diff --git a/dbms/src/Client/Connection.cpp b/dbms/src/Client/Connection.cpp
index 3c8912e4d3d..cbd588a25d1 100644
--- a/dbms/src/Client/Connection.cpp
+++ b/dbms/src/Client/Connection.cpp
@@ -111,6 +111,7 @@ void Connection::disconnect()
     //LOG_TRACE(log_wrapper.get(), "Disconnecting");
 
     in = nullptr;
+    last_input_packet_type.reset();
     out = nullptr; // can write to socket
     if (socket)
         socket->close();
@@ -484,7 +485,26 @@ bool Connection::poll(size_t timeout_microseconds)
 
 bool Connection::hasReadBufferPendingData() const
 {
-    return static_cast<const ReadBufferFromPocoSocket &>(*in).hasPendingData();
+    return last_input_packet_type.has_value() || static_cast<const ReadBufferFromPocoSocket &>(*in).hasPendingData();
+}
+
+
+std::optional<UInt64> Connection::checkPacket(size_t timeout_microseconds)
+{
+    if (last_input_packet_type.has_value())
+        return last_input_packet_type;
+
+    if (hasReadBufferPendingData() || poll(timeout_microseconds))
+    {
+        // LOG_TRACE(log_wrapper.get(), "Receiving packet type");
+        UInt64 packet_type;
+        readVarUInt(packet_type, *in);
+
+        last_input_packet_type.emplace(packet_type);
+        return last_input_packet_type;
+    }
+
+    return {};
 }
 
 
@@ -493,7 +513,17 @@ Connection::Packet Connection::receivePacket()
     try
     {
         Packet res;
-        readVarUInt(res.type, *in);
+
+        if (last_input_packet_type)
+        {
+            res.type = *last_input_packet_type;
+            last_input_packet_type.reset();
+        }
+        else
+        {
+            LOG_TRACE(log_wrapper.get(), "Receiving packet type");
+            readVarUInt(res.type, *in);
+        }
 
         // LOG_TRACE(log_wrapper.get(), "Receiving packet " << res.type << " " << Protocol::Server::toString(res.type));
 
diff --git a/dbms/src/Client/Connection.h b/dbms/src/Client/Connection.h
index 6a8d0f71781..a7cadecee8d 100644
--- a/dbms/src/Client/Connection.h
+++ b/dbms/src/Client/Connection.h
@@ -23,6 +23,7 @@
 #include <Interpreters/TablesStatus.h>
 
 #include <atomic>
+#include <optional>
 
 
 namespace DB
@@ -140,6 +141,9 @@ public:
     /// Check, if has data in read buffer.
     bool hasReadBufferPendingData() const;
 
+    /// Checks if there is input data in connection and reads packet ID.
+    std::optional<UInt64> checkPacket(size_t timeout_microseconds = 0);
+
     /// Receive packet from server.
     Packet receivePacket();
 
@@ -194,6 +198,7 @@ private:
     std::unique_ptr<Poco::Net::StreamSocket> socket;
     std::shared_ptr<ReadBuffer> in;
     std::shared_ptr<WriteBuffer> out;
+    std::optional<UInt64> last_input_packet_type;
 
     String query_id;
     Protocol::Compression compression;        /// Enable data compression for communication.
diff --git a/dbms/src/Client/MultiplexedConnections.cpp b/dbms/src/Client/MultiplexedConnections.cpp
index 8fe27ecf7fa..6c534ff53f4 100644
--- a/dbms/src/Client/MultiplexedConnections.cpp
+++ b/dbms/src/Client/MultiplexedConnections.cpp
@@ -247,6 +247,7 @@ Connection::Packet MultiplexedConnections::receivePacketUnlocked()
         case Protocol::Server::ProfileInfo:
         case Protocol::Server::Totals:
         case Protocol::Server::Extremes:
+        case Protocol::Server::Log:
             break;
 
         case Protocol::Server::EndOfStream:
diff --git a/dbms/src/DataStreams/RemoteBlockInputStream.cpp b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
index 7b851ec8469..7baff3de4b4 100644
--- a/dbms/src/DataStreams/RemoteBlockInputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockInputStream.cpp
@@ -232,6 +232,9 @@ Block RemoteBlockInputStream::readImpl()
                 extremes = packet.block;
                 break;
 
