252 lines
6.1 KiB
Markdown
252 lines
6.1 KiB
Markdown
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# LeoFS Input Plugin
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The LeoFS plugin gathers metrics of LeoGateway, LeoManager, and LeoStorage using SNMP. See [LeoFS Documentation / System Administration / System Monitoring](https://leo-project.net/leofs/docs/admin/system_admin/monitoring/).
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## Configuration:
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```toml
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# Sample Config:
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[[inputs.leofs]]
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servers = ["127.0.0.1:4010"]
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```
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## Measurements & Fields:
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### Statistics specific to the internals of LeoManager
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#### Erlang VM
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- 1 min Statistics
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- num_of_processes
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- total_memory_usage
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- system_memory_usage
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- processes_memory_usage
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- ets_memory_usage
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- used_allocated_memory
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- allocated_memory
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- 5 min Statistics
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- num_of_processes_5min
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- total_memory_usage_5min
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- system_memory_usage_5min
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- processes_memory_usage_5min
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- ets_memory_usage_5min
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- used_allocated_memory_5min
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- allocated_memory_5min
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### Statistics specific to the internals of LeoStorage
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#### Erlang VM
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- 1 min Statistics
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- num_of_processes
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- total_memory_usage
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- system_memory_usage
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- processes_memory_usage
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- ets_memory_usage
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- used_allocated_memory
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- allocated_memory
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- 5 min Statistics
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- num_of_processes_5min
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- total_memory_usage_5min
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- system_memory_usage_5min
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- processes_memory_usage_5min
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- ets_memory_usage_5min
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- used_allocated_memory_5min
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- allocated_memory_5min
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#### Total Number of Requests
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- 1 min Statistics
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- num_of_writes
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- num_of_reads
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- num_of_deletes
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- 5 min Statistics
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- num_of_writes_5min
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- num_of_reads_5min
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- num_of_deletes_5min
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#### Total Number of Objects and Total Size of Objects
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- num_of_active_objects
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- total_objects
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- total_size_of_active_objects
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- total_size
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#### Total Number of MQ Messages
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- num_of_replication_messages,
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- num_of_sync-vnode_messages,
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- num_of_rebalance_messages,
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- mq_num_of_msg_recovery_node
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- mq_num_of_msg_deletion_dir
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- mq_num_of_msg_async_deletion_dir
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- mq_num_of_msg_req_deletion_dir
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- mq_mdcr_num_of_msg_req_comp_metadata
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- mq_mdcr_num_of_msg_req_sync_obj
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Note: The following items are available since LeoFS v1.4.0:
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- mq_num_of_msg_recovery_node
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- mq_num_of_msg_deletion_dir
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- mq_num_of_msg_async_deletion_dir
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- mq_num_of_msg_req_deletion_dir
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- mq_mdcr_num_of_msg_req_comp_metadata
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- mq_mdcr_num_of_msg_req_sync_obj
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#### Data Compaction
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- comp_state
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- comp_last_start_datetime
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- comp_last_end_datetime
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- comp_num_of_pending_targets
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- comp_num_of_ongoing_targets
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- comp_num_of_out_of_targets
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Note: The all items are available since LeoFS v1.4.0.
