Documentation updates #496
5 changed files with 289 additions and 278 deletions
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@ -52,280 +52,6 @@ or make your own.
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We detail below the list of exposed metrics and their meaning.
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We detail below the list of exposed metrics and their meaning.
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## List of exported metrics
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## List of exported metrics
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### Garage system metrics
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See our [dedicated page](@/documentation/reference-manual/monitoring.md) in the Reference manual section.
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#### `garage_build_info` (counter)
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Exposes the Garage version number running on a node.
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```
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garage_build_info{version="1.0"} 1
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```
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#### `garage_replication_factor` (counter)
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Exposes the Garage replication factor configured on the node
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```
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garage_replication_factor 3
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```
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### Metrics of the API endpoints
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#### `api_admin_request_counter` (counter)
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Counts the number of requests to a given endpoint of the administration API. Example:
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```
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api_admin_request_counter{api_endpoint="Metrics"} 127041
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```
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#### `api_admin_request_duration` (histogram)
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Evaluates the duration of API calls to the various administration API endpoint. Example:
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```
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api_admin_request_duration_bucket{api_endpoint="Metrics",le="0.5"} 127041
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api_admin_request_duration_sum{api_endpoint="Metrics"} 605.250344830999
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api_admin_request_duration_count{api_endpoint="Metrics"} 127041
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```
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#### `api_s3_request_counter` (counter)
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Counts the number of requests to a given endpoint of the S3 API. Example:
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```
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api_s3_request_counter{api_endpoint="CreateMultipartUpload"} 1
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```
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#### `api_s3_error_counter` (counter)
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Counts the number of requests to a given endpoint of the S3 API that returned an error. Example:
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```
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api_s3_error_counter{api_endpoint="GetObject",status_code="404"} 39
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```
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#### `api_s3_request_duration` (histogram)
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Evaluates the duration of API calls to the various S3 API endpoints. Example:
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```
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api_s3_request_duration_bucket{api_endpoint="CreateMultipartUpload",le="0.5"} 1
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api_s3_request_duration_sum{api_endpoint="CreateMultipartUpload"} 0.046340762
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api_s3_request_duration_count{api_endpoint="CreateMultipartUpload"} 1
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```
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#### `api_k2v_request_counter` (counter), `api_k2v_error_counter` (counter), `api_k2v_error_duration` (histogram)
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Same as for S3, for the K2V API.
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### Metrics of the Web endpoint
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#### `web_request_counter` (counter)
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Number of requests to the web endpoint
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```
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web_request_counter{method="GET"} 80
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```
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#### `web_request_duration` (histogram)
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Duration of requests to the web endpoint
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```
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web_request_duration_bucket{method="GET",le="0.5"} 80
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web_request_duration_sum{method="GET"} 1.0528433229999998
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web_request_duration_count{method="GET"} 80
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```
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#### `web_error_counter` (counter)
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Number of requests to the web endpoint resulting in errors
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```
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web_error_counter{method="GET",status_code="404 Not Found"} 64
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```
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### Metrics of the data block manager
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#### `block_bytes_read`, `block_bytes_written` (counter)
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Number of bytes read/written to/from disk in the data storage directory.
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```
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block_bytes_read 120586322022
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block_bytes_written 3386618077
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```
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#### `block_compression_level` (counter)
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Exposes the block compression level configured for the Garage node.
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```
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block_compression_level 3
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```
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#### `block_read_duration`, `block_write_duration` (histograms)
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Evaluates the duration of the reading/writing of individual data blocks in the data storage directory.
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```
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block_read_duration_bucket{le="0.5"} 169229
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block_read_duration_sum 2761.6902550310056
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block_read_duration_count 169240
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block_write_duration_bucket{le="0.5"} 3559
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block_write_duration_sum 195.59170078500006
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block_write_duration_count 3571
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```
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#### `block_delete_counter` (counter)
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Counts the number of data blocks that have been deleted from storage.
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```
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block_delete_counter 122
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```
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#### `block_resync_counter` (counter), `block_resync_duration` (histogram)
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Counts the number of resync operations the node has executed, and evaluates their duration.
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```
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block_resync_counter 308897
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block_resync_duration_bucket{le="0.5"} 308892
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block_resync_duration_sum 139.64204196100016
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block_resync_duration_count 308897
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```
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#### `block_resync_queue_length` (gauge)
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The number of block hashes currently queued for a resync.
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This is normal to be nonzero for long periods of time.
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```
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block_resync_queue_length 0
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```
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#### `block_resync_errored_blocks` (gauge)
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The number of block hashes that we were unable to resync last time we tried.
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**THIS SHOULD BE ZERO, OR FALL BACK TO ZERO RAPIDLY, IN A HEALTHY CLUSTER.**
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Persistent nonzero values indicate that some data is likely to be lost.
