SOFA WEEKLY | weekly specials, weekly essence screening Q & A
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SOFAStack (Scalable Open Financial Architecture Stack) is a gold suit ant self-developed financial level distributed architecture, including the various components needed to build the original class cloud financial architecture students , including micro-services development framework, RPC framework, service registry, distributed regular tasks, limiting / blown framework, dynamic configuration push, distributed link tracking, metrics monitors measure, highly available distributed message queuing, distributed transaction framework, distributed database proxy layer and other components, but also out of temper in the financial scene best practices.
SOFA documents: https://www.sofastack.tech/
SOFA: https://github.com/sofastack
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1, on SOFALookout discussion :
Related reading: Ants gold dress lightweight server monitoring and analysis system SOFALookout open source
@ Peak Question:
SOFALookout surveillance storage HBase or OpenTSDB consider it?
A: SOFALookout storage piece support custom extensions, temporary support our priority of ES. Other storage includes HBASE, inviting interested students to build a program with reference to the default ES extension implementation.
SOFALookout Metrics storage expansion mechanism introduced:
https://www.sofastack.tech/sofa-lookout/docs/useguide-storage-ext
SOFALookout 与 Prometheus 的差异是什么呢？
A：SOFALookout 主要包括：
（1）SOFALookout metrics server 支持适配更多的协议接入；
（2）聚焦在围绕 ES 生态提供易使用和运维的最佳实践；
（3）支持计算能力下推；
（4）除了 Metrics 后期会有 tracing，eventing等方案；
（5）对聚合函数和 REST API 都做了兼容性的扩展和增强；
（6）支持分布式集群部署具备高可用能力。
2、@刘功军 提问：
seata-server HA lock 必须 DB 模式么？
A：是的。
DB 模式对字段长度要求比较严格，经常字段长度不够，lock 表的 row_key 主键长度又有最大限制。除非去掉 row_key 主键属性，我这边需要的长度要到 500。
A：row_key 要有唯一性约束，建议主键不要超过 256。
我数据库连接上加了很多配置参数，目前测试用的链接长度已经超过 300 了，你那边对数据库链接配置参数有什么好方案？
A：Seata 提取 resource_id， 不就应该把数据库 url 的参数带上的吧。url就行了，不需要把 url 里面的参数带到 resourceId 里面。
3、@李杰 提问：
麻烦请教一下，基于消息队列 MQ 的服务内部调用，推荐用什么模式来实行分布式事务，有相关Demo的吗？
A：Seata 目前的模型中不依赖消息，你可以直接改成 AT 模式。
SOFA 活动推荐
6 Yue 24-Ri (Xingqi Yi) KubeCon China come again. KubeCon + CloudNativeCon + Open Source Summit China 2019, ants gold dress core technical team will hold a full-day Workshop, to share a distributed architecture SOFAStack, Service Mesh, Serverless, distributed transaction Seata practice cases, and together with you easily native to use cloud technology.
Theme: " Ants gold dress SOFAStack cloud native Workshop" (2019 KubeCon China with the field activities)
Time: June 24 9: 00-16: 30
Location: Shanghai Expo Center
Registration Fee: Free
The event you will get :
Quickly build micro-based services SOFAStack
Best Practices for distributed transactions in financial scene
Cloud-based Kubernetes native deployment experience
Service Mesh cloud on the basic usage scenarios experience
Applications built on the cloud easily Serverless
Welcome to click on " read text " , view the activities detailed arrangements and Registration ~