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30 changes: 16 additions & 14 deletions ydb/core/viewer/json_hotkeys.h
Original file line number Diff line number Diff line change
Expand Up @@ -85,23 +85,25 @@ class TJsonHotkeys : public TViewerPipeClient<TJsonHotkeys> {
const auto& pathDescription = pbRecord.GetPathDescription();
const auto& partitions = pathDescription.GetTablePartitions();
const auto& metrics = pathDescription.GetTablePartitionMetrics();
TVector<std::pair<ui64, int>> tabletsOrder;
if (!metrics.empty()) {
TVector<std::pair<ui64, int>> tabletsOrder;

for (int i = 0; i < metrics.size(); ++i) {
tabletsOrder.emplace_back(metrics.Get(i).GetCPU(), i);
}

Sort(tabletsOrder, std::greater<std::pair<ui64, int>>());
ui32 tablets = (ui32) std::max(1, (int) std::ceil(PollingFactor * tabletsOrder.size()));
for (int i = 0; i < metrics.size(); ++i) {
tabletsOrder.emplace_back(metrics.Get(i).GetCPU(), i);
}

for (ui32 i = 0; i < tablets; ++i) {
THolder<TEvDataShard::TEvGetDataHistogramRequest> request = MakeHolder<TEvDataShard::TEvGetDataHistogramRequest>();
if (EnableSampling) {
request->Record.SetCollectKeySampleMs(30000); // 30 sec
Sort(tabletsOrder, std::greater<std::pair<ui64, int>>());
ui32 tablets = (ui32) std::max(1, (int) std::ceil(PollingFactor * tabletsOrder.size()));

for (ui32 i = 0; i < tablets; ++i) {
THolder<TEvDataShard::TEvGetDataHistogramRequest> request = MakeHolder<TEvDataShard::TEvGetDataHistogramRequest>();
if (EnableSampling) {
request->Record.SetCollectKeySampleMs(30000); // 30 sec
}
request->Record.SetActualData(true);
ui64 datashardId = partitions.Get(tabletsOrder[i].second).GetDatashardId();
SendRequestToPipe(ConnectTabletPipe(datashardId), request.Release());
}
request->Record.SetActualData(true);
ui64 datashardId = partitions.Get(tabletsOrder[i].second).GetDatashardId();
SendRequestToPipe(ConnectTabletPipe(datashardId), request.Release());
}
}

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