gearmand's Introduction

gearmand

golang gearman-job-server clone

Why create a clone?

i like gearmand, but it lacks of 
monitor 
maintainability
rest api

benchmark

some benchmark results(GOMAXPROCS=2):
...
[Total:   4186 jobs/s]

some benchmark results(GOMAXPROCS=1):
...
[4656 jobs/s]


original c version:
...
[5002 jobs/s]


benchmark tools:
gearmand-1.1.12/benchmark$ ./blobslap_client -c 1000 -n 10000
gearmand-1.1.12/benchmark$ ./blobslap_worker

tutorial

how to start gearmand?

./gearmand --addr="0.0.0.0:4730"

how to using redis as storage?

./gearmand --storage=redis --addr="0.0.0.0:4730" --redis="localhost:6379"

how to using mysql as storage?

1. create database
	mysql> create database gogearmand;
	Query OK, 1 row affected (0.00 sec)
	
	mysql> use gogearmand;

2. create table
	mysql> CREATE TABLE job(Handle varchar(128),Id varchar(128),Priority INT, CreateAt TIMESTAMP,FuncName varchar(128),Data varchar(16384)) ENGINE=InnoDB;

./gearmand --storage=mysql --addr="0.0.0.0:4730" --mysql=user:password@tcp(localhost:3306)/gogearmand?parseTime=true

then choose client librarys form

http://gearman.org/download/

how to track stats:

http://localhost:3000/debug/stats

how to list workers by "cando" ?

http://localhost:3000/worker/function

how to list all workers ?

http://localhost:3000/worker

how to query job status ?

http://localhost:3000/job/jobhandle

how to list all jobs ?

http://localhost:3000/job

how to change monitor address ?

export GEARMAND_MONITOR_ADDR=:4567

TODO:

refactor storage and tests

worker timeout (maybe job timeout is a better idea, such as big job)
queue max length limit
more tests
rest api
web monitor
priority
write design documents, data structs