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```
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block_resync_errored_blocks 0
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```
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### Metrics related to RPCs (remote procedure calls) between nodes
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#### `rpc_netapp_request_counter` (counter)
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Number of RPC requests emitted
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```
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rpc_request_counter{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 176
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```
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#### `rpc_netapp_error_counter` (counter)
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Number of communication errors (errors in the Netapp library, generally due to disconnected nodes)
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```
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rpc_netapp_error_counter{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 354
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```
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#### `rpc_timeout_counter` (counter)
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Number of RPC timeouts, should be close to zero in a healthy cluster.
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```
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rpc_timeout_counter{from="<this node>",rpc_endpoint="garage_rpc/membership.rs/SystemRpc",to="<remote node>"} 1
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```
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#### `rpc_duration` (histogram)
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The duration of internal RPC calls between Garage nodes.
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```
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rpc_duration_bucket{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>",le="0.5"} 166
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rpc_duration_sum{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 35.172253716
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rpc_duration_count{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 174
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```
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### Metrics of the metadata table manager
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#### `table_gc_todo_queue_length` (gauge)
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Table garbage collector TODO queue length
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```
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table_gc_todo_queue_length{table_name="block_ref"} 0
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```
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#### `table_get_request_counter` (counter), `table_get_request_duration` (histogram)
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Number of get/get_range requests internally made on each table, and their duration.
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```
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table_get_request_counter{table_name="bucket_alias"} 315
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table_get_request_duration_bucket{table_name="bucket_alias",le="0.5"} 315
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table_get_request_duration_sum{table_name="bucket_alias"} 0.048509778000000024
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table_get_request_duration_count{table_name="bucket_alias"} 315
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```
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#### `table_put_request_counter` (counter), `table_put_request_duration` (histogram)
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Number of insert/insert_many requests internally made on this table, and their duration
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```
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table_put_request_counter{table_name="block_ref"} 677
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table_put_request_duration_bucket{table_name="block_ref",le="0.5"} 677
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table_put_request_duration_sum{table_name="block_ref"} 61.617528636
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table_put_request_duration_count{table_name="block_ref"} 677
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```
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#### `table_internal_delete_counter` (counter)
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Number of value deletions in the tree (due to GC or repartitioning)
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```
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table_internal_delete_counter{table_name="block_ref"} 2296
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```
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#### `table_internal_update_counter` (counter)
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Number of value updates where the value actually changes (includes creation of new key and update of existing key)
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```
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table_internal_update_counter{table_name="block_ref"} 5996
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```
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#### `table_merkle_updater_todo_queue_length` (gauge)
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Merkle tree updater TODO queue length (should fall to zero rapidly)
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```
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table_merkle_updater_todo_queue_length{table_name="block_ref"} 0
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```
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#### `table_sync_items_received`, `table_sync_items_sent` (counters)
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Number of data items sent to/recieved from other nodes during resync procedures
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```
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table_sync_items_received{from="<remote node>",table_name="bucket_v2"} 3
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table_sync_items_sent{table_name="block_ref",to="<remote node>"} 2
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```
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@ -1,6 +1,6 @@
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+++
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+++
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title = "Administration API"
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title = "Administration API"
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weight = 60
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weight = 40
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+++
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+++
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The Garage administration API is accessible through a dedicated server whose
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The Garage administration API is accessible through a dedicated server whose
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@ -1,6 +1,6 @@
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+++
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+++
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title = "K2V"
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title = "K2V"
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weight = 70
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weight = 100
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+++
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+++
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Starting with version 0.7.2, Garage introduces an optionnal feature, K2V,
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Starting with version 0.7.2, Garage introduces an optionnal feature, K2V,
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285
doc/book/reference-manual/monitoring.md
Normal file
285
doc/book/reference-manual/monitoring.md
Normal file
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@ -0,0 +1,285 @@
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+++
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title = "Monitoring"
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weight = 60
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+++
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For information on setting up monitoring, see our [dedicated page](@/documentation/cookbook/monitoring.md) in the Cookbook section.
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## List of exported metrics
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### Garage system metrics
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#### `garage_build_info` (counter)
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Exposes the Garage version number running on a node.
