Example usage for org.apache.cassandra.db.compaction CompactionManagerMBean getCompactions

Introduction

In this page you can find the example usage for org.apache.cassandra.db.compaction CompactionManagerMBean getCompactions.

Prototype

public List<Map<String, String>> getCompactions();

Source Link

Document

List of running compaction objects.

Usage

From source file:c3.ops.priam.resources.CassandraAdmin.java

License:Apache License

@GET
@Path("/compactionstats")
public Response compactionStats() throws IOException, ExecutionException, InterruptedException, JSONException {
    JMXNodeTool nodetool = null;//from   w ww  .  j  a v  a  2  s.c  o m
    try {
        nodetool = JMXNodeTool.instance(config);
    } catch (JMXConnectionException e) {
        return Response.status(503).entity("JMXConnectionException").build();
    }
    JSONObject rootObj = new JSONObject();
    CompactionManagerMBean cm = nodetool.getCompactionManagerProxy();
    rootObj.put("pending tasks", cm.getPendingTasks());
    JSONArray compStats = new JSONArray();
    for (Map<String, String> c : cm.getCompactions()) {
        JSONObject cObj = new JSONObject();
        cObj.put("id", c.get("id"));
        cObj.put("keyspace", c.get("keyspace"));
        cObj.put("columnfamily", c.get("columnfamily"));
        cObj.put("bytesComplete", c.get("bytesComplete"));
        cObj.put("totalBytes", c.get("totalBytes"));
        cObj.put("taskType", c.get("taskType"));
        String percentComplete = new Long(c.get("totalBytes")) == 0 ? "n/a"
                : new DecimalFormat("0.00").format(
                        (double) new Long(c.get("bytesComplete")) / new Long(c.get("totalBytes")) * 100) + "%";
        cObj.put("progress", percentComplete);
        compStats.put(cObj);
    }
    rootObj.put("compaction stats", compStats);
    return Response.ok(rootObj, MediaType.APPLICATION_JSON).build();
}

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From source file:com.netflix.priam.resources.CassandraAdminResource.java

License:Apache License

@GET
@Path("/compactionstats")
public Response compactionStats() throws Exception {
    JMXNodeTool nodetool = getNodeTool();
    Map<String, Object> rootObj = Maps.newLinkedHashMap();
    CompactionManagerMBean cm = nodetool.getCompactionManagerProxy();
    rootObj.put("pending tasks", cm.getCompactions());
    List<Map<String, Object>> compStats = Lists.newArrayList();
    for (Map<String, String> c : cm.getCompactions()) {
        Map<String, Object> cObj = Maps.newLinkedHashMap();
        cObj.put("id", c.get("id"));
        cObj.put("keyspace", c.get("keyspace"));
        cObj.put("columnfamily", c.get("columnfamily"));
        cObj.put("bytesComplete", c.get("bytesComplete"));
        cObj.put("totalBytes", c.get("totalBytes"));
        cObj.put("taskType", c.get("taskType"));
        String percentComplete = new Long(c.get("totalBytes")) == 0 ? "n/a"
                : new DecimalFormat("0.00").format(
                        (double) new Long(c.get("bytesComplete")) / new Long(c.get("totalBytes")) * 100) + "%";
        cObj.put("progress", percentComplete);
        compStats.add(cObj);/* w  w w.j  a  v  a 2s. com*/
    }
    rootObj.put("compaction stats", compStats);
    return Response.ok(rootObj, MediaType.APPLICATION_JSON).build();
}

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From source file:com.perpetumobile.bit.orm.cassandra.CliMain.java

License:Apache License

private void describeKeySpace(String keySpaceName, KsDef metadata) throws TException {
    NodeProbe probe = sessionState.getNodeProbe();

    // getting compaction manager MBean to displaying index building information
    CompactionManagerMBean compactionManagerMBean = (probe == null) ? null : probe.getCompactionManagerProxy();

    // Describe and display
    sessionState.out.println("Keyspace: " + keySpaceName + ":");
    try {//from w ww  . j a v  a  2s  .c o  m
        KsDef ks_def;
        ks_def = metadata == null ? thriftClient.describe_keyspace(keySpaceName) : metadata;
        sessionState.out.println("  Replication Strategy: " + ks_def.strategy_class);

        sessionState.out.println("  Durable Writes: " + ks_def.durable_writes);

        Map<String, String> options = ks_def.strategy_options;
        sessionState.out
                .println("    Options: [" + ((options == null) ? "" : FBUtilities.toString(options)) + "]");

        sessionState.out.println("  Column Families:");

        Collections.sort(ks_def.cf_defs, new CfDefNamesComparator());

        for (CfDef cf_def : ks_def.cf_defs)
            describeColumnFamily(ks_def, cf_def, probe);

        // compaction manager information
        if (compactionManagerMBean != null) {
            for (Map<String, String> info : compactionManagerMBean.getCompactions()) {
                // if ongoing compaction type is index build
                if (info.get("taskType").equals(OperationType.INDEX_BUILD.toString()))
                    continue;
                sessionState.out.printf("%nCurrently building index %s, completed %d of %d bytes.%n",
                        info.get("columnfamily"), info.get("bytesComplete"), info.get("totalBytes"));
            }
        }

        // closing JMX connection
        if (probe != null)
            probe.close();
    } catch (InvalidRequestException e) {
        sessionState.out.println("Invalid request: " + e);
    } catch (NotFoundException e) {
        sessionState.out.println("Keyspace " + keySpaceName + " could not be found.");
    } catch (IOException e) {
        sessionState.out.println("Error while closing JMX connection: " + e.getMessage());
    }
}

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