Examples of ParsedPigScript

Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
       
        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        for (String alias : parsedPigScript.aliases()) {
            monitorClasses.put(alias, new ClassWithArgs(DSMonitorAgent.class));
        }
        parsedPigScript.trace(DSCoordinator.class, monitorClasses);
       
    }
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Examples of org.apache.pig.penny.ParsedPigScript

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        System.out.println("***** CRASH INVESTIGATOR STARTING ...");
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);

        Map<String, Integer> lowerBounds = new HashMap<String, Integer>();            // lower bound on tuple num for each logical location
        Map<PhysicalLocation, Tuple> latestTuples = null;
        for (int skipSize = 100; skipSize > 0; skipSize /= 10) {
            System.out.println("***** TRYING SCRIPT ...");
           
            Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
            for (String alias : parsedPigScript.aliases()) {
                int lowerBound = (lowerBounds.containsKey(alias))? lowerBounds.get(alias) : 0;
                monitorClasses.put(alias, new ClassWithArgs(CIMonitorAgent.class, lowerBound, skipSize));
            }
            latestTuples = (Map<PhysicalLocation, Tuple>) parsedPigScript.trace(CICoordinator.class, monitorClasses);
           
            // update lower bounds
            lowerBounds.clear();
            for (Entry<PhysicalLocation, Tuple> entry : latestTuples.entrySet()) {
                String alias = entry.getKey().logId();
                int tupleNum = (Integer) entry.getValue().get(0);
                if (lowerBounds.containsKey(alias)) lowerBounds.put(alias, Math.min(lowerBounds.get(alias), tupleNum));
                else lowerBounds.put(alias, tupleNum);
            }
        }
       
        Map<String, Set<Tuple>> crashCulprits = new HashMap<String, Set<Tuple>>();
        for (Entry<PhysicalLocation, Tuple> entry : latestTuples.entrySet()) {
            String alias = entry.getKey().logId();
            Tuple t = (Tuple) entry.getValue().get(1);
            if (!crashCulprits.containsKey(alias)) crashCulprits.put(alias, new HashSet<Tuple>());
            crashCulprits.get(alias).add(t);
        }
       
        System.out.println("\n\n***** CRASH SUSPECTS:");
        for (String alias : parsedPigScript.aliases()) {
            if (crashCulprits.containsKey(alias)) {
                System.out.println("\nAlias " + alias + ":");
                for (Tuple t : crashCulprits.get(alias)) {
                    System.out.println("\t" + t);
                }
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Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
       
        String triggerAlias = args[1];                            // script alias at which to trigger forward tracing
        int triggerField = Integer.parseInt(args[2]);            // field number to use for triggering forward tracing
        String triggerValue = args[3];                            // data value to use for triggering forward tracing (for now, use a String -- in general should be any Object)
       
        if (!parsedPigScript.aliases().contains(triggerAlias)) throw new IllegalArgumentException("Invalid trigger alias.");

        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        for (String alias : parsedPigScript.aliases()) {
            if (alias.equals(triggerAlias)) {
                monitorClasses.put(alias, new ClassWithArgs(FTMonitorAgent.class, triggerField, triggerValue));
            } else {
                monitorClasses.put(alias, new ClassWithArgs(FTMonitorAgent.class));
            }
        }
        parsedPigScript.trace(FTCoordinator.class, monitorClasses);
       
    }
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Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
       
        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        for (String alias : parsedPigScript.aliases()) {
            if (parsedPigScript.operator(alias).equals("LOLoad")) {
                monitorClasses.put(alias, new ClassWithArgs(TRMonitorAgent.class));
                break;            // only put MA at (first) load
            }
        }
        parsedPigScript.trace(TRCoordinator.class, monitorClasses);
       
    }
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Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
   
        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        for (String alias : parsedPigScript.aliases()) {
            monitorClasses.put(alias, new ClassWithArgs(LPMonitorAgent.class, parsedPigScript.operator(alias).equals("LOLoad")));
        }
        parsedPigScript.trace(LPCoordinator.class, monitorClasses);
       
    }
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Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
       
