High Performance Object Storage for AI
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2016-07-01 11:44:07 -07:00
.github Created ISSUE_TEMPLATE with basic information 2016-06-03 10:31:08 +05:30
buildscripts filter GOPATH from stack trace (#1755) 2016-05-25 02:32:35 -07:00
docs XL: Rename objectN to part.N (#2019) 2016-06-27 21:42:33 -07:00
pkg bitrot: Start using blake2b algorithm and remove sha512 usage. (#1957) 2016-06-22 17:13:26 -07:00
vendor XL/bitrot: Migrate to new blake2b-simd SIMD optimized implementation. (#2031) 2016-06-29 02:06:35 -07:00
.gitignore Remove binary files from previous commit. 2016-05-10 15:49:17 -07:00
.mailmap Update AB's duplicate email address 2015-08-20 16:10:01 -07:00
.mention-bot Add mention-bot config 2016-05-20 13:53:15 -07:00
.travis.yml cleanup: Remove old donut/xl code and erasure implementation. 2016-04-02 17:30:35 -07:00
access-key.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
accesslog-handler.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
api-datatypes.go api: verify Location constraint for make bucket. (#1342) 2016-04-20 17:35:38 -07:00
api-errors.go api: Sent ErrPreconditionFailed on If-Match failure (#2009) 2016-06-28 01:18:18 -07:00
api-headers_test.go handlers: Cleanup time handlers helpers. 2016-03-07 10:47:45 -08:00
api-headers.go refactor: refactor code to separate fs into object-layer and fs layer. (#1305) 2016-04-16 16:25:53 -07:00
api-resources.go List Objects version 2. (#1815) 2016-05-31 22:10:55 -07:00
api-response-multipart.go API: add writePartTooSmallErrorResponse to extend standard error responses. (#2005) 2016-06-28 14:51:49 -07:00
api-response.go Send XML header before the first of whitespace chars (#2046) 2016-06-30 18:48:50 -07:00
api-router.go xl/fs: Split object layer into interface. (#1415) 2016-04-29 14:24:10 -07:00
appveyor.yml cleanup: Remove old donut/xl code and erasure implementation. 2016-04-02 17:30:35 -07:00
auth-handler.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
AWS-SDK-GO.md doc: Cleanup aws-sdk-go.md 2015-11-23 13:53:55 -08:00
benchmark-utils_test.go Benchmarks for ObjectLayer.PutObject() (#2029) 2016-06-28 22:12:36 -07:00
bucket-handlers.go List Objects version 2. (#1815) 2016-05-31 22:10:55 -07:00
bucket-policy-handlers_test.go api/bucket-policy: Add unit tests for more coverage, fixes couple of bugs. (#2055) 2016-06-30 23:49:59 -07:00
bucket-policy-handlers.go api/bucket-policy: Add unit tests for more coverage, fixes couple of bugs. (#2055) 2016-06-30 23:49:59 -07:00
bucket-policy-parser_test.go api/bucket-policy: Add unit tests for more coverage, fixes couple of bugs. (#2055) 2016-06-30 23:49:59 -07:00
bucket-policy-parser.go api/bucket-policy: Add unit tests for more coverage, fixes couple of bugs. (#2055) 2016-06-30 23:49:59 -07:00
bucket-policy.go server: Deadcode removal. (#1517) 2016-05-07 21:47:33 -07:00
build-constants.go filter GOPATH from stack trace (#1755) 2016-05-25 02:32:35 -07:00
Caddy.md Update Caddy.md 2016-03-14 20:51:16 -07:00
certs.go getCertsPath should use getConfigPath instead of defaulting to users homedir. (#2039) 2016-06-30 15:49:18 -07:00
commands.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
config-migrate.go posix: Support UNC paths on windows. (#1887) 2016-06-13 02:53:09 -07:00
config-old.go quick/config: No need to use Data() with type assertion. (#1480) 2016-05-04 20:22:15 -07:00
config-v4.go quick/config: No need to use Data() with type assertion. (#1480) 2016-05-04 20:22:15 -07:00
config.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
CONTRIBUTING.md Minor changes to CONTIRBUTING.md instructions (#1403) 2016-04-27 16:57:16 -07:00
damerau-levenshtein.go xl: Moved to minio/minio - fixes #1112 2016-02-11 15:43:36 -08:00
