CN106547910A - Moosefs realizes the multistage storage method of file based on Tachyon - Google Patents
Moosefs realizes the multistage storage method of file based on Tachyon Download PDFInfo
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- CN106547910A CN106547910A CN201611053775.0A CN201611053775A CN106547910A CN 106547910 A CN106547910 A CN 106547910A CN 201611053775 A CN201611053775 A CN 201611053775A CN 106547910 A CN106547910 A CN 106547910A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0875—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches with dedicated cache, e.g. instruction or stack
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/172—Caching, prefetching or hoarding of files
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- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The present invention provides a kind of moosefs and realizes the multistage storage method of file based on Tachyon, belong to cloud storage, big data field, the present invention is by introducing Tachyon internal memory distributed file systems in MooseFS file system, the file existed in tachyon can be accessed in cluster to access the speed of internal memory, Tachyon is a kind of middleware of the framework between the distributed document storage of the bottom and the various Computational frames on upper strata.Major responsibility is that those need not be landed the file in distributed disk file system, lands in distributed memory file system, reaches shared drive, so as to improve efficiency.Memory redundancy, GC times etc. can be reduced simultaneously.Can also easily dock with the map reduce and spark computation models of hadoop.
Description
Technical field
The present invention relates to based on Tachyon, cloud storage, big data field, more particularly to a kind of moosefs realize that file is more
Level storage method.
Background technology
MooseFS is a network distributed file system.It is dispersed in data on multiple servers, but for user
For, it is seen that a simply source.MFS is the same also like other class unix file system, contains hierarchical structure（Directory tree）, deposit
Store up file attribute（Authority, finally accesses and modification time）, special file can be created（Block device, character device, pipe
Road, socket）, Symbolic Links, hard link.
The advantage of MooseFS:
1. can be extremely strong with on-line rapid estimation, architectural framework scalability.
2. dispose simple.Universal document system, it is not necessary to which changing upper layer application can be to use (support fuse).But
The kernel of some early versions, such as 5.4 may once need to increase fuse modules
3. architectural framework High Availabitity, except master components are without Single Point of Faliure.
4. file object High Availabitity, can arrange arbitrary file redundancy degree (three copies), and can never affect to read or
The performance that person writes.
5. the function of Windows recycle bins is provided.
6. the GC (garbage reclamation) of similar Java language is provided.
7. the snapshot characteristics of business storage such as netapp, emc, ibm are provided.
8. web gui monitoring interfaces are provided.
MooseFS distributed file storage systems are ripe, stablize famous, though have many advantages, such as above, its read-write
Performance is barely satisfactory all the time, and its performance is far below HDFS, glusterFS distributed file system.
MooseFS shortcomings:
1. it is used for depositing input and the MooseFS of output data is located in a long-range storage cluster.Local computing cluster with
There is higher network delay in long-range storage cluster, frequently teledata exchanges the big bottleneck for becoming whole stream process process
2., based on disk during the design of MooseFS, its I/O performance is especially write data performance and is difficult to meet streaming calculating
Required time delay.
The content of the invention
In order to solve the problem, the present invention proposes a kind of moosefs and realizes the multistage storage side of file based on Tachyon
Method.
Tachyon is introduced MooseFS, using the virtual distributed memory system that center is saved as within it, and will be many
The upper strata of sample, Computational frame and bottom storage system are coupled together, universal data access mode, improve MooseFS read-writes
Performance, and in the docking of the Computational frames such as ripe Spark, MapReduce.
Moosefs realizes the multistage storage method of file based on Tachyon, and Tachyon is introduced MooseFS, using it with
Virtual distributed memory system centered on internal memory, and diversified upper strata, Computational frame and bottom storage system are connected
Get up, universal data access mode improves MooseFS readwrite performances, and in calculation blocks such as ripe Spark, MapReduce
Frame is docked.
