- DSE 5.0 SSTables with UDTs corrupted after upgrading to DSE 5.1, 6.0, or 6.7
- DSE 6.x Multi-instances and Memory management
- Missing metrics and high collectd CPU usage
- Nodetool status over calculates data load
- DSE cannot start with yaml parsing error
- Firewall idle connection timeout causes nodes to lose communication during low traffic times on Linux
- "Error in custom provider" prevents DSE node startup
- HOW TO: Use iostat to diagnose CPU and IO bottlenecks
- FAQ - What does "FailureDetector - Not marking nodes down due to local pause" mean?
- DSE fails to start with `java.nio.charset.MalformedInputException`
- HOW TO - Mirror DSE packages internally
- HOW TO - Replace a live or dead node with a brand new node, different IP address
- High blocked NTR count during increased workload on Cassandra node
- HOW TO - Check if DSE TieredCompactionStrategy is in use
- HOW TO - Correlate high LWT usage to an application
- HOW TO - Check the DSE version running on a node
- HOW TO - Attach or upload files to a support ticket
- Compaction fails with CorruptSSTableException, AssertionError recycling a memory buffer
- Nodes become unresponsive during high app traffic periods when mmap is enabled on DSE 6
- sstableloader fails with "UnrecoverableKeyException: Password verification failed"
- Errors configuring DSBulk 1.3 with SSL enabled
- Increased memory use on nodes after upgrading to DSE 5.0 or DSE 5.1
- HOW TO - Specify composite partition keys for SSTable utilities
- FAQ - What does SSTable compression ratio in tablestats indicate?
- DSE startup fails with "Failed to dispatch hints file", "file is corrupted"
- When authentication is enabled, completed jobs information cannot be viewed using Spark Worker UI
- Repair streams fail with "AssertionError: UnfilteredPartitionIterator should not contain empty partitions"
- NodeSync service startup returns AssertionError with message "No tables will be validated by NodeSync."
- FAQ - Use of disk_access_mode in DSE 5.1 and earlier
- Memory only strategy will throw mlock error if disk_access_mode set incorrectly
