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BACKUP/RESTORE should support parallelcompression of backupstripes when using native compress option(RIMS)
Headline Cont...(thisiscurrentlysingle-threadpertablespace).Description -currently, Backup will fetch from multiple tablespaces using multiple concurrent prefetcher sub-agents. However when Backup Compression is enabled, data is forced through Bac...
The customer is considering to deploy multi-active system cross multiple sites, the distance among sites might be more than 1000km. The data could be distributed by hash, and rarely cross site data access by transaction/query. DPF might be a good ...
When a session is forced or rolled back, provide a facility to report percent complete (work done divided by total work). Also required for crash-recovery. It is currently impossible to determine how much longer a rollback or crash-recovery wil...
We have hit torn page recovery (CBIT inconsistency) issues from time to time. As ext3/4 block I/O occurs in 4K units we feel we are at risk on any tablespace above a 4K page size. We would like to discuss options to improve DB2's handling of par...
DB2 HADR takeover improvement if load copy in progress on standby
A load with copy yes is issued on the primary. When finished on the primary, it starts on the standby. At this point, an issue occurs on the primary and a take over is issued on the standby. Because of this take over, the primary becomes stand...
REORG TABLE INPLACE does not reclaim space if table compression used(RIMS)
Hi DB2 lab, this customer opened PMR 51051,077,649 to investigate why DB2 was not releasing space from some tables when a reorg table inplace was used. The investigation lead to find out that when a table use compression the free space will not be...
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