Improve logging and errors verbosity (#10768)

Author: abyss7

ydb/core/kqp/compute_actor/kqp_compute_actor_factory.cpp

@@ -59,7 +59,8 @@ struct TMemoryQuotaManager : public NYql::NDq::TGuaranteeQuotaManager {
     }
 
     TString MemoryConsumptionDetails() const override {
-        return Tx->ToString();
+        // NOTE: don't forget to disable verbosity in stable branches.
+        return Tx->ToString(true);
     }
 
     void TerminateHandler(bool success, const NYql::TIssues& issues) {

ydb/core/kqp/executer_actor/kqp_executer_impl.h

@@ -1918,7 +1918,7 @@ class TKqpExecuterBase : public TActorBootstrapped<TDerived> {
             if (Stats->CollectStatsByLongTasks) {
                 const auto& txPlansWithStats = response.GetResult().GetStats().GetTxPlansWithStats();
                 if (!txPlansWithStats.empty()) {
-                    LOG_N("Full stats: " << response.GetResult().GetStats());
+                    LOG_I("Full stats: " << response.GetResult().GetStats());
                 }
             }
         }

ydb/core/kqp/rm_service/kqp_rm_service.h

@@ -150,7 +150,7 @@ class TTxState : public TAtomicRefCount<TTxState> {
         return std::make_pair(Database, PoolId);
     }
 
-    TString ToString() const {
+    TString ToString(bool verbose = false) const {
         auto res = TStringBuilder() << "TxResourcesInfo { "
             << "TxId: " << TxId
             << ", Database: " << Database;
@@ -168,10 +168,10 @@ class TTxState : public TAtomicRefCount<TTxState> {
             << ", started at: " << CreatedAt
             << " }" << Endl;
 
-        if (TxMaxAllocationBacktrace.load()) {
+        if (verbose && TxMaxAllocationBacktrace.load()) {
             res << "TxMaxAllocationBacktrace:" << Endl << TxMaxAllocationBacktrace.load()->PrintToString();
         }
-        if (TxFailedAllocationBacktrace.load()) {
+        if (verbose && TxFailedAllocationBacktrace.load()) {
             res << "TxFailedAllocationBacktrace:" << Endl << TxFailedAllocationBacktrace.load()->PrintToString();
         }