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https://github.com/ceph/ceph
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22 lines
4.1 KiB
Plaintext
22 lines
4.1 KiB
Plaintext
Messenger throttle (number and size)
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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FileStore op_queue throttle (number and size, includes a soft throttle based on filestore_expected_throughput_(ops|bytes))
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|--------------------------------------------------------|
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WBThrottle
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|---------------------------------------------------------------------------------------------------------|
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Journal (size, includes a soft throttle based on filestore_expected_throughput_bytes)
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|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
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|----------------------------------------------------------------------------------------------------> flushed ----------------> synced
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Op: Read Header --DispatchQ--> OSD::_dispatch --OpWQ--> PG::do_request --journalq--> Journal --FileStore::OpWQ--> Apply Thread --Finisher--> op_applied -------------------------------------------------------------> Complete
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SubOp: --Messenger--> ReadHeader --DispatchQ--> OSD::_dispatch --OpWQ--> PG::do_request --journalq--> Journal --FileStore::OpWQ--> Apply Thread --Finisher--> sub_op_applied -
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|-----------------------------> flushed ----------------> synced
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|------------------------------------------------------------------------------------------|
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Journal (size)
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|---------------------------------|
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WBThrottle
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|-----------------------------------------------------|
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FileStore op_queue throttle (number and size)
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