此版本仍在开发中，尚不被认为是稳定的。对于最新的稳定版本，请使用 Spring Boot 3.5.5！spring-doc.cadn.net.cn

普罗米修斯 （prometheus)

这prometheusendpoint 以 Prometheus 服务器抓取所需的格式提供 Spring Boot 应用程序的指标。spring-doc.cadn.net.cn

检索所有指标

要检索所有指标，请将GET请求/actuator/prometheus，如以下基于 curl 的示例所示：spring-doc.cadn.net.cn

$ curl 'http://localhost:8080/actuator/prometheus' -i -X GET

生成的响应类似于以下内容：spring-doc.cadn.net.cn

HTTP/1.1 200 OK
Content-Type: text/plain;version=0.0.4;charset=utf-8
Content-Length: 3082

# HELP jvm_buffer_count_buffers An estimate of the number of buffers in the pool
# TYPE jvm_buffer_count_buffers gauge
jvm_buffer_count_buffers{id="direct"} 2.0
jvm_buffer_count_buffers{id="mapped"} 0.0
jvm_buffer_count_buffers{id="mapped - 'non-volatile memory'"} 0.0
# HELP jvm_buffer_memory_used_bytes An estimate of the memory that the Java virtual machine is using for this buffer pool
# TYPE jvm_buffer_memory_used_bytes gauge
jvm_buffer_memory_used_bytes{id="direct"} 36864.0
jvm_buffer_memory_used_bytes{id="mapped"} 0.0
jvm_buffer_memory_used_bytes{id="mapped - 'non-volatile memory'"} 0.0
# HELP jvm_buffer_total_capacity_bytes An estimate of the total capacity of the buffers in this pool
# TYPE jvm_buffer_total_capacity_bytes gauge
jvm_buffer_total_capacity_bytes{id="direct"} 36864.0
jvm_buffer_total_capacity_bytes{id="mapped"} 0.0
jvm_buffer_total_capacity_bytes{id="mapped - 'non-volatile memory'"} 0.0
# HELP jvm_memory_committed_bytes The amount of memory in bytes that is committed for the Java virtual machine to use
# TYPE jvm_memory_committed_bytes gauge
jvm_memory_committed_bytes{area="heap",id="G1 Eden Space"} 5.6623104E7
jvm_memory_committed_bytes{area="heap",id="G1 Old Gen"} 7.4448896E7
jvm_memory_committed_bytes{area="heap",id="G1 Survivor Space"} 5242880.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 2555904.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4915200.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.900544E7
jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space"} 9109504.0
jvm_memory_committed_bytes{area="nonheap",id="Metaspace"} 8.02816E7
# HELP jvm_memory_max_bytes The maximum amount of memory in bytes that can be used for memory management
# TYPE jvm_memory_max_bytes gauge
jvm_memory_max_bytes{area="heap",id="G1 Eden Space"} -1.0
jvm_memory_max_bytes{area="heap",id="G1 Old Gen"} 1.610612736E9
jvm_memory_max_bytes{area="heap",id="G1 Survivor Space"} -1.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 5832704.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 1.22916864E8
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.22908672E8
jvm_memory_max_bytes{area="nonheap",id="Compressed Class Space"} 1.073741824E9
jvm_memory_max_bytes{area="nonheap",id="Metaspace"} -1.0
# HELP jvm_memory_used_bytes The amount of used memory
# TYPE jvm_memory_used_bytes gauge
jvm_memory_used_bytes{area="heap",id="G1 Eden Space"} 1.1534336E7
jvm_memory_used_bytes{area="heap",id="G1 Old Gen"} 5.7605344E7
jvm_memory_used_bytes{area="heap",id="G1 Survivor Space"} 4505000.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 1781120.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4236928.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.6913792E7
jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space"} 8786832.0
jvm_memory_used_bytes{area="nonheap",id="Metaspace"} 7.9509408E7

默认响应内容类型为text/plain;version=0.0.4. 端点还可以生成application/openmetrics-text;version=1.0.0当使用适当的Accept标头，如以下基于 curl 的示例所示：spring-doc.cadn.net.cn

$ curl 'http://localhost:8080/actuator/prometheus' -i -X GET \
    -H 'Accept: application/openmetrics-text; version=1.0.0; charset=utf-8'

生成的响应类似于以下内容：spring-doc.cadn.net.cn

HTTP/1.1 200 OK
Content-Type: application/openmetrics-text;version=1.0.0;charset=utf-8
Content-Length: 3089

