MongoDB开发应用实践
Upcoming SlideShare
Loading in...5
×
 

MongoDB开发应用实践

on

  • 8,765 views

2011qCon上视觉中国MongoDB开发应用实践

2011qCon上视觉中国MongoDB开发应用实践

Statistics

Views

Total Views
8,765
Slideshare-icon Views on SlideShare
6,888
Embed Views
1,877

Actions

Likes
45
Downloads
425
Comments
2

13 Embeds 1,877

http://blog.nosqlfan.com 1452
http://www.webguo.com 332
http://www.softwarematrix.cn 60
http://reader.youdao.com 7
http://cache.baidu.com 7
http://static.slidesharecdn.com 5
http://xianguo.com 4
http://202.108.48.24 4
http://news.uplook.cn 2
http://twitter.com 1
url_unknown 1
http://zhuaxia.com 1
http://www.zhuaxia.com 1
More...

Accessibility

Categories

Upload Details

Uploaded via as Adobe PDF

Usage Rights

© All Rights Reserved

Report content

Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel

12 of 2

  • Full Name Full Name Comment goes here.
    Are you sure you want to
    Your message goes here
    Processing…
Post Comment
Edit your comment

    MongoDB开发应用实践 MongoDB开发应用实践 Presentation Transcript

    • QCon beijing 2011 MongoDB: http://czone.chinavisual.com/art/4b4501548f47e8ef73699a0c.html
    • About.me• ( nightsailer) • @nightsailer //twitter,sina,linkedin, github ... • nightsailer # gmail.com • http://nightsailer.com/
    • MongoDB NoSQL ?Auto-shard ?• No! 08 K/V MySQL
    • App MMM • MySQL Percona Mysql(Master-Master) Master-Master-Slaves • HA:MMMMysql(M1) Mysql(M2) Slave Slave
    • •• schema •••
    • MySQL* JSON • schema •* • schema • query
    • App MMM/vdb11 KV KV1 KV2Mysql(M1) Mysql(M2) Slave Slave
    • Memcached• Memcached• KV
    • • PHP/Perl• Memcached•••
    • • Flare• Repcached• Redis• TC/TT
    • Flare• cluster ,• Memcached
    • 1•• • • • ;-(
    • • Cassandra •• CouchDB •
    • MongoDB• Redis• Document• Redis• MySQL ,• MySQL
    • MySQL MongoDB• MySQL MongoDB• MySQL <=> MongoDB•
    • MySQL• Transaction• Joins•
    • ••1 1 90%• 35 table => 10 collection• happy!
    • MongoDB, GridFS•• • MogileFS
    • MongoDB,• SourceForge•• 10gen mailing-list• NoSQL MongoDB
    • 1• comments:{ _id:ObjectId(‘xxx’), art_id:2, content: ‘ ...’, replied_on: 12233 created_on: 12222 replies: [{ _id: ObjectId(‘xxx’), content: ‘ , ...’, replies:[] }]}
    • 2 / :••• / / ...)•
    • 2• db.activity_stream.feed (• db.activity_stream.user )• db.activity_stream(
    • 2feed• • follower collection • embed list
    • 3: 1: Regex• 2: Sphinx• xml•
    • 3: 3: Array/List ($all)•• PHP-SCWS• : • oplog
    • MongoDB• Scons, Python• boost(CentOS)• static link mongod• tcmalloc
    • • MongoDB( ICCCOMMON_CXXFLAGS=-fp-model source -unroll2 -axSSE4.1,SSE4.2 -xSSE3 -static-intel -fpic -fno-strict-aliasingCXXFLAGS="-O3 -ipo -static-libgcc $COMMON_CXXFLAGS"scons --release --static --extrapath=/opt/local --cxx=$CXX --icc --extralib=tcmalloc_minimal --icc-cxxflags="$CXXFLAGS" --icc-cppflags="$CPPFLAGS" -c $BIN_SERVERscons -j4 --release --static --extrapath=/opt/local --cxx=$CXX --icc--extralib=tcmalloc_minimal --icc-cxxflags="$CXXFLAGS" --icc-cppflags="$CPPFLAGS" $BIN_SERVER
