Re: [PR] [enhance](meta-service)add bvar for ms kv read write count [doris]

2025-06-15 Thread via GitHub


gavinchou commented on code in PR #51708:
URL: https://github.com/apache/doris/pull/51708#discussion_r2148982041


##
cloud/src/common/bvars.cpp:
##
@@ -186,4 +188,180 @@ BvarStatusWithTag 
g_bvar_inverted_checker_abnormal_delete_bitmaps("chec
 BvarStatusWithTag 
g_bvar_inverted_checker_delete_bitmaps_scanned("checker", 
"delete_bitmap_keys_scanned");
 BvarStatusWithTag 
g_bvar_max_rowsets_with_useless_delete_bitmap_version("checker", 
"max_rowsets_with_useless_delete_bitmap_version");
 
+// rpc kv rw count

Review Comment:
   seems lack of instance level stats
   we may need to add `instance_id` a mbvar label.



##
cloud/src/meta-service/meta_service_helper.h:
##
@@ -232,16 +233,23 @@ inline MetaServiceCode cast_as(TxnErrorCode code) {
 brpc::ClosureGuard closure_guard(done);
  \
 [[maybe_unused]] std::stringstream ss; 
  \
 [[maybe_unused]] MetaServiceCode code = MetaServiceCode::OK;   
  \
+[[maybe_unused]] std::unique_ptr txn; 
  \
 [[maybe_unused]] std::string msg;  
  \
 [[maybe_unused]] std::string instance_id;  
  \
 [[maybe_unused]] bool drop_request = false;
  \
+[[maybe_unused]] KVStats stats(g_bvar_rpc_kv_##func_name##_read_counter,   
  \
+   g_bvar_rpc_kv_##func_name##_write_counter); 
  \
 std::unique_ptr> defer_status((int*)0x01, 
[&](int*) { \
 response->mutable_status()->set_code(code);
  \
 response->mutable_status()->set_msg(msg);  
  \
 finish_rpc(#func_name, ctrl, response);
  \
 closure_guard.reset(nullptr);  
  \
 if (config::use_detailed_metrics && !instance_id.empty() && 
!drop_request) { \

Review Comment:
   does dropped request has any attached metrics?
   if no, we should add one



##
cloud/src/meta-service/mem_txn_kv.h:
##
@@ -29,6 +30,7 @@
 #include 
 #include 
 
+#include "common/stats.h"

Review Comment:
   what is this for?



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Re: [PR] [enhance](meta-service)add bvar for ms kv read write count [doris]

2025-06-15 Thread via GitHub


koarz commented on code in PR #51708:
URL: https://github.com/apache/doris/pull/51708#discussion_r2148976070


##
cloud/src/meta-service/meta_service.cpp:
##
@@ -250,7 +254,7 @@ void 
MetaServiceImpl::get_version(::google::protobuf::RpcController* controller,
 }
 
 code = MetaServiceCode::OK;
-std::unique_ptr txn;

Review Comment:
   it's in macro `RPC_PREPROCESS`, for defer catch it



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Re: [PR] [enhance](meta-service)add bvar for ms kv read write count [doris]

2025-06-15 Thread via GitHub


gavinchou commented on code in PR #51708:
URL: https://github.com/apache/doris/pull/51708#discussion_r2148971899


##
cloud/src/meta-service/meta_service.cpp:
##
@@ -456,6 +465,10 @@ void internal_create_tablet(const CreateTabletsRequest* 
request, MetaServiceCode
 msg = "failed to init txn";
 return;
 }
+std::unique_ptr> defer_stats((int*)0x01, 
[&](int*) {
+stats.read_counter << txn->num_get_keys();
+stats.write_counter << txn->num_del_keys() + txn->num_put_keys();

Review Comment:
   do we need to separate delete and put?



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Re: [PR] [enhance](meta-service)add bvar for ms kv read write count [doris]

2025-06-15 Thread via GitHub


gavinchou commented on code in PR #51708:
URL: https://github.com/apache/doris/pull/51708#discussion_r2148970449


##
cloud/src/meta-service/meta_service.cpp:
##
@@ -250,7 +254,7 @@ void 
MetaServiceImpl::get_version(::google::protobuf::RpcController* controller,
 }
 
 code = MetaServiceCode::OK;
-std::unique_ptr txn;

Review Comment:
   why delete? is it a shadow variable? 



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Re: [PR] [enhance](meta-service)add bvar for ms kv read write count [doris]

2025-06-13 Thread via GitHub


hello-stephen commented on PR #51708:
URL: https://github.com/apache/doris/pull/51708#issuecomment-2969897028

   
   Thank you for your contribution to Apache Doris.
   Don't know what should be done next? See [How to process your 
PR](https://cwiki.apache.org/confluence/display/DORIS/How+to+process+your+PR).
   
   Please clearly describe your PR:
   1. What problem was fixed (it's best to include specific error reporting 
information). How it was fixed.
   2. Which behaviors were modified. What was the previous behavior, what is it 
now, why was it modified, and what possible impacts might there be.
   3. What features were added. Why was this function added?
   4. Which code was refactored and why was this part of the code refactored?
   5. Which functions were optimized and what is the difference before and 
after the optimization?
   


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