| binary |
Zero or one. Zero typically indicate "false" while one indicate "true" |
| bucket |
A chunk of documents managed by a distributor service |
| byte |
A collection of 8 bits |
| byte/second |
A unit of storage capable of holding 8 bits |
| connection |
A link used for communication between a client and a server |
| deployment |
A deployment on hosted Vespa |
| document |
Vespa document, a collection of fields defined in a schema file |
| documentid |
A unique document identifier |
| dollar |
US dollar |
| dollar/hour |
Total current cost of the cluster in $/hr |
| failure |
Failures, typically for requests, operations or nodes |
| file |
Data file stored on the disk on a node |
| fraction |
A value in the range [0..1]. Higher values can occur for some metrics, but would indicate the value is outside of the allowed range. |
| generation |
Typically generation of configuration or application package |
| gigabyte |
One billion bytes |
| hit |
Document that meets the filtering/restriction criteria specified by a given query |
| hit/query |
Number of hits per query over a period of time |
| host |
Bare metal computer that contain nodes |
| instance |
Typically tenant or application |
| item |
Object or unit maintained in e.g. a queue |
| millisecond |
Millisecond, 1/1000 of a second |
| nanosecond |
Nanosecond, 1/1000.000.000 of a second |
| node |
(Virtual) computer that is part of a Vespa cluster |
| packet |
Collection of data transmitted over the network as a single unit |
| operation |
A clearly defined task |
| operation/second |
Number of operations per second |
| percentage |
A number expressed as a fraction of 100. Typically in the range [0..100]. |
| query |
A request for matching, grouping and/or scoring documents stored in Vespa |
| query/second |
Number of queries per second. |
| record |
A collection of information, typically a set of key/value, e.g. stored in a transaction log |
| request |
A request sent from a client to a server |
| response |
A response from a server to a client, typically as a response to a request |
| restart |
A service or node restarts |
| routing rotation |
Routing rotation |
| score |
Relevance score for a document |
| second |
Time span of 1 second |
| seconds since epoch |
Seconds since Unix Epoch |
| session |
A set of operations taking place during one connection or as part of a higher level operation |
| task |
Piece of work executed by a server, e.g. to perform back-ground data maintenance |
| tenant |
Tenant that owns zero or more applications in a managed Vespa system |
| thread |
Computer thread for executing e.g. tasks, operations or queries |
| vcpu |
Virtual CPU |
| version |
Software or config version |
| wakeup |
Computer thread wake-ups for doing some work |