistics.STATISTICS_ACCURACY_NONE:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_NONE"));
                break;
            default:
                rs.addRow(new Row("getStatisticsAccuracy", "STATISTICS_ACCURACY_UNKNOWN"));
                break;
        }
        rs.addRow(new Row("hasAbortedSizeOf", Eh.cache.hasAbortedSizeOf()));
        context.clear_buffer();
        context.buffer = rs.toPackets();
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else if (command.equalsIgnoreCase("DUMP KEYS")) {
        this.logger.trace("DUMP KEYS");
        List keys = this.cache.getKeysWithExpiryCheck();
        ResultSet rs = new ResultSet();
        rs.addColumn(new Column("Key"));
        for (Object k : keys) {
            this.logger.trace("Key: '" + k + "'");
            rs.addRow(new Row(k.toString()));
        }
        context.clear_buffer();
        context.buffer = rs.toPackets();
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
    } else {
        this.logger.trace("FAIL");
        ERR err = new ERR();
        err.sequenceId = context.sequenceId + 1;
        err.errorCode = 1047;
        err.sqlState = "08S01";
        err.errorMessage = "Unknown command '" + command + "'";
        context.clear_buffer();
        context.buffer.add(err.toPacket());
        context.nextMode = Flags.MODE_SEND_QUERY_RESULT;
        this.logger.fatal(command + " is unknown!");
    }
}
Also used : TerracottaNotRunningException(net.sf.ehcache.terracotta.TerracottaNotRunningException) ERR(com.github.mpjct.jmpjct.mysql.proto.ERR) Column(com.github.mpjct.jmpjct.mysql.proto.Column) Element(net.sf.ehcache.Element) ResultSet(com.github.mpjct.jmpjct.mysql.proto.ResultSet) ArrayList(java.util.ArrayList) List(java.util.List) Row(com.github.mpjct.jmpjct.mysql.proto.Row) OK(com.github.mpjct.jmpjct.mysql.proto.OK) Statistics(net.sf.ehcache.Statistics)

Aggregations

Statistics (net.sf.ehcache.Statistics)7 Cache (net.sf.ehcache.Cache)4 CacheManager (net.sf.ehcache.CacheManager)2 CacheConfiguration (net.sf.ehcache.config.CacheConfiguration)2 MarkupCache (org.apache.wicket.markup.MarkupCache)2 Column (com.github.mpjct.jmpjct.mysql.proto.Column)1 ERR (com.github.mpjct.jmpjct.mysql.proto.ERR)1 OK (com.github.mpjct.jmpjct.mysql.proto.OK)1 ResultSet (com.github.mpjct.jmpjct.mysql.proto.ResultSet)1 Row (com.github.mpjct.jmpjct.mysql.proto.Row)1 ArrayList (java.util.ArrayList)1 List (java.util.List)1 TreeMap (java.util.TreeMap)1 Ehcache (net.sf.ehcache.Ehcache)1 Element (net.sf.ehcache.Element)1 Strategy (net.sf.ehcache.config.PersistenceConfiguration.Strategy)1 TerracottaClientConfiguration (net.sf.ehcache.config.TerracottaClientConfiguration)1 TerracottaNotRunningException (net.sf.ehcache.terracotta.TerracottaNotRunningException)1
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