Function Memory

web/pgadmin/dashboard/static/js/SystemStats/Memory.jsx:31–208

({preferences, sid, did, pageVisible, enablePoll=true})

};

export default function Memory({preferences, sid, did, pageVisible, enablePoll=true}) {
  const refreshOn = useRef(null);
  const prevPrefernces = usePrevious(preferences);

  const [memoryUsageInfo, memoryUsageInfoReduce] = useReducer(statsReducer, chartsDefault['m_stats']);
  const [swapMemoryUsageInfo, swapMemoryUsageInfoReduce] = useReducer(statsReducer, chartsDefault['sm_stats']);
  const [processMemoryUsageStats, setProcessMemoryUsageStats] = useState([]);

  const [pollDelay, setPollDelay] = useState(5000);
  const [errorMsg, setErrorMsg] = useState(null);
  const [chartDrawnOnce, setChartDrawnOnce] = useState(false);

  const tableHeader = [
    {
      header: gettext('PID'),
      accessorKey: 'pid',
      enableSorting: true,
      enableResizing: true,
      enableFilters: true,
    },
    {
      header: gettext('Name'),
      accessorKey: 'name',
      enableSorting: true,
      enableResizing: true,
      enableFilters: true,
    },
    {
      header: gettext('Memory usage'),
      accessorKey: 'memory_usage',
      enableSorting: true,
      enableResizing: true,
      enableFilters: true,
      sortingFn: 'alphanumeric',
    },
    {
      header: gettext('Memory bytes'),
      accessorKey: 'memory_bytes',
      enableSorting: true,
      enableResizing: true,
      enableFilters: true,
      sortingFn: 'alphanumeric',
    },
  ];

  useEffect(()=>{
    let calcPollDelay = false;
    if(prevPrefernces) {
      if(prevPrefernces['m_stats_refresh'] != preferences['m_stats_refresh']) {
        memoryUsageInfoReduce({reset: chartsDefault['m_stats']});
        calcPollDelay = true;
      }
      if(prevPrefernces['sm_stats_refresh'] != preferences['sm_stats_refresh']) {
        swapMemoryUsageInfoReduce({reset: chartsDefault['sm_stats']});
        calcPollDelay = true;
      }
      if(prevPrefernces['pmu_stats_refresh'] != preferences['pmu_stats_refresh']) {
        setProcessMemoryUsageStats([]);