Riak CS (ã¯ã©ãŠãã¹ãã¬ãŒãž) â Riak KV äžã§å®è¡ãããããªããžã§ã¯ã ã¹ãã¬ãŒãžãæŽçããããã®äœ¿ãããããœãããŠã§ã¢ã Riak (KV) ã¯ãåæ£å NoSQL ããŒ/å€ããŒã¿ããŒã¹ã§ãã Riak CS ã¯ãããããèŠæš¡ã®ã¯ã©ãŠã ã¹ãã¬ãŒãžã®ã·ã³ãã«ããå¯çšæ§ãåæ£ãæäŸããããã«èšèšãããŠããããããªãã¯ãšãã©ã€ããŒãã®äž¡æ¹ã®ã¯ã©ãŠã ã¢ãŒããã¯ãã£ã®æ§ç¯ã«äœ¿çšããããé«è² è·ã®ã¢ããªã±ãŒã·ã§ã³ããµãŒãã¹ã®ã€ã³ãã©ã¹ãã©ã¯ã㣠ã¹ãã¬ãŒãžãšããŠäœ¿çšãããã§ããŸãã Riak CS API 㯠Amazon S3 ãšäºææ§ããããããŸããŸãªç¶æ³ã«é¢ããã¬ããŒããåä¿¡ããæ©èœããµããŒãããŠããŸãã
ãã®èšäºã¯ãRiak CS ã·ã¹ãã ããŒãžã§ã³ 2.1.1 ã®å
¬åŒããã¥ã¢ã«ã®ç¡å翻蚳ã§ãã
Riak CS ã¹ãã¬ãŒãž ã·ã¹ãã ã§ã¯ãXNUMX ã€ã®ã³ã³ããŒãã³ããçžäºã«é£æºããŠåäœããŸããã€ãŸããåã³ã³ããŒãã³ããä»ã®ã³ã³ããŒãã³ããšé£æºããŠåäœããããã«æ§æããå¿ èŠããããŸãã
- ãªã¢ã¯ (KV) â ãšã³ãã·ã¹ãã ãšããŠæ©èœããããŒã¿ããŒã¹ ã·ã¹ãã ã
- ãªã¢ã¯CS - Riak äžã®ã¯ã©ãŠã ã¹ãã¬ãŒãžå±€ãã¹ãã¬ãŒãžãš API æ©èœãæäŸãããã¡ã€ã«ãšã¡ã¿ããŒã¿ã Riak ã«ä¿åããŠããšã³ã ãŠãŒã¶ãŒã«é åžããŸãã
- æ¯æ± - Riak ã€ã³ã¹ã¿ã³ã¹å ã®ãã±ããããŠãŒã¶ãŒãªã©ãã°ããŒãã«ã«äžæãªãšã³ãã£ãã£ãå«ãã¯ãšãªã管çããŸãã ããšãã°ããŠãŒã¶ãŒã®äœæããã±ããã®äœæãŸãã¯åé€ãªã©ã§ãã
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ã·ã¹ãã ã³ã³ããŒãã³ãã®ã»ããã¢ããã CS çšã® Riak KV ã®ã»ããã¢ãã
Riak CS 㯠Riak äžã«æ§ç¯ãããã¢ããªã±ãŒã·ã§ã³ã§ãããããRiak CS ãå®è¡ããéã«ã¯ Riak æ§æã«æ³šæãæãããšãéåžžã«éèŠã§ãã ãã®ææžã¯ãRiak èšå®ã¬ã€ãã§ãããšåæã«ãéèŠãªèšå®ãã©ã¡ãŒã¿ã説æããåèææžã§ããããŸãã
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Riak CS ã®ããã¯ãšã³ã
Riak ã§äœ¿çšãããããã©ã«ãã®ããã¯ãšã³ã㯠Bitcask ã§ãããRiak CS ããã±ãŒãžã«ã¯ãRiak CS ã·ã¹ãã ã®äžéšã§ãã Riak ã¯ã©ã¹ã¿ãŒã§äœ¿çšããå¿ èŠãããç¹å¥ãªããã¯ãšã³ããå«ãŸããŠããŸãã éåžžããŒãžã§ã³ã«ã¯ãRiak ã«ä»å±ããæšæºã® Multi ããã¯ãšã³ããå«ãŸããŠããŸãã
