Examples of org.apache.zookeeper_voltpatches.StatsTrack

Package org.apache.zookeeper_voltpatches

Examples of org.apache.zookeeper_voltpatches.StatsTrack

org.apache.zookeeper_voltpatches.StatsTrack
a class that represents the stats associated with quotas

     *            the diff to be added to the count
     */
    public void updateCount(String lastPrefix, int diff) {
        String statNode = Quotas.statPath(lastPrefix);
        DataNode node = nodes.get(statNode);
        StatsTrack updatedStat = null;
        if (node == null) {
            // should not happen
            LOG.error("Missing count node for stat " + statNode);
            return;
        }
        synchronized (node) {
            updatedStat = new StatsTrack(new String(node.data));
            updatedStat.setCount(updatedStat.getCount() + diff);
            node.data = updatedStat.toString().getBytes();
        }
        // now check if the counts match the quota
        String quotaNode = Quotas.quotaPath(lastPrefix);
        node = nodes.get(quotaNode);
        StatsTrack thisStats = null;
        if (node == null) {
            // should not happen
            LOG.error("Missing count node for quota " + quotaNode);
            return;
        }
        synchronized (node) {
            thisStats = new StatsTrack(new String(node.data));
        }
        if (thisStats.getCount() < updatedStat.getCount()) {
            LOG
                    .warn("Quota exceeded: " + lastPrefix + " count="
                            + updatedStat.getCount() + " limit="
                            + thisStats.getCount());
        }
    }

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            // should never be null but just to make
            // findbugs happy
            LOG.error("Missing stat node for bytes " + statNode);
            return;
        }
        StatsTrack updatedStat = null;
        synchronized (node) {
            updatedStat = new StatsTrack(new String(node.data));
            updatedStat.setBytes(updatedStat.getBytes() + diff);
            node.data = updatedStat.toString().getBytes();
        }
        // now check if the bytes match the quota
        String quotaNode = Quotas.quotaPath(lastPrefix);
        node = nodes.get(quotaNode);
        if (node == null) {
            // should never be null but just to make
            // findbugs happy
            LOG.error("Missing quota node for bytes " + quotaNode);
            return;
        }
        StatsTrack thisStats = null;
        synchronized (node) {
            thisStats = new StatsTrack(new String(node.data));
        }
        if (thisStats.getBytes() < updatedStat.getBytes()) {
            LOG
                    .warn("Quota exceeded: " + lastPrefix + " bytes="
                            + updatedStat.getBytes() + " limit="
                            + thisStats.getBytes());
        }
    }

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     *            the path to be used
     */
    private void updateQuotaForPath(String path) {
        Counts c = new Counts();
        getCounts(path, c);
        StatsTrack strack = new StatsTrack();
        strack.setBytes(c.bytes);
        strack.setCount(c.count);
        String statPath = Quotas.quotaZookeeper + path + "/" + Quotas.statNode;
        DataNode node = getNode(statPath);
        // it should exist
        if (node == null) {
            LOG.warn("Missing quota stat node " + statPath);
            return;
        }
        synchronized (node) {
            node.data = strack.toString().getBytes();
        }
    }

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Related Classes of org.apache.zookeeper_voltpatches.StatsTrack

org.apache.zookeeper_voltpatches.server.DataTree

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