MooseFS is realized based on fuse, and after MFS Client ends have set mount point, Tachyon just can be as operation
Linux generic-documents system equally operates MooseFS.
Step is as follows：
1）Download and Tachyon is installed
$ wget http://tachyon-project.org/downloads/tachyon-0.3.0-bin.tar.gz
$ tar xvfz tachyon-0.3.0-bin.tar.gz
2）Configuration local file system
TACHYON_UNDERFS_ADDRESS parameters in modification conf/tachyon-env.sh,
cp conf/tachyon-env.sh.template conf/tachyon-env.sh
export TACHYON_UNDERFS_ADDRESS=/home/smallb/tachyon-0.3.0/tmp
3）Initialization and startup
$ ./bin/format.sh
$ ./bin/start.sh local。
The storage characteristics that center is saved as within Tachyon causes the data access speed of upper layer application than existing conventional scheme
Fast several orders of magnitude.
Tachyon mainly includes to the value that whole stream processing system brings:
1. it is using the Bedding storage characteristic of Tachyon, comprehensive to use the various storage resources of internal memory, SSD and disk.
The cache policies such as LRU, the LFU provided by Tachyon can ensure that dsc data is maintained in internal memory,
Cold data is then persisted in the level2 even storage devices of level3；And MooseFS is standby as long-term file
Part system.
2. the characteristic of multiple Computational frames is supported using Tachyon, Spark and Zeppelin are realized by Tachyon
Deng the data sharing between Computational frame, and reach the file transfer rate of internal memory level；Additionally, we plan Flink and
Presto business migrations are on Tachyon.
3., using the naming space characteristic of Tachyon, long-range MooseFS bottom storage systems are easily managed,
And unified NameSpace is provided to upper strata, Computational frame can unify the different data source of access by Tachyon with application
Data.
4. the various wieldy API for being provided using Tachyon, reduces the learning cost of user, convenient by originally
Whole system migrate to Tachyon, while also cause adjustment verification process become light many.
5. Tachyon and Spark has closely combination, and key data is stored in by we in Spark Streaming
In Tachyon rather than in the JVM of Spark executor, as storage location is equally local memory, therefore will not drag slow
The performance of data processing, can reduce the expense of Java GC on the contrary.Meanwhile, this way is it also avoid because of number on same node
The internal memory caused according to the redundancy of block overflows.The intermediate result that SparkSteaming is also calculated by we is i.e. to RDD's
Checkpoint is stored on Tachyon.
Description of the drawings
Fig. 1 is the topological diagram of present system；
Fig. 2 is Tachyon fundamental diagrams.
Specific embodiment
More detailed elaboration is carried out to present disclosure below：
The present invention by MooseFS file system introduce Tachyon internal memory distributed file systems, can in cluster with
Access the speed of internal memory to access the file existed in tachyon, Tachyon is that framework is stored in the distributed document of the bottom
A kind of middleware and the various Computational frames on upper strata between.Major responsibility is that those need not be landed distributed disk text
File in part system, lands in distributed memory file system, reaches shared drive, so as to improve efficiency.Simultaneously can
To reduce memory redundancy, GC times etc..Can also easily dock with the map reduce and spark computation models of hadoop.
MooseFS is realized based on fuse, and after MFS Client ends have set mount point, Tachyon just can be as operation
Linux generic-documents system equally operates MooseFS, and this brings great convenience to deployment enforcement
Step is described
1 downloads installation Tachyon
$ wget http://tachyon-project.org/downloads/tachyon-0.3.0-bin.tar.gz
$ tar xvfz tachyon-0.3.0-bin.tar.gz
2 configuration local file systems
TACHYON_UNDERFS_ADDRESS parameters in modification conf/tachyon-env.sh, such as:
cp conf/tachyon-env.sh.template conf/tachyon-env.sh
export TACHYON_UNDERFS_ADDRESS=/home/smallb/tachyon-0.3.0/tmp
3 initialization and startup
$ ./bin/format.sh
$ ./bin/start.sh local。
Claims (3)
1.moosefs realizes the multistage storage method of file based on Tachyon, it is characterised in that Tachyon is introduced MooseFS,
Using the virtual distributed memory system that center is saved as within it, and diversified upper strata, Computational frame and bottom are stored
System is coupled together, universal data access mode, improves MooseFS readwrite performances, and in ripe Spark, MapReduce
Dock Deng Computational frame.
