public Task MemorySmaps()
{
if (PlatformDetails.RunningOnLinux == false)
{
using (ServerStore.ContextPool.AllocateOperationContext(out JsonOperationContext context))
using (var process = Process.GetCurrentProcess())
{
var sharedClean = MemoryInformation.GetSharedCleanInBytes(process);
var rc = Win32MemoryQueryMethods.GetMaps();
var djv = new DynamicJsonValue
{
["Totals"] = new DynamicJsonValue
{
["WorkingSet"] = process.WorkingSet64,
["SharedClean"] = Sizes.Humane(sharedClean),
["PrivateClean"] = "N/A",
["TotalClean"] = rc.ProcessClean,
["RssHumanly"] = Sizes.Humane(process.WorkingSet64),
["SharedCleanHumanly"] = Sizes.Humane(sharedClean),
["PrivateCleanHumanly"] = "N/A",
["TotalCleanHumanly"] = Sizes.Humane(rc.ProcessClean)
},
["Details"] = rc.Json
};
using (var write = new BlittableJsonTextWriter(context, ResponseBodyStream()))
{
context.Write(write, djv);
}
return(Task.CompletedTask);
}
}
using (ServerStore.ContextPool.AllocateOperationContext(out JsonOperationContext context))
{
var buffers = new[]
{
ArrayPool <byte> .Shared.Rent(SmapsReader.BufferSize),
ArrayPool <byte> .Shared.Rent(SmapsReader.BufferSize)
};
try
{
var result = new SmapsReader(buffers).CalculateMemUsageFromSmaps <SmapsReaderJsonResults>();
var procStatus = MemoryInformation.GetMemoryUsageFromProcStatus();
var djv = new DynamicJsonValue
{
["Totals"] = new DynamicJsonValue
{
["WorkingSet"] = result.Rss,
["SharedClean"] = result.SharedClean,
["PrivateClean"] = result.PrivateClean,
["TotalClean"] = result.SharedClean + result.PrivateClean,
["TotalDirty"] = result.TotalDirty, // This includes not only r-ws buffer and voron files, but also dotnet's and heap dirty memory
["WorkingSetSwap"] = result.Swap, // Swap values sum for r-ws entries only
["Swap"] = procStatus.Swap,
["RssHumanly"] = Sizes.Humane(result.Rss),
["SwapHumanly"] = Sizes.Humane(procStatus.Swap),
["WorkingSetSwapHumanly"] = Sizes.Humane(result.Swap),
["SharedCleanHumanly"] = Sizes.Humane(result.SharedClean),
["PrivateCleanHumanly"] = Sizes.Humane(result.PrivateClean),
["TotalCleanHumanly"] = Sizes.Humane(result.SharedClean + result.PrivateClean)
},
["Details"] = result.SmapsResults.ReturnResults()
};
using (var write = new BlittableJsonTextWriter(context, ResponseBodyStream()))
{
context.Write(write, djv);
}
return(Task.CompletedTask);
}
finally
{
ArrayPool <byte> .Shared.Return(buffers[0]);
ArrayPool <byte> .Shared.Return(buffers[1]);
}
}
}