Docker.md docker: Update docker document 2016-04-15 17:40:56 -07:00
Dockerfile New Dockerfile for building & running minio inside Docker (inc. autobuild support) (#1473) (#1485) 2016-05-04 17:07:19 -07:00
erasure_test.go XL: Change minimum disks supported to 6 now. (#2023) 2016-06-29 02:05:29 -07:00
erasure-createfile.go bitrot: Start using blake2b algorithm and remove sha512 usage. (#1957) 2016-06-22 17:13:26 -07:00
erasure-readfile.go XL/erasure: refactor erasureReadFile. Move parallelRead into a separate function. (#2008) 2016-06-27 13:24:55 -07:00
erasure-utils.go XL/bitrot: Migrate to new blake2b-simd SIMD optimized implementation. (#2031) 2016-06-29 02:06:35 -07:00
format-config-v1_test.go XL/format: Fix a bug in checkDisksConsistency. (#1894) 2016-06-14 01:12:15 -07:00
format-config-v1.go XL: Implement new ReadAll API for files which are read in single call. (#1974) 2016-06-25 14:51:06 -07:00
FreeBSD.md docs: FreeBSD minio source intructions (#1421) 2016-04-29 13:35:20 -07:00
fs-v1_test.go XL/fs: Initialize export paths supplied on command line (#2020) 2016-06-29 03:13:44 -07:00
fs-v1-metadata.go XL: Relax write quorum further to N/2 + 1. (#2018) 2016-06-29 02:10:40 -07:00
fs-v1-multipart-common.go XL: Relax write quorum further to N/2 + 1. (#2018) 2016-06-29 02:10:40 -07:00
fs-v1-multipart.go XL: Relax write quorum further to N/2 + 1. (#2018) 2016-06-29 02:10:40 -07:00
fs-v1.go XL/fs: Initialize export paths supplied on command line (#2020) 2016-06-29 03:13:44 -07:00
generic-handlers.go Fix formatting for adding ETag for exposed headers (#1687) 2016-05-18 19:17:17 -07:00
globals.go getCertsPath should use getConfigPath instead of defaulting to users homedir. (#2039) 2016-06-30 15:49:18 -07:00
handler-utils_test.go Cleanup: Moving IsValidLocationContraint to handler utils 2016-04-28 20:01:11 -07:00
handler-utils.go Cleanup: Moving IsValidLocationContraint to handler utils 2016-04-28 20:01:11 -07:00
httprange.go XL: Rename, cleanup and add more comments. (#1769) 2016-05-28 15:15:53 -07:00
INSTALLGO.md INSTALLGO.md mentions Go 1.5+ for OS X (#1936) 2016-06-20 06:17:57 -07:00
LICENSE Initial commit 2014-10-30 21:51:52 -07:00
logger_test.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
logger-console-hook.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
logger-file-hook.go posix: Mkdir() and OpenFile() should honor umask. (#1972) 2016-06-23 20:19:27 -07:00
logger-syslog-hook_nix.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
logger-syslog-hook_windows.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
logger.go filter GOPATH from stack trace (#1755) 2016-05-25 02:32:35 -07:00
main_test.go Migrate this project to minio micro services code 2015-10-16 11:26:08 -07:00
main.go main: minio --help should print regardless of root. (#1985) 2016-06-26 03:03:52 -07:00
MAINTAINERS.md build: Add release builds, now generated with 'make release' 2016-02-23 15:14:02 -08:00
Makefile docker: Remove unneeded docker files and makefile tags. 2016-06-21 15:31:30 -07:00
namespace-lock_test.go lock: Add unit tests for namespace lock (#1922) 2016-06-22 12:27:47 -07:00
namespace-lock.go XL: Cleanup, comments and all the updated functions. (#1830) 2016-06-01 16:43:31 -07:00
NOTICE Fix typo 2016-03-09 13:55:58 +01:00
notifier.go server: terminal width should fallback to 80x25. (#1895) 2016-06-12 19:35:28 -07:00
object_api_suite_test.go Fix for tests leaving out temp directories (#2025) 2016-06-28 04:21:52 -07:00
object-api_test.go Fix for tests leaving out temp directories (#2025) 2016-06-28 04:21:52 -07:00
object-api-getobjectinfo_test.go Benchmarks for ObjectLayer.PutObject() (#2029) 2016-06-28 22:12:36 -07:00
object-api-listobjects_test.go posix: Support UNC paths on windows. (#1887) 2016-06-13 02:53:09 -07:00