    • ••
    • • Raid10• • XFS • Ext4 (?)
    • PHP-FPM 2009/6, 0.9/1.0 • 1 Master + 2 slaves Nginx Mongod Master) Gearman-workers • 1m • 20g Mongod Slave)Gearman-workers • Dell 2850/4g(Master) 2*Dell 2950/4g(
    • * Slave•* lvm snapshot•• fsync & lock db* mongodump•
    • • mongostat / vmstat / iostat• collectd • : json-rest+perl plugin• Munion / Nagios ...
    • MongoDB • CPU • 4G • IO:http://czone.chinavisual.com/art/4c7918b74979590970b80000.html
    • 6:http://czone.chinavisual.com/art/4b45015496ddabef73f49197.html
    • Why?• Map/Reduce /•• 1.6+ •** reIndex repairDatabase,
    • 0:* MongoDB• Out of Memory!• v1.3* cursor• Perl driver bug,
    • 0: 1:•• 2 2:• driver• driver
    • 1:50x 502 Bad Gateway * GridFS • Perl Plack Starman/Plack Nginx Proxy storeMongoDB Disk Cache * GridFS • Nginx proxy_store •
    • 1:50x504 Gateway timeout • • • Perl nginx_errorlog 5 mongodb.log• client
    • 1:50x 3• XFS pre-allocation FS• for i in {1..50} do echo $i head -c 2146435072 /dev/zero > $db.$i done
    • 2:• Mongod crash• Why? • Map/Reduce / •
    • : http://czone.chinavisual.com/art/4cad0e08497959d621a10000.html
    • • • 10 • MongoDB • Repair 5 • • 10: http://czone.chinavisual.com/art/4cad0e08497959d621a10000.html
    • • MongoDB • • cluster : slave •
    • 1• --syndelay • 60s(default) => 15~30s • IO• fsync •
    • 2• 1.6.3, Master-Slaves RelicaSets • 1 Primary + 2 Secondary• 4g-8g• w=2 •
    • 5••••
    • :http://czone.chinavisual.com/art/4bd19d3b4979593e1a350000.html
    • 4: RS fail-over• MongoDB • Primary kill 2 secondary • secondary
    • 4: RS fail-over• 2 Arbitor • $ mongod --bind_ip 127.0.0.1,192.168.8.10 -- replSet rs10 --oplogSize 1 ... • > rs.addArb(‘192.168.8.10:27020’) • ...
    • 4: RS fail-over 6: ReplicaSet• 1 Primary + 2 Secondary + n Arbitor••
    • •6 “ ” • ;-( •• ReplicaSet fail-over secondary• Primary , •
    • 1.8• 1.8 • journaling file • mongod -dur • crash repairDatabase•
    • • GridFS • 10mb-500mb •
    • • GridFS • Nginx proxy_store• MongoDB• ,Plack app • prefork
    • • GridFS •• slaveOK• Plack app Twiggy AnyEvent
    • Starman workers/PSGI Starman RS02 Nginx Gearman 127.0.0.1:9001 127.0.0.1:9002 127.0.0.1:9003 127.0.0.1:9004 Twiggy/PSGI RS01 (slaveOK)Sencondary
    • •••
    • Primary • Slave only IDCSecondary1 MongoD Secondary2 ReplicaSet1 • priority 0 VPN • VPN 2 IDC Slave1
    • • >300ms • MongoDB
    • • MongoDB • snapshot• • local.oplog.rs ( tailable cursor) • • replay oplog
    • • 2• GridFS• VPN
    • • VPN• GridFS• • BSON HTTP• mongod
    • 7 • • • • unix: http://czone.chinavisual.com/art/4c05e7be4979596b7e570000.html
    • Auto-sharding• 1.6GA Auto-sharding ••2 1 • •
    • • Shard_key • shard key chunk • 4sq • shard_key• counting • chunk• balancer
    • • • shard • shard•• 1.8
    • •• MongoDB auto-shard• GA • 2.0+ ?
    • MongoDB• MySQL Web• Schema free• Geo• MySQL• GridFS• sharding• Auto-sharding shared_key balancing 1.8/2.0
    • Question? :http://czone.chinavisual.com/art/4b45015461be3def730e6351.html