Package org.apache.zookeeper

Examples of org.apache.zookeeper.StatsTrack

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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() > -1 && (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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        ZooKeeperMain.createQuota(zk, path, 5L, 10);

        // see if its set
        String absolutePath = Quotas.quotaZookeeper + path + "/" + Quotas.limitNode;
        byte[] data = zk.getData(absolutePath, false, new Stat());
        StatsTrack st = new StatsTrack(new String(data));
        Assert.assertTrue("bytes are set", st.getBytes() == 5L);
        Assert.assertTrue("num count is set", st.getCount() == 10);

        String statPath = Quotas.quotaZookeeper + path + "/" + Quotas.statNode;
        byte[] qdata = zk.getData(statPath, false, new Stat());
        StatsTrack qst = new StatsTrack(new String(qdata));
        Assert.assertTrue("bytes are set", qst.getBytes() == 8L);
        Assert.assertTrue("count is set", qst.getCount() == 2);

        //force server to restart and load from snapshot, not txn log
        stopServer();
        startServer();
        stopServer();
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                + Quotas.limitNode;
        try {
            err.println("absolute path is " + absolutePath);
            Stat stat = new Stat();
            byte[] data = zk.getData(absolutePath, false, stat);
            StatsTrack st = new StatsTrack(new String(data));
            out.println("Output quota for " + path + " "
                    + st.toString());

            data = zk.getData(Quotas.quotaZookeeper + path + "/"
                    + Quotas.statNode, false, stat);
            out.println("Output stat for " + path + " "
                    + new StatsTrack(new String(data)).toString());
        } catch (KeeperException.NoNodeException ne) {
            err.println("quota for " + path + " does not exist.");
        }
       
        return false;
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            data = zk.getData(quotaPath, false, new Stat());
        } catch (KeeperException.NoNodeException ne) {
            System.err.println("quota does not exist for " + path);
            return true;
        }
        StatsTrack strack = new StatsTrack(new String(data));
        if (bytes && !numNodes) {
            strack.setBytes(-1L);
            zk.setData(quotaPath, strack.toString().getBytes(), -1);
        } else if (!bytes && numNodes) {
            strack.setCount(-1);
            zk.setData(quotaPath, strack.toString().getBytes(), -1);
        } else if (bytes && numNodes) {
            // delete till you can find a node with more than
            // one child
            List<String> children = zk.getChildren(parentPath, false);
            /// delete the direct children first
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                    CreateMode.PERSISTENT);
        }
        ZooKeeperMain.createQuota(zk, "/a", 1000L, 5000);
        String statPath = Quotas.quotaZookeeper + "/a"+ "/" + Quotas.statNode;
        byte[] data = zk.getData(statPath, false, new Stat());
        StatsTrack st = new StatsTrack(new String(data));
        Assert.assertTrue("bytes are set", st.getBytes() == 1204L);
        Assert.assertTrue("num count is set", st.getCount() == 301);
        for (i=300; i < 600; i++) {
            zk.create("/a/" + i, "some".getBytes(), Ids.OPEN_ACL_UNSAFE,
                    CreateMode.PERSISTENT);
        }
        data = zk.getData(statPath, false, new Stat());
        st = new StatsTrack(new String(data));
        Assert.assertTrue("bytes are set", st.getBytes() == 2404L);
        Assert.assertTrue("num count is set", st.getCount() == 601);
    }
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     *            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() > -1 && (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() > -1 && (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.StatsTrack

  • org.apache.zookeeper.cli.DelQuotaCommand
  • org.apache.zookeeper.cli.ListQuotaCommand
  • org.apache.zookeeper.server.DataTree
  • org.apache.zookeeper.test.QuorumQuotaTest
  • org.apache.zookeeper.test.ZooKeeperQuotaTest
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