Riak CS å ã§äœ¿çšãããåã Riak ãã±ããã¯ã»ã«ã³ã㪠ã€ã³ããã¯ã¹ã䜿çšãããããLevelDB ããã¯ãšã³ããå¿ èŠã«ãªããŸãã Riak CS ã·ã¹ãã ã®ä»ã®éšåã¯ãBticask ããã¯ãšã³ãã䜿çšããããšã§æ©æµãåããããšãã§ããŸãã Riak CS ã«ã¯ããµã³ãã«ã®ãã«ã ããã¯ãšã³ãã®äœ¿çšãå«ãŸããŠããããããã®ããã¯ãšã³ãã®äž¡æ¹ã掻çšããŠãããã©ãŒãã³ã¹ãšæ©èœã®æé©ãªçµã¿åãããå®çŸããŸãã 次ã®ã»ã¯ã·ã§ã³ã§ã¯ããã®ãã«ãããã¯ãšã³ãã䜿çšããããã« Riak ãé©åã«èšå®ããæ¹æ³ã«ã€ããŠèª¬æããŸãã
ããã¯ãšã³ã Riak ãããŒã¿ãä¿åããããã«äœ¿çšãããã®ã§ãã Riak KV ã«ã¯ãBitcaskãLevelDBãMemoryãMulti ãªã©ã®ããã¯ãšã³ããããã€ããããŸãã
ããã«ãã¹ãã¬ãŒãžèšç®ã·ã¹ãã 㯠Riak MapReduse ã䜿çšããŠãã¡ã€ã«ããã±ããã«éçŽããŸãã ããã¯ãã¹ãã¬ãŒãžãèšç®ããåã«ãæºåããã Riak CS ãã¡ã€ã«ãæ¢ãå Žæããã¹ãŠã® Riak ããŒãã«æ瀺ããå¿ èŠãããããšãæå³ããŸãã
Riak ããŒãã Riak CS ã·ã¹ãã ã®äžéšãšããŠæ§æããã«ã¯ãIP ã¢ãã¬ã¹ããããã³ã« ãããã¡ãä»ããã¡ãã»ãŒãžã³ã°çšã® IP ã¢ãã¬ã¹ãšããŒããªã©ãä»ã®ããã€ãã®ãã©ã¡ãŒã¿ãå€æŽããå¿ èŠããããŸãã å¿ èŠã«å¿ããŠä»ã®èšå®ãå€æŽã§ããŸãã 次ã®ã»ã¯ã·ã§ã³ã§ã¯ãRiak CS ã·ã¹ãã ã®äžéšãšããŠåäœããããã« Riak ããŒããæ§æããæ¹æ³ã«ã€ããŠèª¬æããŸãã
Riak ããã¯ãšã³ãã®ã»ããã¢ãã
ãŸããriak.conf ãŸã㯠Advanced.config/app.config æ§æãã¡ã€ã«ãç·šéããŸãã ãããã®ãã¡ã€ã«ã¯ã/etc/riak ãŸã㯠/opt/riak/etc ãã£ã¬ã¯ããªã«ãããŸãã ããã©ã«ãã§ã¯ãRiak 㯠Bitcask ããã¯ãšã³ãã䜿çšããŸãã æåã«è¡ãå¿ èŠãããã®ã¯ã次ã®è¡ãåé€ããŠæ§æãã¡ã€ã«ãå€æŽããããšã§ãã
RIAK.CONF
## Delete this line:
storage_backend = bitcask
é«åºŠãªèšå®
{riak_kv,
[ %% Delete this line:
{storage_backend, riak_kv_bitcask_backend},
]}
ã¢ããªã®èšå®
{riak_kv,
[ %% Delete this line:
{storage_backend, riak_kv_bitcask_backend},
]}
次ã«ãRiak çšã® RiakCS ã¢ãžã¥ãŒã«ã®å¿ èŠæ§ãå®èšŒããRiak CS ãæäŸããæ§ææžã¿ã®ããã¯ãšã³ãã䜿çšããããã« Riak ã«æ瀺ããå¿ èŠããããŸãã ããã«ã¯ãadvanced.config ãŸã㯠app.config ãã¡ã€ã«ã䜿çšãã次ã®ãªãã·ã§ã³ãè¿œå ããå¿ èŠããããŸãã
é«åºŠãªèšå®
{eleveldb, [
{total_leveldb_mem_percent, 30}
]},
{riak_kv, [
%% Other configs
