SAP HANA 2.0 Administration · Instance Administration: Parameters, Memory & Workload

You suspect a redo-log problem (segments not freeing, log volume filling). Which view is the primary source for log state, and what columns do you read first?

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More in Instance Administration: Parameters, Memory & Workload

You created a HANA workload class capping statement memory for the SAP application, but it has no effect on those sessions. What step did you skip?

To cap statement memory and parallelism for a group of statements in HANA, do you use a workload class or a workload mapping — and what does each contribute?

A HANA query hits statement_memory_limit. Is it slowed down, queued, or killed — and why does that design choice matter?

A colleague says HANA log segments hold the database's table data. Correct them — what do log segments actually contain, and why does the distinction matter operationally?

During full-log recovery you move a log volume to a temp file system. Why is a symbolic link at the original path required for the database to start at all?

In M_LOG_SEGMENTS, how many segments per logging service can show state Writing at once, and what does that tell you when diagnosing?

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