object-api-multipart_test.go XL: Relax write quorum further to N/2 + 1. (#2018) 2016-06-29 02:10:40 -07:00
object-api-putobject_test.go XL: allow meta bucket name appended with tmp meta prefix. (#2007) 2016-06-29 02:28:46 -07:00
object-common.go fs: Fix GetObject failure to read large blocks. (#1982) 2016-06-25 03:03:27 -07:00
object-datatypes.go docs: Add comments for each data types. (#1881) 2016-06-09 06:24:11 -07:00
object-errors.go API: add writePartTooSmallErrorResponse to extend standard error responses. (#2005) 2016-06-28 14:51:49 -07:00
object-handlers.go Send XML header before the first of whitespace chars (#2046) 2016-06-30 18:48:50 -07:00
object-interface.go XL: bring in new storage API. (#1780) 2016-05-28 16:12:51 -07:00
object-multipart-common.go XL: Relax write quorum further to N/2 + 1. (#2018) 2016-06-29 02:10:40 -07:00
object-utils_test.go Validation: Reject object names with trailing "/". (#1619) 2016-05-13 11:43:06 -07:00
object-utils.go XL: bring in new storage API. (#1780) 2016-05-28 16:12:51 -07:00
posix_test.go posix: remove disk free space check for read-only and delete methods. (#2033) 2016-06-29 11:25:35 -07:00
posix-dirent-fileno.go xl/fs: Split object layer into interface. (#1415) 2016-04-29 14:24:10 -07:00
posix-dirent-ino.go xl/fs: Split object layer into interface. (#1415) 2016-04-29 14:24:10 -07:00
posix-list-dir_test.go posix: Re-do tests for readDir(). (#1996) 2016-06-26 19:31:53 -07:00
posix-list-dir-nix.go logging: Log only for unhandled errors, remove all the debug logging. (#1652) 2016-05-16 14:31:28 -07:00
posix-list-dir-others.go posix: Re-do tests for readDir(). (#1996) 2016-06-26 19:31:53 -07:00
posix-prepare-path.go posix: Support UNC paths on windows. (#1887) 2016-06-13 02:53:09 -07:00
posix-utils_common.go posix: Support UNC paths on windows. (#1887) 2016-06-13 02:53:09 -07:00
posix-utils_nix_test.go posix: Mkdir() and OpenFile() should honor umask. (#1972) 2016-06-23 20:19:27 -07:00
posix-utils_nix.go XL: allow meta bucket name appended with tmp meta prefix. (#2007) 2016-06-29 02:28:46 -07:00
posix-utils_test.go XL: allow meta bucket name appended with tmp meta prefix. (#2007) 2016-06-29 02:28:46 -07:00
posix-utils_windows_test.go posix: Mkdir() and OpenFile() should honor umask. (#1972) 2016-06-23 20:19:27 -07:00
posix-utils_windows.go posix-utils: fix path handling in windows. (#2053) 2016-07-01 11:44:07 -07:00
posix.go posix: remove disk free space check for read-only and delete methods. (#2033) 2016-06-29 11:25:35 -07:00
rate-limit-handler.go server: Add connection rate limiter for server. (#1977) 2016-06-26 03:18:07 -07:00
README.md Add erasure code. 2016-06-03 12:50:36 -07:00
routers.go server: Add connection rate limiter for server. (#1977) 2016-06-26 03:18:07 -07:00
rpc-client.go Misspell warnings fix (#2001) 2016-06-26 22:05:48 -07:00
rpc-server-datatypes.go XL: Implement new ReadAll API for files which are read in single call. (#1974) 2016-06-25 14:51:06 -07:00
rpc-server.go XL: Implement new ReadAll API for files which are read in single call. (#1974) 2016-06-25 14:51:06 -07:00
runtime-checks.go main: minio --help should print regardless of root. (#1985) 2016-06-26 03:03:52 -07:00
server_test.go adding detailed comments to server_test (#2032) 2016-06-29 02:30:36 -07:00
server_utils_test.go xl/tests: Enable server handler tests over XL. (#1512) 2016-05-06 16:47:23 -07:00
server_xl_test.go adding detailed comments to server_test (#2032) 2016-06-29 02:30:36 -07:00
server-main.go server: Minor command line doc change for XL. (#2022) 2016-06-29 02:05:57 -07:00
server-rlimit-nix.go server: Set rLimit properly to the max. (#1676) 2016-05-18 11:34:24 -07:00
server-rlimit-win.go server: Attempt to increase max open files. (#1328) 2016-04-18 22:05:32 -07:00
signals.go FS: remove .minio directory if .minio/multipart is empty. (#1899) 2016-06-16 08:50:38 +05:30
signature-jwt.go xl/fs: Split object layer into interface. (#1415) 2016-04-29 14:24:10 -07:00
signature-v4-parser.go error: Signature errors should be returned with APIErrorCode. 2016-03-31 23:28:40 -07:00
signature-v4-postpolicyform.go fs: Handle cases of PutObject for an existing prefix. (#1478) 2016-05-04 12:18:40 -07:00
signature-v4-utils.go Replacing fastsha256 with crypto/sha256 package from golang standard package (#1584) 2016-05-10 14:20:11 -07:00
signature-v4.go Replacing fastsha256 with crypto/sha256 package from golang standard package (#1584) 2016-05-10 14:20:11 -07:00
storage-datatypes.go docs: Add comments for each data types. (#1881) 2016-06-09 06:24:11 -07:00
storage-errors.go XL: Bring in some modularity into format verification and healing. (#1832) 2016-06-02 16:34:15 -07:00
storage-interface.go XL: Implement new ReadAll API for files which are read in single call. (#1974) 2016-06-25 14:51:06 -07:00
test-utils_test.go XL/fs: Initialize export paths supplied on command line (#2020) 2016-06-29 03:13:44 -07:00
tree-walk_test.go Added unit-tests for treeWalkPool (#1969) 2016-06-28 22:32:00 -07:00
tree-walk-fs.go Moved tree-walk-fs to use tree-walk-pool (#1978) 2016-06-24 16:41:57 -07:00
tree-walk-pool_test.go Added unit-tests for treeWalkPool (#1969) 2016-06-28 22:32:00 -07:00
tree-walk-pool.go XL/tree-walk: Added comments, changed variable names and structure fields to improve code readability. (#1856) 2016-06-05 11:55:45 -07:00
tree-walk-xl.go posix: return errFaultyDisk on I/O errors. (#1885) 2016-06-08 22:02:10 -07:00
trie.go Add trie to verify wrong inputs, and provide meaningful messages 2015-09-17 16:49:08 -07:00
typed-errors.go UI-handler: remove minio-go dependancy. 2016-04-01 13:56:32 +05:30
update-main.go server: terminal width should fallback to 80x25. (#1895) 2016-06-12 19:35:28 -07:00
utils.go Part ID check (#1730) 2016-05-24 01:52:47 -07:00
version_test.go Move all server and controller packages into top-level 2015-09-19 01:07:42 -07:00
version-main.go console: Fix console color printing on windows. 2016-03-04 10:07:19 -08:00
web-handlers.go XL: bring in new storage API. (#1780) 2016-05-28 16:12:51 -07:00
web-router.go xl/fs: Split object layer into interface. (#1415) 2016-04-29 14:24:10 -07:00
xl-v1_test.go XL/fs: Initialize export paths supplied on command line (#2020) 2016-06-29 03:13:44 -07:00
xl-v1-bucket.go XL: Remove usage of reduceErr and make it isQuorum verification. (#1909) 2016-06-18 00:27:51 +05:30
xl-v1-common.go posix: return errFaultyDisk on I/O errors. (#1885) 2016-06-08 22:02:10 -07:00
xl-v1-healing.go XL: Handle quorum situations properly for write operations. (#1986) 2016-06-27 10:01:09 -07:00
xl-v1-list-objects.go XL/listObjects: Ignore entry if getObjectInfo() returns errFileNotFound (#2004) 2016-06-26 22:10:22 -07:00
xl-v1-metadata_test.go XL: Rename objectN to part.N (#2019) 2016-06-27 21:42:33 -07:00
xl-v1-metadata.go XL: Relax write quorum further to N/2 + 1. (#2018) 2016-06-29 02:10:40 -07:00
xl-v1-multipart-common.go Ignored errors in cleanup in commitXLMetadata (#2044) 2016-06-30 16:37:51 -07:00
xl-v1-multipart.go xl: Used unique tmp file to update xl.json in putObjectPart (#2043) 2016-06-30 16:28:01 -07:00
xl-v1-object_test.go Added couple of unit-tests to xlObjects (#1950) 2016-06-21 15:48:27 -07:00
xl-v1-object.go XL: allow meta bucket name appended with tmp meta prefix. (#2007) 2016-06-29 02:28:46 -07:00
xl-v1-utils.go XL: Implement new ReadAll API for files which are read in single call. (#1974) 2016-06-25 14:51:06 -07:00
xl-v1.go XL/fs: Initialize export paths supplied on command line (#2020) 2016-06-29 03:13:44 -07:00

Minio Gitter

Minio is an object storage server compatible with Amazon S3 and licensed under Apache license 2.0.

Description

Minio is an open source object storage server released under Apache License V2. It is compatible with Amazon S3 cloud storage service. Minio follows a minimalist design philosophy. Minio is light enough to be bundled with the application stack. It sits on the side of NodeJS, Redis, MySQL and the likes. Unlike databases, Minio stores objects such as photos, videos, log files, backups, container / VM images and so on. Minio is best suited for storing blobs of information ranging from KBs to 5 TBs each. In a simplistic sense, it is like a FTP server with a simple get / put API over HTTP.

Minio currently implements two backends

  • Filesystem (FS) - is available and ready for general purpose use.
  • ErasureCoded (XL) - is available, but it is not ready for general purpose use.

Minio Client

Minio Client (mc) provides a modern alternative to Unix commands like ls, cat, cp, sync, and diff. It supports POSIX compatible filesystems and Amazon S3 compatible cloud storage systems. It is entirely written in Golang.

Amazon S3 Compatible Client Libraries

Install Build StatusBuild status

GNU/Linux

Download minio for:

$ chmod +x minio
$ ./minio --help

OS X

Download minio from https://dl.minio.io/server/minio/release/darwin-amd64/minio

$ chmod 755 minio
$ ./minio --help

Microsoft Windows

Download minio for:

C:\Users\Username\Downloads> minio.exe --help

FreeBSD

Download minio from https://dl.minio.io/server/minio/release/freebsd-amd64/minio

$ chmod 755 minio
$ ./minio --help

Read more here on How to configure Minio on FreeBSD with ZFS backend.

Docker container

Download minio for docker.

$ docker pull minio/minio

Read more here on How to configure data volume containers for Minio?

Source

NOTE: Source installation is intended for only developers and advanced users. For general use, please download official releases from https://minio.io/downloads.

If you do not have a working Golang environment, please follow Install Golang.

$ go get -d github.com/minio/minio
$ cd $GOPATH/src/github.com/minio/minio
$ make

How to use Minio?

Start minio server.

$ minio server ~/Photos

AccessKey: WLGDGYAQYIGI833EV05A  SecretKey: BYvgJM101sHngl2uzjXS/OBF/aMxAN06JrJ3qJlF  Region: us-east-1

Minio Object Storage:
    http://127.0.0.1:9000
    http://10.1.10.177:9000

Minio Browser:
    http://127.0.0.1:9000
    http://10.1.10.177:9000

To configure Minio Client:
    $ wget https://dl.minio.io/client/mc/release/darwin-amd64/mc
    $ chmod 755 mc
    $ ./mc config host add myminio http://localhost:9000 WLGDGYAQYIGI833EV05A BYvgJM101sHngl2uzjXS/OBF/aMxAN06JrJ3qJlF

How to use AWS CLI with Minio?

This section assumes that you have already installed aws-cli, if not please visit https://aws.amazon.com/cli/

To configure aws-cli, type aws configure and follow below steps.

$ aws configure
AWS Access Key ID [None]: YOUR_ACCESS_KEY_HERE
AWS Secret Access Key [None]: YOUR_SECRET_KEY_HERE
Default region name [None]: us-east-1
Default output format [None]: ENTER

Additionally enable aws-cli to use AWS Signature Version '4' for Minio server.

$ aws configure set default.s3.signature_version s3v4

To list your buckets.

$ aws --endpoint-url http://localhost:9000 s3 ls
2016-03-27 02:06:30 deebucket
2016-03-28 21:53:49 guestbucket
2016-03-29 13:34:34 mbtest
2016-03-26 22:01:36 mybucket
2016-03-26 15:37:02 testbucket

To list contents inside bucket.

$ aws --endpoint-url http://localhost:9000 s3 ls s3://mybucket
2016-03-30 00:26:53      69297 argparse-1.2.1.tar.gz
2016-03-30 00:35:37      67250 simplejson-3.3.0.tar.gz

To make a bucket.

$ aws --endpoint-url http://localhost:9000 s3 mb s3://mybucket
make_bucket: s3://mybucket/

To add an object to a bucket.

$ aws --endpoint-url http://localhost:9000 s3 cp simplejson-3.3.0.tar.gz s3://mybucket
upload: ./simplejson-3.3.0.tar.gz to s3://mybucket/simplejson-3.3.0.tar.gz

Delete an object from a bucket.

$ aws --endpoint-url http://localhost:9000 s3 rm s3://mybucket/argparse-1.2.1.tar.gzdelete: s3://mybucket/argparse-1.2.1.tar.gz

Remove a bucket.

$ aws --endpoint-url http://localhost:9000 s3 rb s3://mybucket
remove_bucket: s3://mybucket/

How to use AWS SDK with Minio?

Please follow the documentation here - Using aws-sdk-go with Minio server

How to use s3cmd with Minio?

This section assumes that you have already installed s3cmd, if not please visit http://s3tools.org/s3cmd

Edit the following fields in your s3cmd configuration file ~/.s3cfg .

host_base = localhost:9000
host_bucket = localhost:9000
access_key = YOUR_ACCESS_KEY_HERE
secret_key = YOUR_SECRET_KEY_HERE
signature_v2 = False
bucket_location = us-east-1

To make a bucket.

$ s3cmd mb s3://mybucket
Bucket 's3://mybucket/' created

To copy an object to bucket.

$ s3cmd put newfile s3://testbucket
upload: 'newfile' -> 's3://testbucket/newfile'  

To copy an object to local system.

$ s3cmd get s3://testbucket/newfile
download: 's3://testbucket/newfile' -> './newfile'

To sync local file/directory to a bucket.

$ s3cmd sync newdemo s3://testbucket
upload: 'newdemo/newdemofile.txt' -> 's3://testbucket/newdemo/newdemofile.txt'

To sync bucket or object with local filesystem.

$ s3cmd sync  s3://otherbucket otherlocalbucket
download: 's3://otherbucket/cat.jpg' -> 'otherlocalbucket/cat.jpg'

To list buckets.

$ s3cmd ls s3://
2015-12-09 16:12  s3://testbbucket

To list contents inside bucket.

$ s3cmd ls s3://testbucket/
                       DIR   s3://testbucket/test/
2015-12-09 16:05    138504   s3://testbucket/newfile

Delete an object from bucket.

$ s3cmd del s3://testbucket/newfile
delete: 's3://testbucket/newfile'

Delete a bucket.

$ s3cmd rb s3://testbucket
Bucket 's3://testbucket/' removed

Contribute to Minio Project

Please follow Minio Contributor's Guide

Jobs

If you think in Lisp or Haskell and hack in go, you would blend right in. Send your github link to callhome@minio.io.