2. method according to claim 1, it is characterised in that
MooseFS is realized based on fuse, and after MFS Client ends have set mount point, Tachyon just can be as operating Linux mono-
As file system equally operate MooseFS.
3. method according to claim 2, it is characterised in that
Step is as follows：
1）Download and Tachyon is installed
$ wget http://tachyon-project.org/downloads/tachyon-0.3.0-bin.tar.gz
$ tar xvfz tachyon-0.3.0-bin.tar.gz
2）Configuration local file system
TACHYON_UNDERFS_ADDRESS parameters in modification conf/tachyon-env.sh,
cp conf/tachyon-env.sh.template conf/tachyon-env.sh
export TACHYON_UNDERFS_ADDRESS=/home/smallb/tachyon-0.3.0/tmp
3）Initialization and startup
$ ./bin/format.sh
$ ./bin/start.sh local。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611053775.0A CN106547910A (en) | 2016-11-25 | 2016-11-25 | Moosefs realizes the multistage storage method of file based on Tachyon |
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| CN201611053775.0A CN106547910A (en) | 2016-11-25 | 2016-11-25 | Moosefs realizes the multistage storage method of file based on Tachyon |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107220348A (en) * | 2017-05-27 | 2017-09-29 | 郑州云海信息技术有限公司 | A kind of method of data capture based on Flume and Alluxio |
| CN107483571A (en) * | 2017-08-08 | 2017-12-15 | 柏域信息科技（上海）有限公司 | A kind of dynamic cloud storage method and system |
| CN109740765A (en) * | 2019-01-31 | 2019-05-10 | 成都品果科技有限公司 | A kind of machine learning system building method based on Amazon server |
| CN111736776A (en) * | 2020-06-24 | 2020-10-02 | 杭州海康威视数字技术股份有限公司 | Data storage and reading method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103268252A (en) * | 2013-05-12 | 2013-08-28 | 南京载玄信息科技有限公司 | Virtualization platform system based on distributed storage and achieving method thereof |
| CN103747064A (en) * | 2013-12-26 | 2014-04-23 | 广东中科遥感技术有限公司 | Mounting method, client and system based on MooseFS distributed file system |
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| CN103268252A (en) * | 2013-05-12 | 2013-08-28 | 南京载玄信息科技有限公司 | Virtualization platform system based on distributed storage and achieving method thereof |
| CN103747064A (en) * | 2013-12-26 | 2014-04-23 | 广东中科遥感技术有限公司 | Mounting method, client and system based on MooseFS distributed file system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107220348A (en) * | 2017-05-27 | 2017-09-29 | 郑州云海信息技术有限公司 | A kind of method of data capture based on Flume and Alluxio |
| CN107483571A (en) * | 2017-08-08 | 2017-12-15 | 柏域信息科技（上海）有限公司 | A kind of dynamic cloud storage method and system |
| CN109740765A (en) * | 2019-01-31 | 2019-05-10 | 成都品果科技有限公司 | A kind of machine learning system building method based on Amazon server |
| CN109740765B (en) * | 2019-01-31 | 2023-05-02 | 成都品果科技有限公司 | Machine learning system building method based on Amazon network server |
| CN111736776A (en) * | 2020-06-24 | 2020-10-02 | 杭州海康威视数字技术股份有限公司 | Data storage and reading method and device |
| CN111736776B (en) * | 2020-06-24 | 2023-10-10 | 杭州海康威视数字技术股份有限公司 | Data storage and reading method and device |
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