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```
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garage_build_info{version="1.0"} 1
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```
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#### `garage_replication_factor` (counter)
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Exposes the Garage replication factor configured on the node
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```
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garage_replication_factor 3
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```
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### Metrics of the API endpoints
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#### `api_admin_request_counter` (counter)
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Counts the number of requests to a given endpoint of the administration API. Example:
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```
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api_admin_request_counter{api_endpoint="Metrics"} 127041
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```
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#### `api_admin_request_duration` (histogram)
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Evaluates the duration of API calls to the various administration API endpoint. Example:
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```
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api_admin_request_duration_bucket{api_endpoint="Metrics",le="0.5"} 127041
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api_admin_request_duration_sum{api_endpoint="Metrics"} 605.250344830999
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api_admin_request_duration_count{api_endpoint="Metrics"} 127041
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```
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#### `api_s3_request_counter` (counter)
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Counts the number of requests to a given endpoint of the S3 API. Example:
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```
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api_s3_request_counter{api_endpoint="CreateMultipartUpload"} 1
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```
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#### `api_s3_error_counter` (counter)
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Counts the number of requests to a given endpoint of the S3 API that returned an error. Example:
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```
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api_s3_error_counter{api_endpoint="GetObject",status_code="404"} 39
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```
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||||||
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#### `api_s3_request_duration` (histogram)
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Evaluates the duration of API calls to the various S3 API endpoints. Example:
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```
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api_s3_request_duration_bucket{api_endpoint="CreateMultipartUpload",le="0.5"} 1
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api_s3_request_duration_sum{api_endpoint="CreateMultipartUpload"} 0.046340762
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api_s3_request_duration_count{api_endpoint="CreateMultipartUpload"} 1
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```
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#### `api_k2v_request_counter` (counter), `api_k2v_error_counter` (counter), `api_k2v_error_duration` (histogram)
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||||||
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Same as for S3, for the K2V API.
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||||||
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||||||
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||||||
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### Metrics of the Web endpoint
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#### `web_request_counter` (counter)
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Number of requests to the web endpoint
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```
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web_request_counter{method="GET"} 80
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```
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#### `web_request_duration` (histogram)
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Duration of requests to the web endpoint
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||||||
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```
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web_request_duration_bucket{method="GET",le="0.5"} 80
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web_request_duration_sum{method="GET"} 1.0528433229999998
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web_request_duration_count{method="GET"} 80
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```
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#### `web_error_counter` (counter)
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Number of requests to the web endpoint resulting in errors
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||||||
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```
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||||||
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web_error_counter{method="GET",status_code="404 Not Found"} 64
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||||||
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```
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||||||
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||||||
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||||||
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### Metrics of the data block manager
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||||||
|
#### `block_bytes_read`, `block_bytes_written` (counter)
|
||||||
|
|
||||||
|
Number of bytes read/written to/from disk in the data storage directory.
|
||||||
|
|
||||||
|
```
|
||||||
|
block_bytes_read 120586322022
|
||||||
|
block_bytes_written 3386618077
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `block_compression_level` (counter)
|
||||||
|
|
||||||
|
Exposes the block compression level configured for the Garage node.
|
||||||
|
|
||||||
|
```
|
||||||
|
block_compression_level 3
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `block_read_duration`, `block_write_duration` (histograms)
|
||||||
|
|
||||||
|
Evaluates the duration of the reading/writing of individual data blocks in the data storage directory.
|
||||||
|
|
||||||
|
```
|
||||||
|
block_read_duration_bucket{le="0.5"} 169229
|
||||||
|
block_read_duration_sum 2761.6902550310056
|
||||||
|
block_read_duration_count 169240
|
||||||
|
block_write_duration_bucket{le="0.5"} 3559
|
||||||
|
block_write_duration_sum 195.59170078500006
|
||||||
|
block_write_duration_count 3571
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `block_delete_counter` (counter)
|
||||||
|
|
||||||
|
Counts the number of data blocks that have been deleted from storage.
|
||||||
|
|
||||||
|
```
|
||||||
|
block_delete_counter 122
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `block_resync_counter` (counter), `block_resync_duration` (histogram)
|
||||||
|
|
||||||
|
Counts the number of resync operations the node has executed, and evaluates their duration.
|
||||||
|
|
||||||
|
```
|
||||||
|
block_resync_counter 308897
|
||||||
|
block_resync_duration_bucket{le="0.5"} 308892
|
||||||
|
block_resync_duration_sum 139.64204196100016
|
||||||
|
block_resync_duration_count 308897
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `block_resync_queue_length` (gauge)
|
||||||
|
|
||||||
|
The number of block hashes currently queued for a resync.
|
||||||
|
This is normal to be nonzero for long periods of time.
|
||||||
|
|
||||||
|
```
|
||||||
|
block_resync_queue_length 0
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `block_resync_errored_blocks` (gauge)
|
||||||
|
|
||||||
|
The number of block hashes that we were unable to resync last time we tried.
|
||||||
|
**THIS SHOULD BE ZERO, OR FALL BACK TO ZERO RAPIDLY, IN A HEALTHY CLUSTER.**
|
||||||
|
Persistent nonzero values indicate that some data is likely to be lost.