        String alias = args[1];                                // which alias to check
        int minCard = Integer.parseInt(args[2]);            // minimum cardinality accepted
       
        if (!parsedPigScript.aliases().contains(alias)) throw new IllegalArgumentException("Invalid alias.");

        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        monitorClasses.put(alias, new ClassWithArgs(TIMonitorAgent.class));
        parsedPigScript.trace(new ClassWithArgs(TICoordinator.class, minCard), monitorClasses);
    }
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Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
       
        if (!parsedPigScript.isChain()) throw new RuntimeException("Overhead profiling currently only supports linear chain scripts (no joins, splits, etc.).");

        System.out.println("***** OVERHEAD PROFILER STARTING ...");
       
        Map<Integer, Long> runningTimes = new HashMap<Integer, Long>();                // running time of a script prefix ending at line N

        List<String> runs = new ArrayList<String>();
        String loadAlias = getLoadAlias(parsedPigScript);
        for (String alias = loadAlias; alias != null; alias = parsedPigScript.outEdge(alias)) {
            runs.add(alias);
        }
        runs.add(null);        // whole thing
       
        for (int prefix = 0; prefix < runs.size(); prefix++) {
            System.out.println("*** LAUNCHING PROFILE RUN " + (prefix+1) + " of " + runs.size() + " ...");
       
            Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
            if (runs.get(prefix) != null) monitorClasses.put(runs.get(prefix), new ClassWithArgs(OPMonitorAgent.class));
           
            long totalRunningTime = 0;
            for (int i = 0; i < NUM_TRIALS; i++) {
                System.out.println("* TRIAL " + (i+1) + " of " + NUM_TRIALS + " ...");
               
                long startTime = System.currentTimeMillis();
                parsedPigScript.truncateAndTrace(OPCoordinator.class, monitorClasses, runs.get(prefix));
                totalRunningTime += System.currentTimeMillis() - startTime;
            }
            long avgRunningTime = totalRunningTime/NUM_TRIALS;
            runningTimes.put(prefix, avgRunningTime);
        }
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Examples of org.apache.pig.penny.ParsedPigScript

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        } else {
            System.out.println("Adding instrumentation");
        }
        PennyServer igServer= new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = igServer.parse(pigScriptFilename);

        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        if (!skipInstrumentation) {
            for (String alias: parsedPigScript.aliases()) {
                monitorClasses.put(alias, new ClassWithArgs(NOPMonitorAgent.class));
            }
        }
        parsedPigScript.trace(NOPCoordinator.class, monitorClasses);
    }
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Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
       
        String alias = args[1];                                // which alias to create histogram for
        int fieldNo = Integer.parseInt(args[2]);            // which field to create histogram for
        int min = Integer.parseInt(args[3]);                // min field value
        int max = Integer.parseInt(args[4]);                // max field value
        int bucketSize = Integer.parseInt(args[5]);            // histogram bucket size
       
        if (!parsedPigScript.aliases().contains(alias)) throw new IllegalArgumentException("No such alias.");
       
        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        monitorClasses.put(alias, new ClassWithArgs(DHMonitorAgent.class, fieldNo, min, max, bucketSize));
        TreeMap<Integer, Integer> histogram = (TreeMap<Integer, Integer>) parsedPigScript.trace(DHCoordinator.class, monitorClasses);
        System.out.println("Histogram: " + histogram);
    }
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Examples of org.apache.pig.penny.ParsedPigScript

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    public static void main(String[] args) throws Exception {
       
        PennyServer pennyServer = new PennyServer();
        String pigScriptFilename = args[0];
        ParsedPigScript parsedPigScript = pennyServer.parse(pigScriptFilename);
       
        String alias = args[1];                                // which alias to check
        int fieldNo = Integer.parseInt(args[2]);            // which field to check for nulls
       
        if (!parsedPigScript.aliases().contains(alias)) throw new IllegalArgumentException("Invalid alias.");

        Map<String, ClassWithArgs> monitorClasses = new HashMap<String, ClassWithArgs>();
        monitorClasses.put(alias, new ClassWithArgs(RIMonitorAgent.class, fieldNo));
        parsedPigScript.trace(RICoordinator.class, monitorClasses);
    }
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