+            case Protocol::Server::Log:
+                break;
+
             default:
                 got_unknown_packet_from_replica = true;
                 throw Exception("Unknown packet from server", ErrorCodes::UNKNOWN_PACKET_FROM_SERVER);
diff --git a/dbms/src/DataStreams/RemoteBlockOutputStream.cpp b/dbms/src/DataStreams/RemoteBlockOutputStream.cpp
index 51fb62ef5a1..9bc0fa3b101 100644
--- a/dbms/src/DataStreams/RemoteBlockOutputStream.cpp
+++ b/dbms/src/DataStreams/RemoteBlockOutputStream.cpp
@@ -24,23 +24,31 @@ RemoteBlockOutputStream::RemoteBlockOutputStream(Connection & connection_, const
       */
     connection.sendQuery(query, "", QueryProcessingStage::Complete, settings, nullptr);
 
-    Connection::Packet packet = connection.receivePacket();
-
-    if (Protocol::Server::Data == packet.type)
+    while (true)
     {
-        header = packet.block;
+        Connection::Packet packet = connection.receivePacket();
 
-        if (!header)
-            throw Exception("Logical error: empty block received as table structure", ErrorCodes::LOGICAL_ERROR);
+        if (Protocol::Server::Data == packet.type)
+        {
+            header = packet.block;
+
+            if (!header)
+                throw Exception("Logical error: empty block received as table structure", ErrorCodes::LOGICAL_ERROR);
+            break;
+        }
+        else if (Protocol::Server::Exception == packet.type)
+        {
+            packet.exception->rethrow();
+            break;
+        }
+        else if (Protocol::Server::Log == packet.type)
+        {
+            /// Do nothing
+        }
+        else
+            throw NetException("Unexpected packet from server (expected Data or Exception, got "
+                + String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
     }
-    else if (Protocol::Server::Exception == packet.type)
-    {
-        packet.exception->rethrow();
-        return;
-    }
-    else
-        throw NetException("Unexpected packet from server (expected Data or Exception, got "
-            + String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
 }
 
 
@@ -83,18 +91,23 @@ void RemoteBlockOutputStream::writeSuffix()
     /// Empty block means end of data.
     connection.sendData(Block());
 
-    /// Receive EndOfStream packet.
-    Connection::Packet packet = connection.receivePacket();
-
-    if (Protocol::Server::EndOfStream == packet.type)
+    /// Wait for EndOfStream or Exception packet, skip Log packets.
+    while (true)
     {
-        /// Do nothing.
+        Connection::Packet packet = connection.receivePacket();
+
+        if (Protocol::Server::EndOfStream == packet.type)
+            break;
+        else if (Protocol::Server::Exception == packet.type)
+            packet.exception->rethrow();
+        else if (Protocol::Server::Log == packet.type)
+        {
+            // Do nothing
+        }
+        else
+            throw NetException("Unexpected packet from server (expected EndOfStream or Exception, got "
+            + String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
     }
-    else if (Protocol::Server::Exception == packet.type)
-        packet.exception->rethrow();
-    else
-        throw NetException("Unexpected packet from server (expected EndOfStream or Exception, got "
-        + String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
 
     finished = true;
 }
diff --git a/dbms/src/Interpreters/Aggregator.cpp b/dbms/src/Interpreters/Aggregator.cpp
index 65bb2b3a380..0886fc17455 100644
--- a/dbms/src/Interpreters/Aggregator.cpp
+++ b/dbms/src/Interpreters/Aggregator.cpp
@@ -1726,12 +1726,12 @@ private:
 
     void thread(Int32 bucket_num, ThreadStatusPtr main_thread)
     {
-        setThreadName("MergingAggregtd");
-        CurrentThread::attachQueryFromSiblingThread(main_thread);
-        CurrentMetrics::Increment metric_increment{CurrentMetrics::QueryThread};
-
         try
         {
+            setThreadName("MergingAggregtd");
+            CurrentThread::attachQueryFromSiblingThreadIfDetached(main_thread);
+            CurrentMetrics::Increment metric_increment{CurrentMetrics::QueryThread};
+
             /// TODO: add no_more_keys support maybe
 
             auto & merged_data = *data[0];
diff --git a/dbms/src/Interpreters/Settings.h b/dbms/src/Interpreters/Settings.h
index f2057b628c1..1fc010c80ad 100644
--- a/dbms/src/Interpreters/Settings.h
+++ b/dbms/src/Interpreters/Settings.h
@@ -259,7 +259,7 @@ struct Settings
     M(SettingBool, log_profile_events, true, "Log query settings into the query_log and query_thread_log.") \
     M(SettingBool, log_query_settings, true, "Log query performance statistics into the query_log.") \
     M(SettingBool, log_query_threads, true, "Log query threads into system.query_log table.") \
-    M(SettingString, server_logs_level, "", "Send internal server logs to client.")
+    M(SettingString, server_logs_level, "none", "Send internal server logs to client.")
 
