Usage: Lucid perf [options] Periodically output performance metrics. Options: --explain List and explain all available perf metrics. --seconds seconds Time interval in seconds at which to print the perf metrics. (default: 2) --extended Show extended list of metrics for each category. --all Show full list of all metrics for each selected category. --filesystem [metrics] read,write,rrq,wrq,orq,owq,avgReadTime,avgWriteTime,tbr,tbwr,notifActive,notifPending,notifProcessed,notifMetaPend,notifPathPend,notifPathDelPend,notifAttrPend,notifMeta,notifPath,notifPathDel,notifAttr --cache [metrics] hitr,missr,write,backWrite,hit,miss,dirty,usedPages,cached,ofrq,obrq,maxbrq,backendrq,backendrqf --logstore [metrics] frrq,fwrq,brrq,bwrq,poi,poa,pocw,desc --objectstore [metrics] ogrq,oprq,odrq,olrq,activeGets,activePuts,activeDels,activeLists,get,put,del,list,fgrq,fprq,delsFail,listFail,avgGetTime,avgPutTime,avgDelTime,avgLstTime --prefetcher [metrics] hits,oio,pref --keystore [metrics] commit,abort,put,del,getiter,find
Usage:
lucid perf --option --categorys [metric1],[metric2],[metric...]
lucid perf --explain --- filesystem --- read: Read Rate write: Write Rate rrq: Read requests/s wrq: Write requests/s orq: Outstanding read requests owq: Outstanding write requests avgReadTime: Average read time avgWriteTime: Average write time tbr: Total bytes read tbwr: Total bytes written notifActive: Active notifications notifPending: Pending notifications notifProcessed: Processed notifications/s notifMetaPend: Metadata notifications pending notifPathPend: Path notifications pending notifPathDelPend: Path delete notifications pending notifAttrPend: Attribute notifications pending notifMeta: Metadata notifications/s notifPath: Path notifications/s notifPathDel: Path delete notifications/s notifAttr: Attribute notifications/s --- cache --- hitr: Read hit MB/s missr: Read missed MB/s write: Write MB/s backWrite: Backend write MB/s hit: Read hits/s miss: Read misses/s dirty: Dirty data usedPages: Used pages cached: Cached data ofrq: Outstanding frontend requests obrq: Outstanding backend requests maxbrq: Maximum backend requests backendrq: Backend requests/s backendrqf: Failed backend requests/s --- logstore --- frrq: Frontend read requests fwrq: Frontend write requests brrq: Backend read requests bwrq: Backend write requests poi: Parallel operations (allocated) poa: Parallel operations (active) pocw: Parallel operations (complete/wait) desc: In-memory descriptors allocated --- objectstore --- ogrq: Outstanding get requests oprq: Outstanding put requests odrq: Outstanding delete requests olrq: Outstanding list requests activeGets: Active get requests activePuts: Active put requests activeDels: Active delete requests activeLists: Active list requests get: Successful get requests/s put: Successful put requests/s del: Successful delete requests/s list: Successful list requests/s fgrq: Failed get requests/s fprq: Failed put requests/s delsFail: Failed delete requests/s listFail: Failed list requests/s avgGetTime: Average get request time avgPutTime: Average put request time avgDelTime: Average delete request time avgLstTime: Average list request time --- prefetcher --- hits: Hits per second oio: Outstanding IOs pref: Number of prefetchers --- keystore --- commit: Commits per second abort: Aborted transactions per second put: Puts per second del: Deletes per second getiter: GetIterator calls per second find: Get/Exists calls per second
All metrics:
lucid perf --all
Remaining uploads:
lucid perf --cache dirty
Cache data:
lucid perf --cache cached
Filesystem read,write with cached data in 1 second intervals:
lucid perf --seconds 1 --filesystem read,write --cache dirty,cached