- CPU usage increased very fast when multiple queries running on a big compressed table at the same time.
- Even the queries do not return any rows, the same issue will still happen on a compressed table.
- May see the stack trace of spid on decompress__column_by_colinfo for most of the time.
- However, the same queries running on a UN-compressed with same DDL and data volume does not lead to CPU overhead.
- "capture compression statistics" is enabled.
- SAP Adaptive Server Enterprise (ASE)
Compression, CPU overhead, CPU usage high, capture compression statistics, decompress__column_by_colinfo , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , BC-SYB-ASE-CE , ASE Cluster Edition (Standalone) , Problem
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