{add_paths, ["/usr/lib/riak-cs/lib/riak_cs-2.1.1/ebin"]},
{storage_backend, riak_cs_kv_multi_backend},
{multi_backend_prefix_list, [{<<"0b:">>, be_blocks}]},
{multi_backend_default, be_default},
{multi_backend, [
{be_default, riak_kv_eleveldb_backend, [
{data_root, "/var/lib/riak/leveldb"}
]},
{be_blocks, riak_kv_bitcask_backend, [
{data_root, "/var/lib/riak/bitcask"}
]}
]},
%% Other configs
]}
ã¢ããªã®èšå®
{eleveldb, [
{total_leveldb_mem_percent, 30}
]},
{riak_kv, [
%% Other configs
{add_paths, ["/usr/lib/riak-cs/lib/riak_cs-2.1.1/ebin"]},
{storage_backend, riak_cs_kv_multi_backend},
{multi_backend_prefix_list, [{<<"0b:">>, be_blocks}]},
{multi_backend_default, be_default},
{multi_backend, [
{be_default, riak_kv_eleveldb_backend, [
{data_root, "/var/lib/riak/leveldb"}
]},
{be_blocks, riak_kv_bitcask_backend, [
{data_root, "/var/lib/riak/bitcask"}
]}
]},
%% Other configs
]}
ãããã®å€ã®å€ãã¯ããªãã¬ãŒãã£ã³ã° ã·ã¹ãã ã«åºæã®ãã£ã¬ã¯ããªã®ããªãšãŒã·ã§ã³ã«äŸåãããããããã«å¿ããŠæ瀺ã«åŸã£ãŠãã ããã ããšãã°ãadd_paths ãªãã·ã§ã³ã¯ Riak CS ã /usr/lib/riak-cs ã«ã€ã³ã¹ããŒã«ãããŠããããšãåæãšããdata_root ãªãã·ã§ã³ã¯ Riak ã /var/lib ã«ã€ã³ã¹ããŒã«ãããŠããããšãåæãšããŠããŸãã (泚: ç§ã®å Žå㯠add_paths - /usr/lib64/riak-cs/ ã§ãã)ã
ãã®æ§æã¯ãRiak CS ã Riak ãšåããã·ã³ã«ã€ã³ã¹ããŒã«ãããŠããããšãåæãšããŠããŸãã ããã§ãªãå Žåã¯ãããã±ãŒãžãå¥ã®ãã¹ãã«ã³ããŒããå¿ èŠããããŸãã
å åŒäœæã®èšå®
ããã§ãallow_mult ãã©ã¡ãŒã¿ã true ã«èšå®ããå¿ èŠããããŸãã riak.conf èšå®ãã¡ã€ã«ã«è¡ãè¿œå ããããadvanced.config ãŸã㯠app.config ã« riak_core ã»ã¯ã·ã§ã³ãè¿œå ã§ããŸãã
RIAK.CONF
buckets.default.allow_mult = true
é«åºŠãªèšå®
{riak_core, [
%% Other configs
{default_bucket_props, [{allow_mult, true}]},
%% Other configs
]}
ã¢ããªã®èšå®
{riak_core, [
%% Other configs
{default_bucket_props, [{allow_mult, true}]},
%% Other configs
]}
ããã«ãããRiak CS ãæ©èœããããã«å¿ èŠãªå åŒãäœæã§ããããã«ãªããŸãã ã¯ã©ã€ã¢ã³ã ã©ã€ãã©ãªã䜿çšã㊠Riak CS ã«æ¥ç¶ããå Žåã¯ãå¿é ããå¿ èŠã¯ãããŸãããRiak CS ã®ãã¹ãŠã®æäœã¯å®çŸ©ã©ããã«å³å¯ã«äžè²«ããŠããããã競åã解決ããå¿ èŠã¯ãããŸããã
å åŒ è€æ°ã®ãªããžã§ã¯ãã XNUMX ã€ã®ããŒã«æ ŒçŽããŠããªããžã§ã¯ããç°ãªãããŒãã§ç°ãªãå€ãæã€ããã«ããæ¹æ³ã§ãã
泚:allow_mult
Riak CS ããµããŒããã Riak ããŒãã§ã¯ãallow_mult ãåžžã« true ã«èšå®ãããŸãã å€ã false ã®å ŽåãRiak CS ã¯èµ·åããªã»ããããŸãã
ãã¹ãåãšIPã¢ãã¬ã¹ã®èšå®
å Riak ããŒãã«ã¯ååããããriak.conf ã® nodename ãªãã·ã§ã³ã§æå®ã§ããŸãã app.config æ§æãã¡ã€ã«ã䜿çšããŠããå Žåã¯ãapp.config ãšåããã£ã¬ã¯ããªã« vm.args ãšãããã¡ã€ã«ãäœæãã-name ãã©ã°ã䜿çšããŠãã¹ãåãæå®ããå¿ èŠããããŸãã ããŒãå㯠@ 圢åŒã§æå®ããããšããå§ãããŸãã ãããã£ãŠã100.0.0.1 ã€ã®ãã¹ã XNUMX äžã§ XNUMX ã€ã®ããŒããå®è¡ãããŠããå Žåã¯ãããããåŒã³åºãããšãã§ããŸãã [ã¡ãŒã«ä¿è·], [ã¡ãŒã«ä¿è·]ãš [ã¡ãŒã«ä¿è·] ãŸãã¯ã次ã®ãããªããå ·äœçãªååãä»ããããšãã§ããŸãã [ã¡ãŒã«ä¿è·], [ã¡ãŒã«ä¿è·] çã ã 以äžã®äŸã¯ããã¹ãåã次ã®ããã«å€æŽããããšã瀺ããŠããŸãã [ã¡ãŒã«ä¿è·]ãããŒã«ã«ãã¹ãäžã§å®è¡ãããŸãã
RIAK.CONF
nodename = [email protected]
VM.ARGS
-name [email protected]
ããŒããèµ·åããŠã¯ã©ã¹ã¿ãŒã«åå ãããåã«ããã¹ãŠã®ããŒãã«ååãä»ããå¿ èŠããããŸãã
ã»ããã¢ãããã¹ã
å¿ èŠãªããŒãèšå®ããã¹ãŠå®äºããã®ã§ãRiak ãèµ·åããŠã¿ãŸãã
SHELL
riak start
泚èšç§ã®å Žåã®çãã¯æ¬¡ã®ãšããã§ãã
ããã§å°ãåŸ
ã€å¿
èŠããããŸãã ãã®åŸãå®è¡äžã®ããŒãã®ãã¹ããéå§ã§ããŸãã
SHELL
riak ping
å¿çããpongãã®å Žåã¯ãRiak ãå®è¡ãããŠããŸããå¿çããããŒãã ping ã«å¿çããŠããŸãããã®å Žåã¯ãäœãåé¡ãçºçããŠããŸãã
泚èšç§ã®å Žåã®çãã¯æ¬¡ã®ãšããã§ãã
ããŒããæ£ããèµ·åããªãã£ãå Žåã¯ãããŒãã® /log ãã£ã¬ã¯ããªã«ãã erlang.log.1 ãã°ã調ã¹ãŠãåé¡ãç¹å®ã§ãããã©ããã確èªããŠãã ããã æãäžè¬çãªãšã©ãŒã® XNUMX ã€ã¯ãinvalid_storage_backend ã§ãã ããã¯ãadvanced.config ãŸã㯠app.config å
