Ask Sendai

Root Cause Analysis' of sendai

Some of my root cause analysis I wrote during my career. I have a unique background in troubleshooting extremely complex, convoluted problems hence my foundations in reverse engineering. All documents are redacted, sanitized, all personal names, company names, links and email addresses have been carefully removed.

Kafka certificate rotation investigation Nginx autoscaling investigation Prometheus troubleshooting Honeycomb / Redis investigation Google yum repo issue investigation Hashicorp yum repo issue investigation GCP TCP Load balanacer investigation 5xx investigation - Part III 5xx investigation - Part II 5xx investigation CoreDNS bug investigation Envoy log troubleshooting PerspecSys Timeout issue investigation - Part II NSCD core dumps investigation Network event investigation NSSLTOF SAPM support LDAP performance analysis NSSLTOF: NSS performance reliability improvement package LDAP analysis LDAP clients with overwhelming connection investigation VM SWAP investigation LDAP design proposal with F5 pam ldap & crond tests Cron jobs exit with ts=13 investigation Java app error investigation Siebel app issue investigation Oracle DB issue investigation Oracle Redo Log latency investigation Multicast bug investigation - Update Multicast bug investigation, Part II Multicast issue investigation DB server investigation IO profiling investigation - Part II IO profiling investigation DB disk performance investigation - Part II DB disk performance investigation Application startup investigation