# TYPE jvm_buffer_count_buffers gauge
# HELP jvm_buffer_count_buffers An estimate of the number of buffers in the pool
jvm_buffer_count_buffers{id="direct"} 2.0
jvm_buffer_count_buffers{id="mapped"} 0.0
jvm_buffer_count_buffers{id="mapped - 'non-volatile memory'"} 0.0
# TYPE jvm_buffer_memory_used_bytes gauge
# HELP jvm_buffer_memory_used_bytes An estimate of the memory that the Java virtual machine is using for this buffer pool
jvm_buffer_memory_used_bytes{id="direct"} 36864.0
jvm_buffer_memory_used_bytes{id="mapped"} 0.0
jvm_buffer_memory_used_bytes{id="mapped - 'non-volatile memory'"} 0.0
# TYPE jvm_buffer_total_capacity_bytes gauge
# HELP jvm_buffer_total_capacity_bytes An estimate of the total capacity of the buffers in this pool
jvm_buffer_total_capacity_bytes{id="direct"} 36864.0
jvm_buffer_total_capacity_bytes{id="mapped"} 0.0
jvm_buffer_total_capacity_bytes{id="mapped - 'non-volatile memory'"} 0.0
# TYPE jvm_memory_committed_bytes gauge
# HELP jvm_memory_committed_bytes The amount of memory in bytes that is committed for the Java virtual machine to use
jvm_memory_committed_bytes{area="heap",id="G1 Eden Space"} 5.6623104E7
jvm_memory_committed_bytes{area="heap",id="G1 Old Gen"} 7.4448896E7
jvm_memory_committed_bytes{area="heap",id="G1 Survivor Space"} 5242880.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 2555904.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4915200.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.900544E7
jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space"} 9109504.0
jvm_memory_committed_bytes{area="nonheap",id="Metaspace"} 8.0084992E7
# TYPE jvm_memory_max_bytes gauge
# HELP jvm_memory_max_bytes The maximum amount of memory in bytes that can be used for memory management
jvm_memory_max_bytes{area="heap",id="G1 Eden Space"} -1.0
jvm_memory_max_bytes{area="heap",id="G1 Old Gen"} 1.610612736E9
jvm_memory_max_bytes{area="heap",id="G1 Survivor Space"} -1.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 5832704.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 1.22916864E8
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.22908672E8
jvm_memory_max_bytes{area="nonheap",id="Compressed Class Space"} 1.073741824E9
jvm_memory_max_bytes{area="nonheap",id="Metaspace"} -1.0
# TYPE jvm_memory_used_bytes gauge
# HELP jvm_memory_used_bytes The amount of used memory
jvm_memory_used_bytes{area="heap",id="G1 Eden Space"} 1.048576E7
jvm_memory_used_bytes{area="heap",id="G1 Old Gen"} 5.7605344E7
jvm_memory_used_bytes{area="heap",id="G1 Survivor Space"} 4505000.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 1779968.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4235392.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.6878848E7
jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space"} 8765288.0
jvm_memory_used_bytes{area="nonheap",id="Metaspace"} 7.9333304E7
# EOF

查询参数

终结点使用查询参数来限制它返回的样本。 支持的查询参数如下表所示：spring-doc.cadn.net.cn

参数 描述

includedNamesspring-doc.cadn.net.cn

将样本限制为与名称匹配的样本。自选。spring-doc.cadn.net.cn

检索筛选的指标

要检索与特定名称匹配的指标，请将GET请求/actuator/prometheus使用includedNamesquery 参数，如以下基于 curl 的示例所示：spring-doc.cadn.net.cn

$ curl 'http://localhost:8080/actuator/prometheus?includedNames=jvm_memory_used_bytes%2Cjvm_memory_committed_bytes' -i -X GET

生成的响应类似于以下内容：spring-doc.cadn.net.cn

HTTP/1.1 200 OK
Content-Type: text/plain;version=0.0.4;charset=utf-8
Content-Length: 1455

# HELP jvm_memory_committed_bytes The amount of memory in bytes that is committed for the Java virtual machine to use
# TYPE jvm_memory_committed_bytes gauge
jvm_memory_committed_bytes{area="heap",id="G1 Eden Space"} 5.6623104E7
jvm_memory_committed_bytes{area="heap",id="G1 Old Gen"} 7.4448896E7
jvm_memory_committed_bytes{area="heap",id="G1 Survivor Space"} 5242880.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 2555904.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4915200.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.900544E7
jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space"} 9109504.0
jvm_memory_committed_bytes{area="nonheap",id="Metaspace"} 8.02816E7
# HELP jvm_memory_used_bytes The amount of used memory
# TYPE jvm_memory_used_bytes gauge
jvm_memory_used_bytes{area="heap",id="G1 Eden Space"} 1.2582912E7
jvm_memory_used_bytes{area="heap",id="G1 Old Gen"} 5.7605344E7
jvm_memory_used_bytes{area="heap",id="G1 Survivor Space"} 4505000.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 1781120.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4240768.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.6934016E7
jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space"} 8787448.0
jvm_memory_used_bytes{area="nonheap",id="Metaspace"} 7.9523032E7