Vespa

Supported OS Linux

통합 버전1.1.0
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Overview

Gather metrics from your Vespa system in real time to:

  • Visualize and monitor Vespa state and performance
  • Alert on health and availability

Setup

The Vespa check is not included in the Datadog Agent package, so you need to install it.

Installation

For Agent v7.21+ / v6.21+, follow the instructions below to install the Vespa check on your host. See Use Community Integrations to install with the Docker Agent or earlier versions of the Agent.

  1. Run the following command to install the Agent integration:

    datadog-agent integration install -t datadog-vespa==<INTEGRATION_VERSION>

  2. Configure your integration similar to core integrations.

Configuration

To configure the Vespa check:

  1. Create a vespa.d/ folder in the conf.d/ folder at the root of your Agent’s configuration directory.
  2. Create a conf.yaml file in the vespa.d/ folder previously created.
  3. See the sample vespa.d/conf.yaml file and copy its content in the conf.yaml file.
  4. Edit the conf.yaml file to configure the consumer, which decides the set of metrics forwarded by the check:
    • consumer: The consumer to collect metrics for, either default or a custom consumer from your Vespa application’s services.xml.
  5. Restart the Agent.

Validation

Run the Agent’s status subcommand and look for vespa under the Checks section.

Data Collected

Metrics

vespa.http.status.1xx.rate
(gauge)		Number of responses with a 1xx status
Shown as response
vespa.http.status.2xx.rate
(gauge)		Number of responses with a 2xx status
Shown as response
vespa.http.status.3xx.rate
(gauge)		Number of responses with a 3xx status
Shown as response
vespa.http.status.4xx.rate
(gauge)		Number of responses with a 4xx status
Shown as response
vespa.http.status.5xx.rate
(gauge)		Number of responses with a 5xx status
Shown as response
vespa.jdisc.gc.ms.average
(gauge)		Time spent in GC
Shown as millisecond
vespa.mem.heap.free.average
(gauge)		Free heap size
Shown as byte
vespa.queries.rate
(gauge)		Number of search queries
Shown as query
vespa.feed.operations.rate
(gauge)		Number of feed operations
Shown as operation
vespa.query_latency.average
(gauge)		Total query processing time
Shown as millisecond
vespa.query_latency.95percentile
(gauge)		95 percentile total query processing time
Shown as millisecond
vespa.query_latency.99percentile
(gauge)		99 percentile total query processing time
Shown as millisecond
vespa.hits_per_query.average
(gauge)		Hits in the returned result, per query
Shown as hit
vespa.totalhits_per_query.average
(gauge)		Estimated total number of hits per query
Shown as hit
vespa.degraded_queries.rate
(gauge)		Queries with degraded results due to timeout
Shown as query
vespa.failed_queries.rate
(gauge)		Failed queries
Shown as query
vespa.serverActiveThreads.average
(gauge)		Threads that are active processing requests
Shown as thread
vespa.content.proton.search_protocol.docsum.requested_documents.rate
(gauge)		Requested document summaries
Shown as document
vespa.content.proton.search_protocol.docsum.latency.average
(gauge)		Docsum request latency on content node
Shown as second
vespa.content.proton.search_protocol.query.latency.average
(gauge)		Query request latency on content node
Shown as second
vespa.content.proton.documentdb.documents.total.last
(gauge)		Total documents in this document db (ready + not-ready)
Shown as document
vespa.content.proton.documentdb.documents.ready.last
(gauge)		Ready documents in this document db
Shown as document
vespa.content.proton.documentdb.documents.active.last
(gauge)		Active/searchable documents in this document db
Shown as document
vespa.content.proton.documentdb.disk_usage.last
(gauge)		Total disk usage for this document db
Shown as byte
vespa.content.proton.documentdb.memory_usage.allocated_bytes.last
(gauge)		Total memory usage for this document db
Shown as byte
vespa.content.proton.resource_usage.disk.average
(gauge)		Relative amount of disk space used by this process
Shown as fraction
vespa.content.proton.resource_usage.memory.average
(gauge)		Relative amount of memory used by this process
Shown as fraction
vespa.content.proton.resource_usage.feeding_blocked.last
(gauge)		Whether feeding is blocked due to resource limitations (value is 0 or 1)
vespa.content.proton.documentdb.matching.docs_matched.rate
(gauge)		Number of documents matched
Shown as document
vespa.content.proton.documentdb.matching.docs_reranked.rate
(gauge)		Number of documents re-ranked (second phase)
Shown as document
vespa.content.proton.documentdb.matching.rank_profile.query_latency.average
(gauge)		Total latency when matching and ranking a query
Shown as second
vespa.content.proton.documentdb.matching.rank_profile.query_setup_time.average
(gauge)		Average time spent setting up and tearing down queries
Shown as second
vespa.content.proton.documentdb.matching.rank_profile.rerank_time.average
(gauge)		Time spent on 2nd phase ranking
Shown as second
vespa.content.proton.transactionlog.disk_usage.last
(gauge)		Disk usage of the transaction log
Shown as byte

Events

The Vespa integration does not include any events.

Service Checks

vespa.metrics_health
Returns CRITICAL if there is no response from the Vespa Node metrics API. Returns WARNING if there is a response from the Vespa Node metrics API but there was an error in processing, otherwise returns OK.
Statuses: ok, warning, critical

vespa.process_health
For each Vespa process, returns CRITICAL if the process seems to be down. Returns WARNING if the process status is unknown, otherwise returns OK.
Statuses: ok, warning, critical

Troubleshooting

Need help? Contact Datadog support.

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