Java NodeStats.getOs方法代码示例

import org.elasticsearch.action.admin.cluster.node.stats.NodeStats; //导入方法依赖的package包/类
/**
 * Build the stats from information about each node.
 */
private OsStats(List<NodeInfo> nodeInfos, List<NodeStats> nodeStatsList) {
    this.names = new ObjectIntHashMap<>();
    int availableProcessors = 0;
    int allocatedProcessors = 0;
    for (NodeInfo nodeInfo : nodeInfos) {
        availableProcessors += nodeInfo.getOs().getAvailableProcessors();
        allocatedProcessors += nodeInfo.getOs().getAllocatedProcessors();

        if (nodeInfo.getOs().getName() != null) {
            names.addTo(nodeInfo.getOs().getName(), 1);
        }
    }
    this.availableProcessors = availableProcessors;
    this.allocatedProcessors = allocatedProcessors;

    long totalMemory = 0;
    long freeMemory = 0;
    for (NodeStats nodeStats : nodeStatsList) {
        if (nodeStats.getOs() != null) {
            long total = nodeStats.getOs().getMem().getTotal().getBytes();
            if (total > 0) {
                totalMemory += total;
            }
            long free = nodeStats.getOs().getMem().getFree().getBytes();
            if (free > 0) {
                freeMemory += free;
            }
        }
    }
    this.mem = new org.elasticsearch.monitor.os.OsStats.Mem(totalMemory, freeMemory);
}
 

import org.elasticsearch.action.admin.cluster.node.stats.NodeStats; //导入方法依赖的package包/类
public void addNodeInfoStats(NodeInfo nodeInfo, NodeStats nodeStats) {
    availableProcessors += nodeInfo.getOs().getAvailableProcessors();
    allocatedProcessors += nodeInfo.getOs().getAllocatedProcessors();

    if (nodeInfo.getOs().getName() != null) {
        names.addTo(nodeInfo.getOs().getName(), 1);
    }
    if (nodeStats.getOs() != null && nodeStats.getOs().getMem() != null) {
        availableMemory += nodeStats.getOs().getMem().getFree().bytes();
    }
}
 

import org.elasticsearch.action.admin.cluster.node.stats.NodeStats; //导入方法依赖的package包/类
@Override
public void execute() throws Exception {

    // If Elasticsearch is started then only start the monitoring
    if (!ElasticsearchProcessMonitor.isElasticsearchRunning()) {
        String exceptionMsg = "Elasticsearch is not yet started, check back again later";
        logger.info(exceptionMsg);
        return;
    }

    OsStatsBean osStatsBean = new OsStatsBean();
    try {
        NodesStatsResponse nodesStatsResponse = ElasticsearchTransportClient.getNodesStatsResponse(config);
        NodeStats nodeStats = null;

        List<NodeStats> nodeStatsList = nodesStatsResponse.getNodes();

        if (nodeStatsList.size() > 0) {
            nodeStats = nodeStatsList.get(0);
        }

        if (nodeStats == null) {
            logger.info("OS stats is not available (node stats is not available)");
            return;
        }

        OsStats osStats = nodeStats.getOs();
        if (osStats == null) {
            logger.info("OS stats is not available");
            return;
        }

        //Memory
        osStatsBean.freeInBytes = osStats.getMem().getFree().getBytes();
        osStatsBean.usedInBytes = osStats.getMem().getUsed().getBytes();
        osStatsBean.actualFreeInBytes = osStats.getMem().getFree().getBytes();
        osStatsBean.actualUsedInBytes = osStats.getMem().getUsed().getBytes();
        osStatsBean.freePercent = osStats.getMem().getFreePercent();
        osStatsBean.usedPercent = osStats.getMem().getUsedPercent();

        //CPU
        osStatsBean.cpuSys = osStats.getCpu().getPercent();
        osStatsBean.cpuUser = 0;
        osStatsBean.cpuIdle = 0;
        osStatsBean.cpuStolen = 0;

        //Swap
        osStatsBean.swapFreeInBytes = osStats.getSwap().getFree().getBytes();
        osStatsBean.swapUsedInBytes = osStats.getSwap().getUsed().getBytes();

        //Uptime
        osStatsBean.uptimeInMillis = 0;

        //Timestamp
        osStatsBean.osTimestamp = osStats.getTimestamp();
    } catch (Exception e) {
        logger.warn("Failed to load OS stats data", e);
    }

    osStatsReporter.osStatsBean.set(osStatsBean);
}