 #define DECLARE(TYPE, NAME, DEFAULT, DESCRIPTION) \
     TYPE NAME {DEFAULT};
diff --git a/dbms/src/Server/Client.cpp b/dbms/src/Server/Client.cpp
index 8e0a140eb4d..b013d195209 100644
--- a/dbms/src/Server/Client.cpp
+++ b/dbms/src/Server/Client.cpp
@@ -875,7 +875,7 @@ private:
             /// If structure was received (thus, server has not thrown an exception),
             /// send our data with that structure.
             sendData(sample);
-            receivePacket();
+            receiveEndOfQuery();
         }
     }
 
@@ -959,6 +959,11 @@ private:
 
             if (!block)
                 break;
+
+            /// Check if server send Log packet
+            auto packet_type = connection->checkPacket();
+            if (packet_type && *packet_type == Protocol::Server::Log)
+                connection->receivePacket();
         }
 
         async_block_input->readSuffix();
@@ -1022,7 +1027,7 @@ private:
                     continue;    /// If there is no new data, continue checking whether the query was cancelled after a timeout.
             }
 
-            if (!receivePacket())
+            if (!receiveAndProcessPacket())
                 break;
         }
 
@@ -1033,7 +1038,7 @@ private:
 
     /// Receive a part of the result, or progress info or an exception and process it.
     /// Returns true if one should continue receiving packets.
-    bool receivePacket()
+    bool receiveAndProcessPacket()
     {
         Connection::Packet packet = connection->receivePacket();
 
@@ -1081,22 +1086,59 @@ private:
     /// Receive the block that serves as an example of the structure of table where data will be inserted.
     bool receiveSampleBlock(Block & out)
     {
-        Connection::Packet packet = connection->receivePacket();
-
-        switch (packet.type)
+        while (true)
         {
-            case Protocol::Server::Data:
-                out = packet.block;
-                return true;
+            Connection::Packet packet = connection->receivePacket();
 
-            case Protocol::Server::Exception:
-                onException(*packet.exception);
-                last_exception = std::move(packet.exception);
-                return false;
+            switch (packet.type)
+            {
+                case Protocol::Server::Data:
+                    out = packet.block;
+                    return true;
 
-            default:
-                throw NetException("Unexpected packet from server (expected Data, got "
-                    + String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
+                case Protocol::Server::Exception:
+                    onException(*packet.exception);
+                    last_exception = std::move(packet.exception);
+                    return false;
+
+                case Protocol::Server::Log:
+                    onLogData(packet.block);
+                    break;
+
+                default:
+                    throw NetException("Unexpected packet from server (expected Data, Exception or Log, got "
+                        + String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
+            }
+        }
+    }
+
+
+    /// Process Log packets, exit when recieve Exception or EndOfStream
+    bool receiveEndOfQuery()
+    {
+        while (true)
+        {
+            Connection::Packet packet = connection->receivePacket();
+
+            switch (packet.type)
+            {
+                case Protocol::Server::EndOfStream:
+                    onEndOfStream();
+                    return true;
+
+                case Protocol::Server::Exception:
+                    onException(*packet.exception);
+                    last_exception = std::move(packet.exception);
+                    return false;
+
+                case Protocol::Server::Log:
+                    onLogData(packet.block);
+                    break;
+
+                default:
+                    throw NetException("Unexpected packet from server (expected Exception, EndOfStream or Log, got "
+                        + String(Protocol::Server::toString(packet.type)) + ")", ErrorCodes::UNEXPECTED_PACKET_FROM_SERVER);
+            }
         }
     }
 
diff --git a/dbms/src/Server/TCPHandler.cpp b/dbms/src/Server/TCPHandler.cpp
index df320adc79c..b37e38c696a 100644
--- a/dbms/src/Server/TCPHandler.cpp
+++ b/dbms/src/Server/TCPHandler.cpp
@@ -156,7 +156,7 @@ void TCPHandler::runImpl()
 
             /// Should we send internal logs to client?
             if (client_revision >= DBMS_MIN_REVISION_WITH_SERVER_LOGS
-                && !query_context.getSettingsRef().server_logs_level.value.empty())
+                && query_context.getSettingsRef().server_logs_level.value != "none")
             {
                 state.logs_queue = std::make_shared<SystemLogsQueue>();
                 state.logs_queue->max_priority = Poco::Logger::parseLevel(query_context.getSettingsRef().server_logs_level.value);
@@ -885,10 +885,6 @@ void TCPHandler::sendLogs()
     {
         Block block = SystemLogsQueue::getSampleBlock();
         block.setColumns(std::move(logs_columns));
-        block.checkNumberOfRows();
-
-        std::cerr << "sendLogs: " << block.rows() << " " << block.columns() << "\n";
-
         sendLogData(block);
     }
 }
diff --git a/dbms/tests/clickhouse-test b/dbms/tests/clickhouse-test
index 37e1b53c117..3ab93acda99 100755
--- a/dbms/tests/clickhouse-test
+++ b/dbms/tests/clickhouse-test
@@ -73,7 +73,7 @@ def main(args):
     base_dir = os.path.abspath(args.queries)
     tmp_dir = os.path.abspath(args.tmp)
 
-    # Keep same default values as in queries/0_stateless/00000_sh_lib.sh
+    # Keep same default values as in queries/shell_config.sh
     os.environ.setdefault("CLICKHOUSE_BINARY", args.binary)
     os.environ.setdefault("CLICKHOUSE_CLIENT", args.client)
     os.environ.setdefault("CLICKHOUSE_CONFIG", args.configserver)
@@ -364,5 +364,7 @@ if __name__ == '__main__':
             args.client += ' --host=' + os.getenv("CLICKHOUSE_HOST")
         if os.getenv("CLICKHOUSE_PORT_TCP"):
             args.client += ' --port=' + os.getenv("CLICKHOUSE_PORT_TCP")
+        # Will print all warnings and errors
+        args.client += ' --server_logs_level=warning' 
 
     main(args)
diff --git a/dbms/tests/queries/0_stateless/00155_long_merges.sh b/dbms/tests/queries/0_stateless/00155_long_merges.sh
index d711a18a4b9..a5a636a678a 100755
--- a/dbms/tests/queries/0_stateless/00155_long_merges.sh
+++ b/dbms/tests/queries/0_stateless/00155_long_merges.sh
@@ -49,7 +49,7 @@ function test {
     $CLICKHOUSE_CLIENT --query="SELECT count() = $MAX, sum(s) = $SUM FROM test.summing"
     echo
     $CLICKHOUSE_CLIENT --query="SELECT count() = $SUM, sum(s) = $SUM FROM test.collapsing"
-    $CLICKHOUSE_CLIENT --query="OPTIMIZE TABLE test.collapsing"
+    $CLICKHOUSE_CLIENT --query="OPTIMIZE TABLE test.collapsing" --server_logs_file='/dev/null';
     $CLICKHOUSE_CLIENT --query="SELECT count() = $MAX, sum(s) = $MAX FROM test.collapsing"
     echo
     $CLICKHOUSE_CLIENT --query="SELECT count() = $SUM, sumMerge(s) = $SUM FROM test.aggregating"
diff --git a/dbms/tests/queries/0_stateless/00158_buffer_and_nonexistent_table.sql b/dbms/tests/queries/0_stateless/00158_buffer_and_nonexistent_table.sql
index 4d3265d7903..e4be7b464d2 100644
--- a/dbms/tests/queries/0_stateless/00158_buffer_and_nonexistent_table.sql
+++ b/dbms/tests/queries/0_stateless/00158_buffer_and_nonexistent_table.sql
@@ -1,6 +1,7 @@
 CREATE DATABASE IF NOT EXISTS test2;
 DROP TABLE IF EXISTS test2.mt_buffer;
 CREATE TABLE test2.mt_buffer (d Date DEFAULT today(), x UInt64) ENGINE = Buffer(test2, mt, 16, 100, 100, 1000000, 1000000, 1000000000, 1000000000);
+SET server_logs_level='none'; -- Supress "Destination table test2.mt doesn't exist. Block of data is discarded."
 INSERT INTO test2.mt_buffer (x) SELECT number AS x FROM system.numbers LIMIT 100000;
 INSERT INTO test2.mt_buffer (x) SELECT number AS x FROM system.numbers LIMIT 1000000;
 DROP DATABASE test2;
diff --git a/dbms/tests/queries/0_stateless/00183_skip_unavailable_shards.sql b/dbms/tests/queries/0_stateless/00183_skip_unavailable_shards.sql
index 36768985c0f..a2f8537c0a4 100644
--- a/dbms/tests/queries/0_stateless/00183_skip_unavailable_shards.sql
+++ b/dbms/tests/queries/0_stateless/00183_skip_unavailable_shards.sql
@@ -1 +1,2 @@
+SET server_logs_level='none';
 SELECT count() FROM remote('{127,1}.0.0.{2,3}', system.one) SETTINGS skip_unavailable_shards = 1;
diff --git a/dbms/tests/queries/0_stateless/00336_shard_stack_trace.sh b/dbms/tests/queries/0_stateless/00336_shard_stack_trace.sh
index 941cd5bbe15..f2a2556d328 100755
--- a/dbms/tests/queries/0_stateless/00336_shard_stack_trace.sh
+++ b/dbms/tests/queries/0_stateless/00336_shard_stack_trace.sh
@@ -8,6 +8,6 @@ ${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}?stacktrace=0" -d 'SELECT a' | wc -l
 [[ $(${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}?stacktrace=1" -d 'SELECT a' | wc -l) -gt 3 ]] && echo 'Ok' || echo 'Fail'
 ${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}" -d "SELECT intDiv(number, 0) FROM remote('127.0.0.{2,3}', system.numbers)" | wc -l
 
