[Imported from Trac: page Munin_Stats-Gatherer_Readme, version 1]
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Munin_Stats-Gatherer_Readme.md
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Munin_Stats-Gatherer_Readme.md
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(Draft)<br>
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It's the README file for munin stats-gatherer plugins<br>
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Please see ticket #966
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```
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= Tahoe-LAFS Stats-Gatherer plugins =
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1. Overview
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2. Plugins details
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2.1. Helper plugins
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2.2. Traffic plugins
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2.3. Storage plugins
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2.4. Load plugins
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3. Plugins Installation
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4. Plugins testing
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== Overview ==
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For running these plugins you need to have a Tahoe-LAFS stats-gatherer node.
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You can find more infomation in file docs/stats.txt
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For plugins configration please read tahoe-stats_conf
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= Plugins details =
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== Helper plugins ==
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These plugins need a Tahoe-LAFS Helper
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tahoe_stats_helper_active_uploads: Shows the number of files actively being processed by the helper
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tahoe_stats_helper_encoded_bytes: Shows the number of bytes encoded by the helper
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tahoe_stats_helper_encoding_files: Shows the number of encoding files
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tahoe_stats_helper_encoding_filesize: Shows total size of encoding files
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tahoe_stats_helper_encoding_files_old: Shows total size of old encoding files
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tahoe_stats_helper_fetched_bytes: Shows the number of bytes fetched by the helper
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tahoe_stats_helper_incoming_files: Shows the number of incoming files
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tahoe_stats_helper_incoming_filesize: Shows total size of incoming files
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tahoe_stats_helper_incoming_files_old: Shows total size of old incoming files
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tahoe_stats_helper_upload_already_present: Shows the number of uploads whose files are already present in the grid
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tahoe_stats_helper_upload_need_upload: Shows the number of uploads whose files are not already present in the grid
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tahoe_stats_helper_upload_requests: Shows the number of upload requests arriving at the helper
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== Traffic plugins ==
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tahoe_stats_mutable_files_published: Shows the number of mutable files published
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tahoe_stats_mutable_files_retrieved: Shows the number of files retrieved
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tahoe_stats_uploader_bytes_uploaded: Shows the number of bytes uploaded
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tahoe_stats_uploader_files_uploaded: Shows the number of files uploaded
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== Storage plugins ==
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tahoe_stats_storage_allocated: Shows space allocated
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tahoe_stats_storage_bytes_added: Shows cummulative bytes added
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tahoe_stats_storage_bytes_freed: Shows cummulative bytes removed
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tahoe_stats_storage_disk_used: Shows space consumed
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tahoe_stats_storage_operations_allocate: Shows how many allocate_buckets operations occured per second.
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Each immutable file upload causes one such operation per server
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tahoe_stats_storage_operations_get: This graph shows how many get_bucket operations occured per second.
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Each immutable file download/check causes one such operation per server
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tahoe_stats_storage_bytes_added: Shows how many readv operations occured per second.
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Each dirnode read causes one such operation per server.
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tahoe_stats_storage_operations_writev: Shows how many writev operations occured per second.
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Each mutable file/dirnode write causes one such operation per server
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== Load plugins ==
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tahoe_stats_runtime_load_peak: Shows peak reactor delay
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tahoe_stats_runtime_load_avg: Shows average reactor delay
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tahoe_stats_cpu_monitor_15min_avg: Estimate of what percentage of system CPU time was consumed by the node process, 15min average
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tahoe_stats_cpu_monitor_5min_avg: Estimate of what percentage of system CPU time was consumed by the node process, 5min average
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= Plugins Installation =
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tahoe_stats need to be renamed/copied/linked to the plugin name you want.
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you need to do this for each graph you want.
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For example:
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If you want to show the "Tahoe-LAFS Runtime Load Average Graph":
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Just copy tahoe_stats to '/etc/munin/plugins/tahoe_stats_runtime_load_avg'
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If you want all graphs you can run these commands:
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cp tahoe_stats /etc/munin/plugins/tahoe_stats.bak
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# the .bak extension is needed, otherwise Munin-Node will try to run it.
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cd /etc/munin/plugins/
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chmod +x tahoe_stats.bak
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for FILE in `grep "'tahoe_" tahoe_stats.bak | cut -d\' -f2`; do ln -s tahoe_stats.bak $FILE;done;
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After, edit the configuration file "tahoe-stats_conf" and copy it to /etc/munin/plugin-conf.d/
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Reload the Munin-Node process: /etc/init.d/munin-node reload
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Note:
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You need to wait 5min before Munin-Node perform graphs
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= Plugins testing =
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To test plugin you can run: munin-run 'plugin file'
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For example:
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# munin-run tahoe_stats_storage_disk_used
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RM1X_gfsd.value 28093239296
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[..]
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To display graph configuration add 'config' a the end of command line:
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#munin-run tahoe_stats_storage_disk_used config
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graph_title Tahoe-LAFS Storage Server Disk Used
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graph_vlabel bytes
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graph_category Tahoe-LAFS Stats-Gatherer_storage_server
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graph_info This graph shows disk usage for Tahoe
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graph_args --base 1024
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RM1X_gfsd.label RM1X_gfsd
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RM1X_gfsd.draw LINE1
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[..]
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```
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