|
||||||
|
|
||||||
|
```
|
||||||
|
block_resync_errored_blocks 0
|
||||||
|
```
|
||||||
|
|
||||||
|
|
||||||
|
### Metrics related to RPCs (remote procedure calls) between nodes
|
||||||
|
|
||||||
|
#### `rpc_netapp_request_counter` (counter)
|
||||||
|
|
||||||
|
Number of RPC requests emitted
|
||||||
|
|
||||||
|
```
|
||||||
|
rpc_request_counter{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 176
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `rpc_netapp_error_counter` (counter)
|
||||||
|
|
||||||
|
Number of communication errors (errors in the Netapp library, generally due to disconnected nodes)
|
||||||
|
|
||||||
|
```
|
||||||
|
rpc_netapp_error_counter{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 354
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `rpc_timeout_counter` (counter)
|
||||||
|
|
||||||
|
Number of RPC timeouts, should be close to zero in a healthy cluster.
|
||||||
|
|
||||||
|
```
|
||||||
|
rpc_timeout_counter{from="<this node>",rpc_endpoint="garage_rpc/membership.rs/SystemRpc",to="<remote node>"} 1
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `rpc_duration` (histogram)
|
||||||
|
|
||||||
|
The duration of internal RPC calls between Garage nodes.
|
||||||
|
|
||||||
|
```
|
||||||
|
rpc_duration_bucket{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>",le="0.5"} 166
|
||||||
|
rpc_duration_sum{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 35.172253716
|
||||||
|
rpc_duration_count{from="<this node>",rpc_endpoint="garage_block/manager.rs/Rpc",to="<remote node>"} 174
|
||||||
|
```
|
||||||
|
|
||||||
|
|
||||||
|
### Metrics of the metadata table manager
|
||||||
|
|
||||||
|
#### `table_gc_todo_queue_length` (gauge)
|
||||||
|
|
||||||
|
Table garbage collector TODO queue length
|
||||||
|
|
||||||
|
```
|
||||||
|
table_gc_todo_queue_length{table_name="block_ref"} 0
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `table_get_request_counter` (counter), `table_get_request_duration` (histogram)
|
||||||
|
|
||||||
|
Number of get/get_range requests internally made on each table, and their duration.
|
||||||
|
|
||||||
|
```
|
||||||
|
table_get_request_counter{table_name="bucket_alias"} 315
|
||||||
|
table_get_request_duration_bucket{table_name="bucket_alias",le="0.5"} 315
|
||||||
|
table_get_request_duration_sum{table_name="bucket_alias"} 0.048509778000000024
|
||||||
|
table_get_request_duration_count{table_name="bucket_alias"} 315
|
||||||
|
```
|
||||||
|
|
||||||
|
|
||||||
|
#### `table_put_request_counter` (counter), `table_put_request_duration` (histogram)
|
||||||
|
|
||||||
|
Number of insert/insert_many requests internally made on this table, and their duration
|
||||||
|
|
||||||
|
```
|
||||||
|
table_put_request_counter{table_name="block_ref"} 677
|
||||||
|
table_put_request_duration_bucket{table_name="block_ref",le="0.5"} 677
|
||||||
|
table_put_request_duration_sum{table_name="block_ref"} 61.617528636
|
||||||
|
table_put_request_duration_count{table_name="block_ref"} 677
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `table_internal_delete_counter` (counter)
|
||||||
|
|
||||||
|
Number of value deletions in the tree (due to GC or repartitioning)
|
||||||
|
|
||||||
|
```
|
||||||
|
table_internal_delete_counter{table_name="block_ref"} 2296
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `table_internal_update_counter` (counter)
|
||||||
|
|
||||||
|
Number of value updates where the value actually changes (includes creation of new key and update of existing key)
|
||||||
|
|
||||||
|
```
|
||||||
|
table_internal_update_counter{table_name="block_ref"} 5996
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `table_merkle_updater_todo_queue_length` (gauge)
|
||||||
|
|
||||||
|
Merkle tree updater TODO queue length (should fall to zero rapidly)
|
||||||
|
|
||||||
|
```
|
||||||
|
table_merkle_updater_todo_queue_length{table_name="block_ref"} 0
|
||||||
|
```
|
||||||
|
|
||||||
|
#### `table_sync_items_received`, `table_sync_items_sent` (counters)
|
||||||
|
|
||||||
|
Number of data items sent to/recieved from other nodes during resync procedures
|
||||||
|
|
||||||
|
```
|
||||||
|
table_sync_items_received{from="<remote node>",table_name="bucket_v2"} 3
|
||||||
|
table_sync_items_sent{table_name="block_ref",to="<remote node>"} 2
|
||||||
|
```
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -1,6 +1,6 @@
|
||||||
+++
|
+++
|
||||||
title = "S3 Compatibility status"
|
title = "S3 Compatibility status"
|
||||||
weight = 40
|
weight = 70
|
||||||
+++
|
+++
|
||||||
|
|
||||||
## DISCLAIMER
|
## DISCLAIMER
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue