If you missed Cassandra Lunch #14 on 8/12, don't worry we've got you covered! In this edition of Cassandra Lunch, we discussed methods for finding and diagnosing issues in Cassandra clusters. Blog Post: https://blog.anant.us/cassandra-lunch-14-basic-log-diagnostics-with-elk-fek-bek/ Video: https://youtu.be/WL-Gs_2rAUY Follow Us and Reach Us At: Anant: https://www.anant.us/home Cassandra.Link: https://cassandra.link/ Email: solutions@anant.us LinkedIn: https://www.linkedin.com/organization... Twitter: https://twitter.com/anantcorp Eventbrite: https://www.eventbrite.com/o/anant-10... Facebook: https://www.facebook.com/AnantCorp/

1. Basic Log Diagnostics with
ELK/FEK/BEK
FEK “Filebeats/Elastic/Kibana” also known as
BEK “Beats/Elastic/Kibana” commonly known as
ELK “Elastic, Logstash, Kibana”

2. Series
Cassandra Toolkit
● Basic Diagnostics with ELK/FEK
● Finding Data Model Issues in Cassandra
● Kibana & Grafana for Cassandra
● Medusa & Reaper for Cassandra

3. Why do we need logs?

8. Answer: Shit is everywhere.

9. What do we need?

13. Answer: Get your shit together.

14. How do we do this?

15. Approach 1 Approach 2
● Bring up Elastic/Kibana
● Install filebeat/logstash
● Robots send logs over.
● Visualize in Kibana
● Bring up Elastic/Kibana
● Get logs from every
machine.
● Use logstash, filebeat
with dissect to send to
Elastic
● Visualize in Kibana

17. Answer: Learn some skills.
● Elastic/Kibana Installation. (w/ or w/o Docker)
● Hosted Elastic/Kibana (e.g. AWS)
● Logging formats. Each software may be different.
● Logstash - how / why to use this? “Grok”
● Beats - Filebeat/Metricbeat - “Dissect”
● Find things in Kibana / Filter
● Visualize things in Kibana

18. Answer: Learn.

23. Any Questions?

24. Strategy: Scalable Fast Data
Architecture: Cassandra, Spark, Kafka
Engineering: Node, Python, JVM,CLR
Operations: Cloud, Container
Rescue: Downtime!! I need help.
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