[opt](memory) Refactor memory maintenance thread (retry)#40551
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step 1. Refresh process memory metrics. step 2. Refresh allocator memory metrics. step 3. Update and print memory stat when the memory changes by 256M. step 4. Asyn Refresh cache capacity step 5. Cancel top memory task when process memory exceed hard limit. step 6. Refresh weighted memory ratio of workload groups. step 7. Analyze blocking queries. step 8. Flush memtable. step 9. Jemalloc purge all arena dirty pages. `memory_maintenance_thread` execute once cost: - 3ms (cluster idle) - 20ms (cluster high concurrency, CPU full) `memory_maintenance_thread` CPU usage: - 10%-20% (default memory_maintenance_sleep_time_ms=20ms) - 20%-30% (memory_maintenance_sleep_time_ms=10ms) - 30%+ (memory_maintenance_sleep_time_ms=5ms)
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Thank you for your contribution to Apache Doris. Since 2024-03-18, the Document has been moved to doris-website. |
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run buildall |
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TPC-H: Total hot run time: 38659 ms |
yiguolei
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Sep 9, 2024
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PR approved by at least one committer and no changes requested. |
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PR approved by anyone and no changes requested. |
TPC-DS: Total hot run time: 192176 ms |
ClickBench: Total hot run time: 31.65 s |
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run buildall |
TPC-H: Total hot run time: 38340 ms |
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TeamCity be ut coverage result: |
TPC-DS: Total hot run time: 192820 ms |
ClickBench: Total hot run time: 31.42 s |
dataroaring
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Oct 9, 2024
step 1. Refresh process memory metrics. step 2. Refresh allocator memory metrics. step 3. Update and print memory stat when the memory changes by 256M. step 4. Asyn Refresh cache capacity step 5. Cancel top memory task when process memory exceed hard limit. step 6. Refresh weighted memory ratio of workload groups. step 7. Analyze blocking queries. step 8. Flush memtable. step 9. Jemalloc purge all arena dirty pages. `memory_maintenance_thread` execute once cost: - 3ms (cluster idle) - 20ms (cluster high concurrency, CPU full) `memory_maintenance_thread` CPU usage: - 10%-20% (default memory_maintenance_sleep_time_ms=20ms) - 20%-30% (memory_maintenance_sleep_time_ms=10ms) - 30%+ (memory_maintenance_sleep_time_ms=5ms)
HappenLee
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Apr 24, 2026
step 1. Refresh process memory metrics. step 2. Refresh allocator memory metrics. step 3. Update and print memory stat when the memory changes by 256M. step 4. Asyn Refresh cache capacity step 5. Cancel top memory task when process memory exceed hard limit. step 6. Refresh weighted memory ratio of workload groups. step 7. Analyze blocking queries. step 8. Flush memtable. step 9. Jemalloc purge all arena dirty pages. `memory_maintenance_thread` execute once cost: - 3ms (cluster idle) - 20ms (cluster high concurrency, CPU full) `memory_maintenance_thread` CPU usage: - 10%-20% (default memory_maintenance_sleep_time_ms=20ms) - 20%-30% (memory_maintenance_sleep_time_ms=10ms) - 30%+ (memory_maintenance_sleep_time_ms=5ms)
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step 1. Refresh process memory metrics.
step 2. Refresh allocator memory metrics.
step 3. Update and print memory stat when the memory changes by 256M.
step 4. Asyn Refresh cache capacity
step 5. Cancel top memory task when process memory exceed hard limit.
step 6. Refresh weighted memory ratio of workload groups.
step 7. Analyze blocking queries.
step 8. Flush memtable.
step 9. Jemalloc purge all arena dirty pages.
memory_maintenance_threadexecute once cost:memory_maintenance_threadCPU usage: