Yugabyte DB

Encryption

• Undestanding the cipher_list and ciphersuite g-flags

Tools and Drivers

• Error while changing the configuration of the tablet
• How to run count(*) query in Yugabyte DB?

YCQL

• Getting error messages like "Timed out waiting for server response" and "Client request timeout"
• Namespace 'foo' of type 'ycql' not found

YSQL

• Database Transactions errors out with "Restart read required"
• Unable to connect with YSQL after upgrade to 2.4.4

xCluster Replication

• yb-admin alter_universe_replication fails with NOT_THE_LEADER

DocDB

• How to optimize and resolve common memory errors in Yugabyte
• How to troubleshoot database unavailability in Yugabyte
• Too big clock skew leading to error messages or tserver crashes
• Generate a backtrace from a core file with GDB
• Health check fails with Failed Uptime: "Invalid uptime xyz xyz"
• Logs are reporting "Error on CreateNew: : Raft group already exists"

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