--- Revision None
+++ Revision 636236336130
@@ -0,0 +1,91 @@
+Erlang R14B02 (erts-5.8.3) [source] [smp:2:2] [rq:2] [async-threads:4] [hipe] [kernel-poll:true]
+
+Eshell V5.8.3  (abort with ^G)
+1> Apache CouchDB 1.2.0a7a6f6ee-git (LogLevel=info) is starting.
+Apache CouchDB has started. Time to relax.
+[info] [<0.37.0>] Apache CouchDB has started on http://127.0.0.1:5984/
+
+1> rr("src/couchdb/couch_db.hrl").
+[att,btree,changes_args,db,db_header,doc,doc_info,
+ extern_resp_args,full_doc_info,group,httpd,index_header,
+ reduce_fold_helper_funs,rev_info,user_ctx,view,
+ view_fold_helper_funs,view_query_args]
+2> {ok, Db} = couch_db:open_int(<<"large1kb">>, []).
+{ok,#db{main_pid = <0.179.0>,update_pid = <0.180.0>,
+        compactor_pid = nil,
+        instance_start_time = <<"1301861125471547">>,fd = <0.181.0>,
+        updater_fd = <0.177.0>,fd_ref_counter = <0.183.0>,
+        header = #db_header{disk_version = 5,update_seq = 341301,
+                            unused = 0,
+                            fulldocinfo_by_id_btree_state = {480339898,{341298,0}},
+                            docinfo_by_seq_btree_state = {480336370,341298},
+                            local_docs_btree_state = {480317540,[]},
+                            purge_seq = 1,purged_docs = 480340016,
+                            security_ptr = 480321636,revs_limit = 1000},
+        committed_update_seq = 341301,
+        fulldocinfo_by_id_btree = #btree{fd = <0.177.0>,
+                                         root = {480339898,{341298,0}},
+                                         extract_kv = #Fun<couch_db_updater.10.91297870>,
+                                         assemble_kv = #Fun<couch_db_updater.11.29248762>,
+                                         less = #Fun<couch_btree.5.3534514>,
+                                         reduce = #Fun<couch_db_updater.12.101621643>},
+        docinfo_by_seq_btree = #btree{fd = <0.177.0>,
+                                      root = {480336370,341298},
+                                      extract_kv = #Fun<couch_db_updater.13.112240718>,
+                                      assemble_kv = #Fun<couch_db_updater.14.90543234>,
+                                      less = #Fun<couch_btree.5.3534514>,
+                                      reduce = #Fun<couch_db_updater.15.111854220>},
+        local_docs_btree = #btree{fd = <0.177.0>,
+                                  root = {480317540,[]},
+                                  extract_kv = #Fun<couch_btree.0.8709291>,
+                                  assemble_kv = #Fun<couch_btree.1.100429438>,
+                                  less = #Fun<couch_btree.2.3534514>,reduce = nil},
+        update_seq = 341301,name = <<"large1kb">>,
+        filepath = "/home/fdmanana/git/hub/couchdb/tmp/lib/large1kb.couch",
+        validate_doc_funs = [],
+        security = [{<<"admins">>,
+                     {[{<<"names">>,[]},{<<"roles">>,[<<...>>|...]}]}},
+                    {<<"members">>,{[{<<"names">>,[]},{<<"role"...>>,[]}]}}],
+        security_ptr = 480321636,
+        user_ctx = #user_ctx{name = null,roles = [],
+                             handler = undefined},
+        waiting_delayed_commit = nil,revs_limit = 1000,
+        fsync_options = [before_header,after_header,on_file_open],
+        options = []}}
+3> 
+3> HBin = term_to_binary(Db#db.header).
+<<131,104,11,100,0,9,100,98,95,104,101,97,100,101,114,97,
+  5,98,0,5,53,53,97,0,104,2,98,28,161,...>>
+4> byte_size(HBin).
+77
+5> byte_size(element(2, snappy:compress(HBin))).
+69
+6> byte_size(element(2, snappy:compress(HBin))).
+69
+7> {ok, Root} = couch_file:pread_binary(Db#db.fd, 480339898).
+{ok,<<131,104,2,100,0,7,107,112,95,110,111,100,101,108,0,
+      0,0,3,104,2,109,0,0,0,9,100,111,...>>}
+8> RootBin = term_to_binary(Root).
+<<131,109,0,0,0,114,131,104,2,100,0,7,107,112,95,110,111,
+  100,101,108,0,0,0,3,104,2,109,0,0,...>>
+9> byte_size(RootBin).
+120 
+10> byte_size(element(2, snappy:compress(RootBin))).          
+104
+11> SecBin = term_to_binary(Db#db.security).
+<<131,108,0,0,0,2,104,2,109,0,0,0,6,97,100,109,105,110,
+  115,104,1,108,0,0,0,2,104,2,109,...>>
+12> byte_size(SecBin).
+127 
+13> byte_size(element(2, snappy:compress(SecBin))). 
+80
+14> {ok, Doc4Json} = file:read_file("../seatoncouch/doc_4k.json").
+{ok,<<"{\n\"data3\":\"ColreUHAtuYoUOx1N4ZloouQt2o6ugnUT6eYtS10gu7niM8i0vEiNufpk1RlMQXaHXlIwQBDsMFDFUQcFeg2vW5eD259Xm\",\n"...>>}
+15> DocBin = term_to_binary(couch_util:json_decode(Doc4Json)).
+<<131,104,1,108,0,0,0,9,104,2,109,0,0,0,5,100,97,116,97,
+  51,109,0,0,0,94,67,111,108,114,...>>
+16> byte_size(DocBin).
+5942
+17> byte_size(element(2, snappy:compress(DocBin))).               
+2930
+18>