mirror of
https://github.com/seaweedfs/seaweedfs.git
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61 lines
1.3 KiB
Go
61 lines
1.3 KiB
Go
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package mysql_store
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import (
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"encoding/json"
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"hash/crc32"
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"testing"
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)
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/*
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To improve performance when storing billion of files, you could shar
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At each mysql instance, we will try to create 1024 tables if not exist, table name will be something like:
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filer_mapping_0000
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filer_mapping_0001
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.....
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filer_mapping_1023
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sample conf should be
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>$cat filer_conf.json
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{
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"mysql": [
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{
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"User": "root",
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"Password": "root",
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"HostName": "127.0.0.1",
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"Port": 3306,
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"DataBase": "seaweedfs"
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},
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{
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"User": "root",
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"Password": "root",
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"HostName": "127.0.0.2",
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"Port": 3306,
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"DataBase": "seaweedfs"
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}
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]
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}
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*/
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func TestGenerateMysqlConf(t *testing.T) {
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var conf MySqlConf
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conf = append(conf, MySqlInstConf{
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User: "root",
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Password: "root",
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HostName: "localhost",
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Port: 3306,
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DataBase: "seaweedfs",
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})
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body, err := json.Marshal(conf)
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if err != nil {
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t.Errorf("json encoding err %s", err.Error())
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}
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t.Logf("json output is %s", string(body))
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}
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func TestCRC32FullPathName(t *testing.T) {
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fullPathName := "/prod-bucket/law632191483895612493300-signed.pdf"
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hash_value := crc32.ChecksumIEEE([]byte(fullPathName))
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table_postfix := int(hash_value) % 1024
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t.Logf("table postfix %d", table_postfix)
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}
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