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Author SHA1 Message Date
Kresten Krab Thorup
b6fe048a6f A performance comparison w/InnoDB 
Bottom line is that we're currently roughly
at-par with InnoDB; our gets are a bit slower
but we're using 50MB RAM, when InnoDB uses 1G.
 2012-01-06 22:30:12 +01:00
Jesper Louis Andersen
0674ae3332 Introduce proper as a dependency. 2012-01-06 21:22:41 +01:00
Jesper Louis Andersen
fcf7af36ca Provide a Makefile for running dialyzer. 
While here, also dump another slew of goodies in the makefile.
 2012-01-06 21:22:23 +01:00
Erik Søe Sørensen
091df9392e levelpresence.sh: Add dynamicer mode. 2012-01-06 13:56:52 +01:00
Erik Søe Sørensen
dac9b31266 Merge branch 'master' of github.com:eriksoe/fractal_btree 
Conflicts:
	src/fractal_btree_level.erl
 2012-01-06 13:56:32 +01:00
Kresten Krab Thorup
4e8602043f Implement range_fold 2012-01-06 02:06:25 +01:00
Kresten Krab Thorup
9a624f963e Rename read_leaf_node -> next_leaf_node 2012-01-06 02:06:00 +01:00
Kresten Krab Thorup
b21e253324 Store child-refs as {Pos,Size} so we can pread 
This allows us to use file:pread to read a
child-node, rather than two separate reads
(one for node block size, and then one for 
the node block itself).

Also, encode the level# in node header, so that
scanning leafs doesn't need to decode the
node contents for inner nodes.
 2012-01-06 00:29:05 +01:00
Kresten Krab Thorup
2f985d8576 Fix indentation 2012-01-06 00:02:29 +01:00
Kresten Krab Thorup
e12544d0be A bit more README / background info 2012-01-06 00:02:00 +01:00
Erik Søe Sørensen
90ae581213 level: Calculate the size of the merged file correctly - again. 2012-01-05 21:09:36 +01:00
Erik Søe Sørensen
be91e047ff Merge branch 'master' of github.com:krestenkrab/fractal_btree 2012-01-05 18:32:28 +01:00
Kresten Krab Thorup
85a75ed298 fix conflict 2012-01-05 18:11:37 +01:00
Kresten Krab Thorup
cff74ac93a Use proc_lib for spawning 2012-01-05 18:09:00 +01:00
Kresten Krab Thorup
6c0766a433 Allow merger to be local 2012-01-05 18:08:19 +01:00
Kresten Krab Thorup
51f1c13650 Assert nursery file is gone after inject 2012-01-05 18:07:20 +01:00
Erik Søe Sørensen
c43d5464d6 Merge branch 'master' of github.com:krestenkrab/fractal_btree 2012-01-05 17:50:50 +01:00
Erik Søe Sørensen
43f9855633 levelpresence.sh: Show line numbers. 2012-01-05 17:50:33 +01:00
Erik Søe Sørensen
aca809aa90 level: Handle failure of merger process. Remove EXIT messages from inbox. 2012-01-05 17:50:18 +01:00
Kresten Krab Thorup
22e59b0fcc Make btree_writer:close use infinity 2012-01-05 17:37:15 +01:00
Erik Søe Sørensen
0ff2a2528e Merge branch 'master' of github.com:krestenkrab/fractal_btree 2012-01-05 17:31:30 +01:00
Kresten Krab Thorup
8c6d832f27 Merge pull request #1 from eriksoe/level_mainloop_simplification 
Level mainloop simplification
 2012-01-05 08:31:10 -08:00
Erik Søe Sørensen
fa4f1e1f49 Merge branch 'master' of github.com:krestenkrab/fractal_btree 2012-01-05 17:25:23 +01:00
Erik Søe Sørensen
155a0e5b19 Add level progress visualization script. 2012-01-05 17:24:58 +01:00
Kresten Krab Thorup
cf54868d1b Implement new merge algorithm 
Which does not spawn individual processes,
but rather does a "sequential merge"
 2012-01-05 17:07:49 +01:00
Kresten Krab Thorup
00e2fba43a Correct count for merge 2012-01-05 16:46:32 +01:00
Erik Søe Sørensen
b9abf21bac Correct embarrasing typo wrt. use of do_lookup(). 2012-01-05 16:23:21 +01:00
Erik Søe Sørensen
36816e261a Merge remote-tracking branch 'kk/master' into level_mainloop_simplification 
Conflicts:
	src/fractal_btree_level.erl
 2012-01-05 16:14:54 +01:00
Kresten Krab Thorup
244e3128e9 Handle error case + debugging for that 2012-01-05 23:05:18 +08:00
Kresten Krab Thorup
e09e2b2aa2 Add basho_bench script/driver 2012-01-05 23:05:18 +08:00
Kresten Krab Thorup
3118bd8c62 Remove lots of info_msg 2012-01-05 23:05:18 +08:00
Erik Søe Sørensen
c04c11c67f First compile and test, then commit. 2012-01-05 16:02:29 +01:00
Erik Søe Sørensen
fa43e41c51 Simplify slightly in level:initialize(). 2012-01-05 16:01:14 +01:00
Erik Søe Sørensen
c93505fa58 Simplify main_loop() by collapsing to one clause. 2012-01-05 15:59:45 +01:00
Kresten Krab Thorup
27396c21d1 Handle error case + debugging for that 2012-01-05 15:56:37 +01:00
Erik Søe Sørensen
76c6cbd585 Simplify lookup in main_loop2(). 2012-01-05 15:46:13 +01:00
Erik Søe Sørensen
285b7bc95e Rename main_loop{0,1,2}() to main_loop(). 2012-01-05 15:35:16 +01:00
Erik Søe Sørensen
6184272d95 Remove unused level:size(). 2012-01-05 15:34:50 +01:00
Kresten Krab Thorup
86f28c683f Add basho_bench script/driver 2012-01-05 15:28:39 +01:00
Kresten Krab Thorup
7a0fc6addd Remove lots of info_msg 2012-01-05 15:28:23 +01:00
Kresten Krab Thorup
cdadb88ebf Top-level functionality fractal_btree "works" 
There is a single unit test for the aggregate
functionality, so basic interactions work.

[Too many log messages right now]
 2012-01-05 11:48:14 +01:00
Kresten Krab Thorup
da65b9abb1 zip stored bloom filter 2012-01-04 15:48:57 +01:00
Kresten Krab Thorup
5af86b9e23 Add bloom filter to btree index format 2012-01-04 15:36:52 +01:00
Kresten Krab Thorup
6e13f55044 Initial work-in-progress 2012-01-04 15:05:31 +01:00
Kresten Krab Thorup
0a71c6ee5c first commit 2012-01-04 14:40:22 +01:00