Agreed! The new work on 1843-feature-bigcouch is aimed at getting a runnable 
cluster with basic CRUD, I expect we’ll come back to each commit for tidying up 
or, such as in this case, added a pluggable mechanism for general use. You only 
have to look at some of my other commits to see that I’m cutting corners right 
now. make dev currently works to the point where databases can be created, but 
doc creation crashes. I’m sure it’s simple but I’ve not had time to fix it.

B.

On 20 Dec 2013, at 22:02, Adam Kocoloski <[email protected]> wrote:

> I would love to see a smarter solution here that avoids the need for Cloudant 
> to fork {rexi, fabric, mem3} just to add instrumentation.
> 
> Adam
> 
>> On Dec 19, 2013, at 1:21 PM, [email protected] wrote:
>> 
>> Updated Branches:
>> refs/heads/1843-feature-bigcouch fee7cbfc4 -> d260381c1
>> 
>> 
>> Remove references to margaret
>> 
>> 
>> Project: http://git-wip-us.apache.org/repos/asf/couchdb/repo
>> Commit: http://git-wip-us.apache.org/repos/asf/couchdb/commit/d260381c
>> Tree: http://git-wip-us.apache.org/repos/asf/couchdb/tree/d260381c
>> Diff: http://git-wip-us.apache.org/repos/asf/couchdb/diff/d260381c
>> 
>> Branch: refs/heads/1843-feature-bigcouch
>> Commit: d260381c1226ede102ccfdb1c23114ec73c8c4b6
>> Parents: fee7cbf
>> Author: Robert Newson <[email protected]>
>> Authored: Thu Dec 19 18:16:58 2013 +0000
>> Committer: Robert Newson <[email protected]>
>> Committed: Thu Dec 19 18:20:32 2013 +0000
>> 
>> ----------------------------------------------------------------------
>> src/ddoc_cache/src/ddoc_cache.erl | 3 ---
>> src/mem3/src/mem3_shards.erl      | 3 ---
>> src/rexi/src/rexi_governor.erl    | 2 --
>> 3 files changed, 8 deletions(-)
>> ----------------------------------------------------------------------
>> 
>> 
>> http://git-wip-us.apache.org/repos/asf/couchdb/blob/d260381c/src/ddoc_cache/src/ddoc_cache.erl
>> ----------------------------------------------------------------------
>> diff --git a/src/ddoc_cache/src/ddoc_cache.erl 
>> b/src/ddoc_cache/src/ddoc_cache.erl
>> index ec119f1..685a368 100644
>> --- a/src/ddoc_cache/src/ddoc_cache.erl
>> +++ b/src/ddoc_cache/src/ddoc_cache.erl
>> @@ -45,10 +45,8 @@ open(DbName, DDocId) when is_binary(DDocId) ->
>> open(Key) ->
>>  try ets_lru:lookup_d(?CACHE, Key) of
>>      {ok, _} = Resp ->
>> -            margaret_counter:increment([ddoc_cache, hit]),
>>          Resp;
>>      _ ->
>> -            margaret_counter:increment([ddoc_cache, miss]),
>>          case gen_server:call(?OPENER, {open, Key}, infinity) of
>>              {open_ok, Resp} ->
>>                  Resp;
>> @@ -61,7 +59,6 @@ open(Key) ->
>>          end
>>  catch
>>      error:badarg ->
>> -            margaret_counter:increment([ddoc_cache, recovery]),
>>          recover(Key)
>>  end.
>> 
>> 
>> http://git-wip-us.apache.org/repos/asf/couchdb/blob/d260381c/src/mem3/src/mem3_shards.erl
>> ----------------------------------------------------------------------
>> diff --git a/src/mem3/src/mem3_shards.erl b/src/mem3/src/mem3_shards.erl
>> index 2aaa35a..3437495 100644
>> --- a/src/mem3/src/mem3_shards.erl
>> +++ b/src/mem3/src/mem3_shards.erl
>> @@ -131,14 +131,11 @@ handle_call(_Call, _From, St) ->
>>  {noreply, St}.
>> 
>> handle_cast({cache_hit, DbName}, St) ->
>> -    margaret_counter:increment([dbcore, mem3, shard_cache, hit]),
>>  cache_hit(DbName),
>>  {noreply, St};
>> handle_cast({cache_insert, DbName, Shards}, St) ->
>> -    margaret_counter:increment([dbcore, mem3, shard_cache, miss]),
>>  {noreply, cache_free(cache_insert(St, DbName, Shards))};
>> handle_cast({cache_remove, DbName}, St) ->
>> -    margaret_counter:increment([dbcore, mem3, shard_cache, eviction]),
>>  {noreply, cache_remove(St, DbName)};
>> handle_cast(_Msg, St) ->
>>  {noreply, St}.
>> 
>> http://git-wip-us.apache.org/repos/asf/couchdb/blob/d260381c/src/rexi/src/rexi_governor.erl
>> ----------------------------------------------------------------------
>> diff --git a/src/rexi/src/rexi_governor.erl b/src/rexi/src/rexi_governor.erl
>> index e999470..ad62150 100644
>> --- a/src/rexi/src/rexi_governor.erl
>> +++ b/src/rexi/src/rexi_governor.erl
>> @@ -39,11 +39,9 @@ handle_cast({spawn_and_track, Dest, Msg},
>>  true ->
>>      {Pid, Ref} = spawn_monitor(erlang, send, [Dest, Msg]),
>>      ets:insert(Pids, {Pid, Ref}),
>> -        margaret_counter:increment([erlang, rexi, spawned]),
>>      {SC + 1, DC};
>>  false ->
>>      % drop message on floor
>> -        margaret_counter:increment([erlang, rexi, dropped]),
>>      {SC, DC + 1}
>>  end,
>>  {noreply, State#state{spawn_cnt = NewSC, drop_cnt = NewDC}};
>> 

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