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### Statistics specific to the internals of LeoGateway
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#### Erlang VM
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- 1 min Statistics
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- num_of_processes
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- total_memory_usage
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- system_memory_usage
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- processes_memory_usage
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- ets_memory_usage
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- used_allocated_memory
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- allocated_memory
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- 5 min Statistics
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- num_of_processes_5min
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- total_memory_usage_5min
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- system_memory_usage_5min
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- processes_memory_usage_5min
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- ets_memory_usage_5min
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- used_allocated_memory_5min
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- allocated_memory_5min
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#### Total Number of Requests
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- 1 min Statistics
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- num_of_writes
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- num_of_reads
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- num_of_deletes
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- 5 min Statistics
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- num_of_writes_5min
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- num_of_reads_5min
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- num_of_deletes_5min
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#### Object Cache
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- count_of_cache-hit
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- count_of_cache-miss
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- total_of_files
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- total_cached_size
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### Tags:
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All measurements have the following tags:
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- node
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### Example output:
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#### LeoManager
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```bash
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$ ./telegraf --config ./plugins/inputs/leofs/leo_manager.conf --input-filter leofs --test
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> leofs, host=manager_0, node=manager_0@127.0.0.1
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allocated_memory=78255445,
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allocated_memory_5min=78159025,
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ets_memory_usage=4611900,
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ets_memory_usage_5min=4632599,
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num_of_processes=223,
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num_of_processes_5min=223,
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processes_memory_usage=20201316,
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processes_memory_usage_5min=20186559,
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system_memory_usage=37172701,
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system_memory_usage_5min=37189213,
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total_memory_usage=57373373,
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total_memory_usage_5min=57374653,
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used_allocated_memory=67,
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used_allocated_memory_5min=67
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1524105758000000000
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```
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#### LeoStorage
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```bash
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$ ./telegraf --config ./plugins/inputs/leofs/leo_storage.conf --input-filter leofs --test
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> leofs,host=storage_0,node=storage_0@127.0.0.1
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allocated_memory=63504384,
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allocated_memory_5min=0,
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comp_last_end_datetime=0,
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comp_last_start_datetime=0,
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comp_num_of_ongoing_targets=0,
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comp_num_of_out_of_targets=0,
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comp_num_of_pending_targets=8,
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comp_state=0,
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ets_memory_usage=3877824,
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ets_memory_usage_5min=0,
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mq_mdcr_num_of_msg_req_comp_metadata=0,
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mq_mdcr_num_of_msg_req_sync_obj=0,
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mq_num_of_msg_async_deletion_dir=0,
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mq_num_of_msg_deletion_dir=0,
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mq_num_of_msg_recovery_node=0,
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mq_num_of_msg_req_deletion_dir=0,
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num_of_active_objects=70,
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num_of_deletes=0,
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num_of_deletes_5min=0,
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num_of_processes=577,
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num_of_processes_5min=0,
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num_of_reads=1,
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num_of_reads_5min=0,
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num_of_rebalance_messages=0,
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num_of_replication_messages=0,
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num_of_sync-vnode_messages=0,
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num_of_writes=70,
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num_of_writes_5min=0,
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processes_memory_usage=20029464,
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processes_memory_usage_5min=0,
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system_memory_usage=25900472,
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system_memory_usage_5min=0,
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total_memory_usage=45920987,
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total_memory_usage_5min=0,
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total_objects=70,
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total_size=2,
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total_size_of_active_objects=2,
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used_allocated_memory=69,
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used_allocated_memory_5min=0
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1524529826000000000
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```
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#### LeoGateway
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```
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$ ./telegraf --config ./plugins/inputs/leofs/leo_gateway.conf --input-filter leofs --test
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> leofs, host=gateway_0, node=gateway_0@127.0.0.1
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allocated_memory=87941120,
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allocated_memory_5min=88067672,
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count_of_cache-hit=0,
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count_of_cache-miss=0,
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ets_memory_usage=4843497,
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ets_memory_usage_5min=4841574,
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num_of_deletes=0,
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num_of_deletes_5min=0,
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num_of_processes=555,
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num_of_processes_5min=555,
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num_of_reads=0,
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num_of_reads_5min=0,
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num_of_writes=0,
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num_of_writes_5min=0,
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processes_memory_usage=17388052,
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processes_memory_usage_5min=17413928,
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system_memory_usage=49531263,
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system_memory_usage_5min=49577819,
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total_cached_size=0,
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total_memory_usage=66917393,
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total_memory_usage_5min=66989469,
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total_of_files=0,
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used_allocated_memory=69,
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used_allocated_memory_5min=69 1524105894000000000
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```
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