ã® Riak CS ã©ã€ãã©ãªãžã®ãã¹ãééã£ãŠãã (ãŸã㯠Riak CS ããµãŒããŒã«ã€ã³ã¹ããŒã«ãããŠããªã) ããšã瀺ããŠããŸãã ãã®ãšã©ãŒãçºçããŠããriak_cs_kv_multi_backend ãã riak_kv_multi_backend ã«å€æŽããŠããªãããšã確èªããŠãã ããã
ãããã³ã«ãããã¡ã䜿çšããããã« Riak ãèšå®ãã
Riak ãããã³ã« ãããã¡èšå®ã¯ãriak.confããŸã㯠/etc/riak/ ãã£ã¬ã¯ããªã«ãã Advanced.config ãŸã㯠app.config ãã¡ã€ã«ã® riak_api ã»ã¯ã·ã§ã³ã«ãããŸãã ããã©ã«ãã§ã¯ããã¹ãã® IP ã¢ãã¬ã¹ã¯ 127.0.0.1ãããŒã㯠8087 ã§ããRiak ããã³ Riak CS ãéããŒã«ã«ç°å¢ã§å®è¡ããå Žåã¯ãããããå€æŽããå¿ èŠããããŸãã 127.0.0.1 ã Riak ãã¹ã IP ã¢ãã¬ã¹ã«çœ®ãæããããŒã 8087 ãé©åãªã¢ãã¬ã¹ã«çœ®ãæããŸãã
RIAK.CONF
listener.protobuf.internal = 10.0.2.10:10001
ã¢ããã³ã¹ã.CONF
{riak_api, [
%% Other configs
{pb, ["10.0.2.10", 10001]},
%% Other configs
]}
ã¢ããªã®èšå®
riak_api, [
%% Other configs
{pb, ["10.0.2.10", 10001]},
%% Other configs
]}
泚æïŒriak.conf ãã¡ã€ã«ã®listener.protobuf.internalãã©ã¡ãŒã¿ã®å€ïŒãŸãã¯advanced.conf/app.configã®pbãã©ã¡ãŒã¿ã®å€ïŒã¯ãRiak CS riak-cs.configã®riak_hostã®å€ãšäžèŽããå¿ èŠããããŸããã¹ã¿ã³ã·ã§ã³ stanchion.conf (ãŸãã¯ããããã Advanced .config/app.config ã® riak_host) ãã¡ã€ã«ã
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ãŸããRiak protobuf.backlog ãµã€ãº (ãŸãã¯ãadvanced.config/app.config ãã¡ã€ã«ã§ã¯ pb_backlog) ããriak-cs 㧠Riak CS ã«æå®ãããŠãã pool.request.size 以äžã§ããããšã確èªããããšããå§ãããŸãã config (ãŸãã¯ãadvanced.config/app.conf ãã¡ã€ã«ã® request_pool_size)ã
Riak CS ã® pool.request.size ã®å€ãå€æŽãããŠããå Žåã¯ãRiak ã® protobuf.backlog ã®å€ãæŽæ°ããå¿ èŠããããŸãã
ãã®ä»ã® Riak èšå®
riak.conf ãã¡ã€ã«ãš Advanced.config ãã¡ã€ã«ã«ã¯ããã° ãã¡ã€ã«ã®äœæãšãã®ä¿åå Žæãæ§æãããã®ä»ã®èšå®ãå«ãŸããŠããŸãã ãããã®èšå®ã«ã¯ããã©ã«ãå€ããããã»ãšãã©ã®å Žåã«æ©èœããŸãã 詳现ã«ã€ããŠã¯ãæ§æãã¡ã€ã«ã«é¢ããããã¥ã¡ã³ããèªãããšããå§ãããŸãã
Riak ã® IP ã¢ãã¬ã¹ã®èšå®
Riak ã® IP ã¢ãã¬ã¹ãèšå®ãããšãã¯ãXNUMX ã€ã®ããŒãã ãã䜿çšããå Žåã§ããã·ã¹ãã ã«ããŒããè¿œå ããå Žåã§ããRiak ããŒãã«äžæã® IP ã¢ãã¬ã¹ãããããšã確èªããå¿ èŠããããŸãã Riak IP ã¢ãã¬ã¹ã¯ãriak.conf ã«å«ãŸããŠããŸãããŸãã¯ãapp.config ãã¡ã€ã«ã䜿çšããŠããå Žåã¯ã/etc/riak ãã£ã¬ã¯ã㪠(ãŸã㯠/opt/riak/etc/) ã«ãã vm.args èšå®ãã¡ã€ã«ã«å«ãŸããŠããŸããä»ã®ãªãã¬ãŒãã£ã³ã° ã·ã¹ãã ã§ã¯)ã
æåã«ãRiak IP ã¢ãã¬ã¹ãå«ãè¡ã¯æ¬¡ã®å Žæã®ããŒã«ã«ãã¹ããæããŠããŸãã
RIAK.CONF
nodename = [email protected]
VM.ARGS
-name [email protected]
127.0.0.1 ããRiak ããŒãã®åªå IP ã¢ãã¬ã¹ãŸãã¯ãã¹ãåã«çœ®ãæããŸãã
ããã©ãŒãã³ã¹ãšåž¯åå¹ ã®èšââå®
ããã©ãŒãã³ã¹äžã®çç±ããã/etc/riak/ ãŸã㯠/opt/riak/etc ãã£ã¬ã¯ããªã«ãã Riak èšå®ãã¡ã€ã« riak.conf ãŸã㯠vm.args ã«å€ãè¿œå ããããšã匷ããå§ãããŸãã
RIAK.CONF
erlang.max_ports = 65536
VM.ARGS
## This setting should already be present for recent Riak installs.
-env ERL_MAX_PORTS 65536
JavaScript MapReduce ã®ç¡å¹å
Riak CS ã®ã©ã®ããŒãžã§ã³ã§ãã¬ã¬ã·ãŒ JavaScript MapReduce ã䜿çšããªãããšããå§ãããŸãã ããã©ãŒãã³ã¹äžã®çç±ããã riak.conf æ§æãã¡ã€ã«ããŸã㯠Advanced.conf ãŸã㯠app.config ã® riak_kv ã»ã¯ã·ã§ã³ã§èšå®ããŠãJavaScript MapReduce æäœãå®è¡ããä»®æ³ãã·ã³ãç¡å¹ã«ããå¿ èŠããããŸãã
RIAK.CONF
javascript.map_pool_size = 0
javascript.reduce_pool_size = 0
javascript.hook_pool_size = 0
é«åºŠãªèšå®
{riak_kv, [
%% Other configs
{map_js_vm_count, 0},
{reduce_js_vm_count, 0},
{hook_js_vm_count, 0}
%% Other configs
]}
ã¢ããªã®èšå®
{riak_kv, [
%% Other configs
{map_js_vm_count, 0},
{reduce_js_vm_count, 0},
{hook_js_vm_count, 0}
%% Other configs
]}
次ã«ãRiak CS ã·ã¹ãã ã®æ®ãã®ã³ã³ããŒãã³ããæ§æããå¿ èŠããããŸãã
åºæïŒ habr.com