-$CLICKHOUSE_CLIENT --query="SELECT a" 2>&1 | wc -l
-[[ $($CLICKHOUSE_CLIENT --query="SELECT a" --stacktrace 2>&1 | wc -l) -gt 3 ]] && echo 'Ok' || echo 'Fail'
-$CLICKHOUSE_CLIENT --query="SELECT intDiv(number, 0) FROM remote('127.0.0.{2,3}', system.numbers)" 2>&1 | wc -l
+$CLICKHOUSE_CLIENT --query="SELECT a" --server_logs_file=/dev/null 2>&1 | wc -l
+[[ $($CLICKHOUSE_CLIENT --query="SELECT a" --server_logs_file=/dev/null --stacktrace 2>&1 | wc -l) -gt 3 ]] && echo 'Ok' || echo 'Fail'
+$CLICKHOUSE_CLIENT --query="SELECT intDiv(number, 0) FROM remote('127.0.0.{2,3}', system.numbers)" --server_logs_file=/dev/null 2>&1 | wc -l
diff --git a/dbms/tests/queries/0_stateless/00443_optimize_final_vertical_merge.sh b/dbms/tests/queries/0_stateless/00443_optimize_final_vertical_merge.sh
index 3b171439b5f..43392107b31 100755
--- a/dbms/tests/queries/0_stateless/00443_optimize_final_vertical_merge.sh
+++ b/dbms/tests/queries/0_stateless/00443_optimize_final_vertical_merge.sh
@@ -75,7 +75,7 @@ while [[ `get_num_parts` -ne 1 ]] ; do $CLICKHOUSE_CLIENT -q "OPTIMIZE TABLE $na
 $CLICKHOUSE_CLIENT -q "ALTER TABLE $name ADD COLUMN n.a Array(String)"
 $CLICKHOUSE_CLIENT -q "ALTER TABLE $name ADD COLUMN da Array(String) DEFAULT ['def']"
 
-$CLICKHOUSE_CLIENT -q "OPTIMIZE TABLE $name PARTITION 197001 FINAL"
+$CLICKHOUSE_CLIENT -q "OPTIMIZE TABLE $name PARTITION 197001 FINAL" --server_logs_file=/dev/null
 
 $CLICKHOUSE_CLIENT -q "ALTER TABLE $name MODIFY COLUMN n.a Array(String) DEFAULT ['zzz']"
 $CLICKHOUSE_CLIENT -q "ALTER TABLE $name MODIFY COLUMN da Array(String) DEFAULT ['zzz']"
diff --git a/dbms/tests/queries/0_stateless/00474_readonly_settings.sh b/dbms/tests/queries/0_stateless/00474_readonly_settings.sh
index 59f83f43b40..558df9f17b2 100755
--- a/dbms/tests/queries/0_stateless/00474_readonly_settings.sh
+++ b/dbms/tests/queries/0_stateless/00474_readonly_settings.sh
@@ -6,8 +6,8 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 $CLICKHOUSE_CLIENT --query="select toUInt64(pow(2, 62)) as value format JSON" --output_format_json_quote_64bit_integers=0 | grep value
 $CLICKHOUSE_CLIENT --query="select toUInt64(pow(2, 62)) as value format JSON" --output_format_json_quote_64bit_integers=1 | grep value
 
-$CLICKHOUSE_CLIENT --readonly=1 --multiquery --query="set output_format_json_quote_64bit_integers=1 ; select toUInt64(pow(2, 63)) as value format JSON" 2>&1 | grep -o 'value\|Cannot execute SET query in readonly mode.'
-$CLICKHOUSE_CLIENT --readonly=1 --multiquery --query="set output_format_json_quote_64bit_integers=0 ; select toUInt64(pow(2, 63)) as value format JSON" 2>&1 | grep -o 'value\|Cannot execute SET query in readonly mode.'
+$CLICKHOUSE_CLIENT --readonly=1 --multiquery --query="set output_format_json_quote_64bit_integers=1 ; select toUInt64(pow(2, 63)) as value format JSON" --server_logs_file=/dev/null 2>&1 | grep -o 'value\|Cannot execute SET query in readonly mode.'
+$CLICKHOUSE_CLIENT --readonly=1 --multiquery --query="set output_format_json_quote_64bit_integers=0 ; select toUInt64(pow(2, 63)) as value format JSON" --server_logs_file=/dev/null 2>&1 | grep -o 'value\|Cannot execute SET query in readonly mode.'
 
 ${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}?query=SELECT+toUInt64(pow(2,+63))+as+value+format+JSON&output_format_json_quote_64bit_integers=1" | grep value
 ${CLICKHOUSE_CURL} -sS "${CLICKHOUSE_URL}?query=SELECT+toUInt64(pow(2,+63))+as+value+format+JSON&output_format_json_quote_64bit_integers=0" | grep value
diff --git a/dbms/tests/queries/0_stateless/00492_drop_temporary_table.sql b/dbms/tests/queries/0_stateless/00492_drop_temporary_table.sql
index dceb4dc2267..3edb44809e9 100644
--- a/dbms/tests/queries/0_stateless/00492_drop_temporary_table.sql
+++ b/dbms/tests/queries/0_stateless/00492_drop_temporary_table.sql
@@ -2,7 +2,9 @@ DROP TEMPORARY TABLE IF EXISTS temp_tab;
 CREATE TEMPORARY TABLE temp_tab (number UInt64);
 INSERT INTO temp_tab SELECT number FROM system.numbers LIMIT 1;
 SELECT number FROM temp_tab;
+SET server_logs_level='none';
 DROP TABLE temp_tab;
+SET server_logs_level='warning';
 CREATE TEMPORARY TABLE temp_tab (number UInt64);
 SELECT number FROM temp_tab;
 DROP TEMPORARY TABLE temp_tab;
diff --git a/dbms/tests/queries/0_stateless/00550_join_insert_select.sh b/dbms/tests/queries/0_stateless/00550_join_insert_select.sh
index 3e78942f989..3fbad66e7c2 100755
--- a/dbms/tests/queries/0_stateless/00550_join_insert_select.sh
+++ b/dbms/tests/queries/0_stateless/00550_join_insert_select.sh
@@ -20,6 +20,6 @@ INSERT INTO test.test1 SELECT id, name FROM test.test2 ANY LEFT OUTER JOIN test.
 DROP TABLE test.test1;
 DROP TABLE test.test2;
 DROP TABLE test.test3;
-" 2>&1 | grep -F "Number of columns doesn't match" | wc -l
+" --server_logs_file=/dev/null 2>&1 | grep -F "Number of columns doesn't match" | wc -l
 
 $CLICKHOUSE_CLIENT --query="SELECT 1";
diff --git a/dbms/tests/queries/0_stateless/00553_buff_exists_materlized_column.sql b/dbms/tests/queries/0_stateless/00553_buff_exists_materlized_column.sql
index 49aff2aa184..9cef126ca49 100644
--- a/dbms/tests/queries/0_stateless/00553_buff_exists_materlized_column.sql
+++ b/dbms/tests/queries/0_stateless/00553_buff_exists_materlized_column.sql
@@ -15,5 +15,5 @@ INSERT INTO test.nums_buf (n) VALUES (5);
 SELECT n,m FROM test.nums ORDER BY n;
 SELECT n,m FROM test.nums_buf ORDER BY n;
 
-DROP TABLE IF EXISTS test.nums;
 DROP TABLE IF EXISTS test.nums_buf;
+DROP TABLE IF EXISTS test.nums;
diff --git a/dbms/tests/queries/0_stateless/00568_compile_catch_throw.sh b/dbms/tests/queries/0_stateless/00568_compile_catch_throw.sh
index 7db122dcbb7..56e11138e2f 100755
--- a/dbms/tests/queries/0_stateless/00568_compile_catch_throw.sh
+++ b/dbms/tests/queries/0_stateless/00568_compile_catch_throw.sh
@@ -2,7 +2,7 @@
 
 [ -z "$CLICKHOUSE_CLIENT" ] && CLICKHOUSE_CLIENT="clickhouse-client"
 
-SETTINGS="--compile=1 --min_count_to_compile=0 --max_threads=1 --max_memory_usage=8000000"
+SETTINGS="--compile=1 --min_count_to_compile=0 --max_threads=1 --max_memory_usage=8000000 --server_logs_file=/dev/null"
 output=$($CLICKHOUSE_CLIENT -q "SELECT length(groupArray(number)) FROM (SELECT * FROM system.numbers LIMIT 1000000)" $SETTINGS 2>&1)
 
 [[ $? -eq 0 ]] && echo "Expected non-zero RC"
diff --git a/dbms/tests/queries/0_stateless/00575_illegal_column_exception_when_drop_depen_column.sh b/dbms/tests/queries/0_stateless/00575_illegal_column_exception_when_drop_depen_column.sh
index 08c7f8ef298..d199096815c 100755
--- a/dbms/tests/queries/0_stateless/00575_illegal_column_exception_when_drop_depen_column.sh
+++ b/dbms/tests/queries/0_stateless/00575_illegal_column_exception_when_drop_depen_column.sh
@@ -10,7 +10,7 @@ ${CLICKHOUSE_CLIENT} --query "DROP TABLE IF EXISTS test.test;"
 ${CLICKHOUSE_CLIENT} --query "CREATE TABLE test.test (dt Date DEFAULT now(), id UInt32, id2 UInt32 DEFAULT id + 1) ENGINE = MergeTree(dt, dt, 8192);"
 ${CLICKHOUSE_CLIENT} --query "INSERT INTO test.test(dt,id) VALUES ('2018-02-22',3), ('2018-02-22',4), ('2018-02-22',5);"
 ${CLICKHOUSE_CLIENT} --query "SELECT * FROM test.test ORDER BY id;"
-echo `${CLICKHOUSE_CLIENT} --query "ALTER TABLE test.test DROP COLUMN id;" 2>&1 | grep -c "$exception_pattern"`
+echo `${CLICKHOUSE_CLIENT} --query "ALTER TABLE test.test DROP COLUMN id;" --server_logs_file=/dev/null 2>&1 | grep -c "$exception_pattern"`
 ${CLICKHOUSE_CLIENT} --query "ALTER TABLE test.test DROP COLUMN id2;"
 ${CLICKHOUSE_CLIENT} --query "SELECT * FROM test.test ORDER BY id;"
 ${CLICKHOUSE_CLIENT} --query "ALTER TABLE test.test DROP COLUMN id;"
diff --git a/dbms/tests/queries/0_stateless/00595_insert_into_view.sh b/dbms/tests/queries/0_stateless/00595_insert_into_view.sh
index 030f1931928..ae3e7d40835 100755
--- a/dbms/tests/queries/0_stateless/00595_insert_into_view.sh
+++ b/dbms/tests/queries/0_stateless/00595_insert_into_view.sh
@@ -11,7 +11,7 @@ ${CLICKHOUSE_CLIENT} --query "DROP TABLE IF EXISTS test.test_view;"
 ${CLICKHOUSE_CLIENT} --query "CREATE TABLE test.test (s String) ENGINE = Log;"
 ${CLICKHOUSE_CLIENT} --query "CREATE VIEW test.test_view AS SELECT * FROM test.test;"
 
-echo `${CLICKHOUSE_CLIENT} --query "INSERT INTO test.test_view VALUES('test_string');" 2>&1 | grep -c "$exception_pattern"`
+(( `${CLICKHOUSE_CLIENT} --query "INSERT INTO test.test_view VALUES('test_string');" 2>&1 | grep -c "$exception_pattern"` >= 1 )) && echo 1 || echo "NO MATCH"
 ${CLICKHOUSE_CLIENT} --query "INSERT INTO test.test VALUES('test_string');"
 ${CLICKHOUSE_CLIENT} --query "SELECT * FROM test.test;"
 
diff --git a/dbms/tests/queries/0_stateless/00596_limit_on_expanded_ast.sh b/dbms/tests/queries/0_stateless/00596_limit_on_expanded_ast.sh
index 85d13cbdb47..3cbbdefb3c0 100755
--- a/dbms/tests/queries/0_stateless/00596_limit_on_expanded_ast.sh
+++ b/dbms/tests/queries/0_stateless/00596_limit_on_expanded_ast.sh
@@ -5,6 +5,6 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 
 exception_pattern="too big"
 
