Examples with DecimalFormat java.text.DecimalFormat used on opensource projects

Example 1 with DecimalFormat

use of java.text.DecimalFormat in project camel by apache.

the class TimeUtils method printDuration.

/**
     * Prints the duration in a human readable format as X days Y hours Z minutes etc.
     *
     * @param uptime the uptime in millis
     * @return the time used for displaying on screen or in logs
     */
public static String printDuration(double uptime) {
    // Code taken from Karaf
    // https://svn.apache.org/repos/asf/karaf/trunk/shell/commands/src/main/java/org/apache/karaf/shell/commands/impl/InfoAction.java
    NumberFormat fmtI = new DecimalFormat("###,###", new DecimalFormatSymbols(Locale.ENGLISH));
    NumberFormat fmtD = new DecimalFormat("###,##0.000", new DecimalFormatSymbols(Locale.ENGLISH));
    uptime /= 1000;
    if (uptime < 60) {
        return fmtD.format(uptime) + " seconds";
    }
    uptime /= 60;
    if (uptime < 60) {
        long minutes = (long) uptime;
        String s = fmtI.format(minutes) + (minutes > 1 ? " minutes" : " minute");
        return s;
    }
    uptime /= 60;
    if (uptime < 24) {
        long hours = (long) uptime;
        long minutes = (long) ((uptime - hours) * 60);
        String s = fmtI.format(hours) + (hours > 1 ? " hours" : " hour");
        if (minutes != 0) {
            s += " " + fmtI.format(minutes) + (minutes > 1 ? " minutes" : " minute");
        }
        return s;
    }
    uptime /= 24;
    long days = (long) uptime;
    long hours = (long) ((uptime - days) * 24);
    String s = fmtI.format(days) + (days > 1 ? " days" : " day");
    if (hours != 0) {
        s += " " + fmtI.format(hours) + (hours > 1 ? " hours" : " hour");
    }
    return s;
}

Example 2 with DecimalFormat

use of java.text.DecimalFormat in project hadoop by apache.

the class ErasureCodeBenchmarkThroughput method benchmark.

private void benchmark(OpType type, int dataSizeMB, int numClients, boolean isEc, boolean statefulRead) throws Exception {
    List<Long> sizes = null;
    StopWatch sw = new StopWatch().start();
    switch(type) {
        case READ:
            sizes = doBenchmark(true, dataSizeMB, numClients, isEc, statefulRead, false);
            break;
        case WRITE:
            sizes = doBenchmark(false, dataSizeMB, numClients, isEc, statefulRead, false);
            break;
        case GEN:
            sizes = doBenchmark(false, dataSizeMB, numClients, isEc, statefulRead, true);
    }
    long elapsedSec = sw.now(TimeUnit.SECONDS);
    double totalDataSizeMB = 0;
    for (Long size : sizes) {
        if (size >= 0) {
            totalDataSizeMB += size.doubleValue() / 1024 / 1024;
        }
    }
    double throughput = totalDataSizeMB / elapsedSec;
    DecimalFormat df = getDecimalFormat();
    System.out.println(type + " " + df.format(totalDataSizeMB) + " MB data takes: " + elapsedSec + " s.\nTotal throughput: " + df.format(throughput) + " MB/s.");
}

Example 3 with DecimalFormat

use of java.text.DecimalFormat in project hadoop by apache.

the class QueueCLI method printQueueInfo.

private void printQueueInfo(PrintWriter writer, QueueInfo queueInfo) {
    writer.print("Queue Name : ");
    writer.println(queueInfo.getQueueName());
    writer.print("\tState : ");
    writer.println(queueInfo.getQueueState());
    DecimalFormat df = new DecimalFormat("#.0");
    writer.print("\tCapacity : ");
    writer.println(df.format(queueInfo.getCapacity() * 100) + "%");
    writer.print("\tCurrent Capacity : ");
    writer.println(df.format(queueInfo.getCurrentCapacity() * 100) + "%");
    writer.print("\tMaximum Capacity : ");
    writer.println(df.format(queueInfo.getMaximumCapacity() * 100) + "%");
    writer.print("\tDefault Node Label expression : ");
    String nodeLabelExpression = queueInfo.getDefaultNodeLabelExpression();
    nodeLabelExpression = (nodeLabelExpression == null || nodeLabelExpression.trim().isEmpty()) ? NodeLabel.DEFAULT_NODE_LABEL_PARTITION : nodeLabelExpression;
    writer.println(nodeLabelExpression);
    Set<String> nodeLabels = queueInfo.getAccessibleNodeLabels();
    StringBuilder labelList = new StringBuilder();
    writer.print("\tAccessible Node Labels : ");
    for (String nodeLabel : nodeLabels) {
        if (labelList.length() > 0) {
            labelList.append(',');
        }
        labelList.append(nodeLabel);
    }
    writer.println(labelList.toString());
    Boolean preemptStatus = queueInfo.getPreemptionDisabled();
    if (preemptStatus != null) {
        writer.print("\tPreemption : ");
        writer.println(preemptStatus ? "disabled" : "enabled");
    }
}

Example 4 with DecimalFormat

use of java.text.DecimalFormat in project hadoop by apache.

the class FSAppAttempt method reservationExceedsThreshold.

