mocchira

Traditional RDBMS

• mysql
• reference: http://dev.mysql.com/doc/internals/en/client-server-protocol.html
• sources needed to port( There are around 31K LOC to be ported to Erlang )

source file	explanation
http://bazaar.launchpad.net/~mysql/mysql-server/5.5/view/head:/sql/net_serv.cc	main logic to parse mysql protocol
http://bazaar.launchpad.net/~mysql/mysql-server/5.5/view/head:/sql/protocol.h
http://bazaar.launchpad.net/~mysql/mysql-server/5.5/view/head:/sql/protocol.cc	reply data structure and logic

mocchira

Procedure for all in one

links

http://docs.openstack.org/developer/swift/development_saio.html

To be modified

• Specify ${GROUP} instead of ${USER} as need

Can be ignored

• One of the prodtests(about split brain) failed but almost works fine (PUT/GET/DELETE/LIST)

mocchira

-module(s3siggen).

-export([gen_sig/2]).

-include("leo_s3_auth.hrl").

-define(S3_ACC_KEY,      "05236").
-define(S3_SEC_KEY,      "802562235").
-define(S3_CONTENT_TYPE, "application/octet-stream").

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find . -name rebar.config|xargs sed 's/require_otp_vsn,\s\+"\(.\+\)"/require_otp_vsn, "R15B03|R16B01|R16B02"/g'

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# rollback remote branch
git push -f origin HEAD^:master

# rollback local branch
git reset --hard HEAD^

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# PUT
curl -v -X PUT intel12:8080/isnews/photos/toyokeizai/toyokeizai_20130425_13796_0.jpg -d @toyokeizai_20130425_13796_0.jpg

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-module(test).

-export([start/2, stop/1]).
-export([loop/2, loop_child/1]).

-define(NUM_OF_REC,      256).
-define(INTERVAL,         1).

%% public functions
start(ProcNum, _Table) when ProcNum < 1 ->

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• normal(explicitly specified start AND end)

  curl -v -X GET -H "range: bytes=1-8" http://localhost:8080/bbb/test

• specified ONLY start(end will be specified at the end of file)

  curl -v -X GET -H "range: bytes=10-" http://localhost:8080/bbb/test

• specified ONLY one negative value(last N bytes of file will be retrieved)

mocchira

• conf_128K

  {mode, max}. {duration, 1000}. {concurrent, 64}.

  {driver, basho_bench_driver_leofs}. {code_paths, ["deps/ibrowse"]}.

{http_raw_ips, ["leofs03","leofs04"]}.

mocchira

erlang:demonitor/2                                            1713   0.00      16259  [      9.49]
ets:safe_fixtable/2                                            748   0.00      17258  [     23.07]
ets:next/2                                                    2312   0.00      17622  [      7.62]
erlang:crc32/2                                                 562   0.01      19638  [     34.94]
file:file_name_1/2                                           34643   0.01      20030  [      0.58]
ets:lookup/2                                                  4359   0.01      26580  [      6.10]
erlang:monitor/2                                              4973   0.01      28380  [      5.71]
ets:select/1                                                   361   0.01      30265  [     83.84]
erlang:send/3                                                 1736   0.01      30438  [     17.53]
erlang:crc32/1                                                 842   0.01      39367  [     46.75]