Commits on Jul 8, 2024

1. [enhancement](compaction) adjust compaction concurrency based on comp… …

   …action score and workload (apache#36672)
   
   1 Resolved the issue where the priority queue did not reserve slots for
   cumulative compaction.
   
   2 When considering compaction task priorities, introduced metrics for
   CPU and memory usage rates. When the compaction score is low, and CPU or
   memory usage is high, reduce the number of compaction tasks generated
   and allocate CPU and memory resources to queries or load.
   
   3 Integrated the logic of the priority queue and concurrency control
   together, removing the previous priority code.

   

   luwei16 committed Jul 8, 2024
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2. [fix](compaction) fix null pointer when retrieving CPU load average (a… …

   …pache#37171)
   
   1 When enable_system_metrics = false, system_metrics is a null pointer
   2 When BE exits, system_metrics has been destructed, and the compaction
   background thread may still be running

   

   luwei16 committed Jul 8, 2024
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