-${CLICKHOUSE_CLIENT} --max_expanded_ast_elements=500000 --query="
+${CLICKHOUSE_CLIENT} --server_logs_file /dev/null --max_expanded_ast_elements=500000 --query="
     select 1 as a, a+a as b, b+b as c, c+c as d, d+d as e, e+e as f, f+f as g, g+g as h, h+h as i, i+i as j, j+j as k, k+k as l, l+l as m, m+m as n, n+n as o, o+o as p, p+p as q, q+q as r, r+r as s, s+s as t, t+t as u, u+u as v, v+v as w, w+w as x, x+x as y, y+y as z
 " 2>&1 | grep -c "$exception_pattern"
diff --git a/dbms/tests/queries/0_stateless/00602_throw_if.sh b/dbms/tests/queries/0_stateless/00602_throw_if.sh
index a63c109ffaf..8dae5033978 100755
--- a/dbms/tests/queries/0_stateless/00602_throw_if.sh
+++ b/dbms/tests/queries/0_stateless/00602_throw_if.sh
@@ -5,5 +5,5 @@ CURDIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 
 exception_pattern="Value passed to 'throwIf' function is non zero"
 
-${CLICKHOUSE_CLIENT} --query="SELECT throwIf(number = 1000000) FROM system.numbers" 2>&1 | grep -cF "$exception_pattern"
-${CLICKHOUSE_CLIENT} --query="SELECT sum(x = 0) FROM (SELECT throwIf(number = 1000000) AS x FROM numbers(1000000))" 2>&1
+${CLICKHOUSE_CLIENT} --server_logs_file /dev/null --query="SELECT throwIf(number = 1000000) FROM system.numbers" 2>&1 | grep -cF "$exception_pattern"
+${CLICKHOUSE_CLIENT} --server_logs_file /dev/null --query="SELECT sum(x = 0) FROM (SELECT throwIf(number = 1000000) AS x FROM numbers(1000000))" 2>&1
diff --git a/dbms/tests/queries/0_stateless/00626_replace_partition_from_table.sql b/dbms/tests/queries/0_stateless/00626_replace_partition_from_table.sql
index daf9950e9d5..397b459142a 100644
--- a/dbms/tests/queries/0_stateless/00626_replace_partition_from_table.sql
+++ b/dbms/tests/queries/0_stateless/00626_replace_partition_from_table.sql
@@ -43,7 +43,7 @@ SELECT count(), sum(d) FROM test.dst;
 
 INSERT INTO test_block_numbers SELECT max(max_block_number) AS m FROM system.parts WHERE database='test' AND  table='dst' AND active AND name LIKE '1_%';
 SELECT (max(m) - min(m) > 1) AS new_block_is_generated FROM test_block_numbers;
-DROP TABLE test_block_numbers;
+DROP TEMPORARY TABLE test_block_numbers;
 
 
 SELECT 'ATTACH FROM';
diff --git a/dbms/tests/queries/0_stateless/00626_replace_partition_from_table_zookeeper.sql b/dbms/tests/queries/0_stateless/00626_replace_partition_from_table_zookeeper.sql
index 304e43d497d..352bf225979 100644
--- a/dbms/tests/queries/0_stateless/00626_replace_partition_from_table_zookeeper.sql
+++ b/dbms/tests/queries/0_stateless/00626_replace_partition_from_table_zookeeper.sql
@@ -55,7 +55,7 @@ SELECT count(), sum(d) FROM test.dst_r2;
 
 INSERT INTO test_block_numbers SELECT max(max_block_number) AS m FROM system.parts WHERE database='test' AND  table='dst_r1' AND active AND name LIKE '1_%';
 SELECT (max(m) - min(m) > 1) AS new_block_is_generated FROM test_block_numbers;
-DROP TABLE test_block_numbers;
+DROP TEMPORARY TABLE test_block_numbers;
 
 
 SELECT 'ATTACH FROM';
diff --git a/dbms/tests/queries/shell_config.sh b/dbms/tests/queries/shell_config.sh
index 0c12418b602..00b7b67c50a 100644
--- a/dbms/tests/queries/shell_config.sh
+++ b/dbms/tests/queries/shell_config.sh
@@ -1,6 +1,6 @@
 
 export CLICKHOUSE_BINARY=${CLICKHOUSE_BINARY:="clickhouse"}
-export CLICKHOUSE_CLIENT=${CLICKHOUSE_CLIENT:="${CLICKHOUSE_BINARY}-client"}
+export CLICKHOUSE_CLIENT=${CLICKHOUSE_CLIENT:="${CLICKHOUSE_BINARY}-client --server_logs_level=warning"}
 export CLICKHOUSE_LOCAL=${CLICKHOUSE_LOCAL:="${CLICKHOUSE_BINARY}-local"}
 
 export CLICKHOUSE_CONFIG=${CLICKHOUSE_CONFIG:="/etc/clickhouse-server/config.xml"}