private boolean reservationExceedsThreshold(FSSchedulerNode node, NodeType type) {
    // Only if not node-local
    if (type != NodeType.NODE_LOCAL) {
        int existingReservations = getNumReservations(node.getRackName(), type == NodeType.OFF_SWITCH);
        int totalAvailNodes = (type == NodeType.OFF_SWITCH) ? scheduler.getNumClusterNodes() : scheduler.getNumNodesInRack(node.getRackName());
        int numAllowedReservations = (int) Math.ceil(totalAvailNodes * scheduler.getReservableNodesRatio());
        if (existingReservations >= numAllowedReservations) {
            DecimalFormat df = new DecimalFormat();
            df.setMaximumFractionDigits(2);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Reservation Exceeds Allowed number of nodes:" + " app_id=" + getApplicationId() + " existingReservations=" + existingReservations + " totalAvailableNodes=" + totalAvailNodes + " reservableNodesRatio=" + df.format(scheduler.getReservableNodesRatio()) + " numAllowedReservations=" + numAllowedReservations);
            }
            return true;
        }
    }
    return false;
}

Example 5 with DecimalFormat

use of java.text.DecimalFormat in project hbase by apache.

the class AssignmentVerificationReport method print.

public void print(boolean isDetailMode) {
    if (!isFilledUp) {
        System.err.println("[Error] Region assignment verification report" + "hasn't been filled up");
    }
    DecimalFormat df = new java.text.DecimalFormat("#.##");
    // Print some basic information
    System.out.println("Region Assignment Verification for Table: " + tableName + "\n\tTotal regions : " + totalRegions);
    // Print the number of regions on each kinds of the favored nodes
    System.out.println("\tTotal regions on favored nodes " + totalFavoredAssignments);
    for (FavoredNodesPlan.Position p : FavoredNodesPlan.Position.values()) {
        System.out.println("\t\tTotal regions on " + p.toString() + " region servers: " + favoredNodes[p.ordinal()]);
    }
    // Print the number of regions in each kinds of invalid assignment
    System.out.println("\tTotal unassigned regions: " + unAssignedRegionsList.size());
    if (isDetailMode) {
        for (HRegionInfo region : unAssignedRegionsList) {
            System.out.println("\t\t" + region.getRegionNameAsString());
        }
    }
    System.out.println("\tTotal regions NOT on favored nodes: " + nonFavoredAssignedRegionList.size());
    if (isDetailMode) {
        for (HRegionInfo region : nonFavoredAssignedRegionList) {
            System.out.println("\t\t" + region.getRegionNameAsString());
        }
    }
    System.out.println("\tTotal regions without favored nodes: " + regionsWithoutValidFavoredNodes.size());
    if (isDetailMode) {
        for (HRegionInfo region : regionsWithoutValidFavoredNodes) {
            System.out.println("\t\t" + region.getRegionNameAsString());
        }
    }
    // Print the locality information if enabled
    if (this.enforceLocality && totalRegions != 0) {
        // Print the actual locality for this table
        float actualLocality = 100 * this.actualLocalitySummary / (float) totalRegions;
        System.out.println("\n\tThe actual avg locality is " + df.format(actualLocality) + " %");
        // favored nodes
        for (FavoredNodesPlan.Position p : FavoredNodesPlan.Position.values()) {
            float avgLocality = 100 * (favoredNodesLocalitySummary[p.ordinal()] / (float) totalRegions);
            System.out.println("\t\tThe expected avg locality if all regions" + " on the " + p.toString() + " region servers: " + df.format(avgLocality) + " %");
        }
    }
    // Print the region balancing information
    System.out.println("\n\tTotal hosting region servers: " + totalRegionServers);
    // Print the region balance information
    if (totalRegionServers != 0) {
        System.out.println("\tAvg dispersion num: " + df.format(avgDispersionNum) + " hosts;\tMax dispersion num: " + df.format(maxDispersionNum) + " hosts;\tMin dispersion num: " + df.format(minDispersionNum) + " hosts;");
        System.out.println("\t\tThe number of the region servers with the max" + " dispersion num: " + this.maxDispersionNumServerSet.size());
        if (isDetailMode) {
            printHServerAddressSet(maxDispersionNumServerSet);
        }
        System.out.println("\t\tThe number of the region servers with the min" + " dispersion num: " + this.minDispersionNumServerSet.size());
        if (isDetailMode) {
            printHServerAddressSet(maxDispersionNumServerSet);
        }
        System.out.println("\tAvg dispersion score: " + df.format(avgDispersionScore) + ";\tMax dispersion score: " + df.format(maxDispersionScore) + ";\tMin dispersion score: " + df.format(minDispersionScore) + ";");
        System.out.println("\t\tThe number of the region servers with the max" + " dispersion score: " + this.maxDispersionScoreServerSet.size());
        if (isDetailMode) {
            printHServerAddressSet(maxDispersionScoreServerSet);
        }
        System.out.println("\t\tThe number of the region servers with the min" + " dispersion score: " + this.minDispersionScoreServerSet.size());
        if (isDetailMode) {
            printHServerAddressSet(minDispersionScoreServerSet);
        }
        System.out.println("\tAvg regions/region server: " + df.format(avgRegionsOnRS) + ";\tMax regions/region server: " + maxRegionsOnRS + ";\tMin regions/region server: " + minRegionsOnRS + ";");
        // Print the details about the most loaded region servers
        System.out.println("\t\tThe number of the most loaded region servers: " + mostLoadedRSSet.size());
        if (isDetailMode) {
            printHServerAddressSet(mostLoadedRSSet);
        }
        // Print the details about the least loaded region servers
        System.out.println("\t\tThe number of the least loaded region servers: " + leastLoadedRSSet.size());
        if (isDetailMode) {
            printHServerAddressSet(leastLoadedRSSet);
        }
    }
    System.out.println("==============================");
}