端点以 Prometheus 服务器抓取所需的格式提供 Spring Boot 应用程序的指标。prometheusSpring中文文档

检索所有指标

若要检索所有指标,请向 发出请求,如以下基于 curl 的示例所示:GET/actuator/prometheusSpring中文文档

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

生成的响应类似于以下内容:Spring中文文档

HTTP/1.1 200 OK
Content-Type: text/plain;version=0.0.4;charset=utf-8
Content-Length: 3098

# 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"} 16.0
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"} 1.7043464E7
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"} 1.7043463E7
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"} 1.90840832E8
jvm_memory_committed_bytes{area="heap",id="G1 Old Gen"} 1.33169152E8
jvm_memory_committed_bytes{area="heap",id="G1 Survivor Space"} 4194304.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 2555904.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4325376.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 2.0054016E7
jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space"} 1.212416E7
jvm_memory_committed_bytes{area="nonheap",id="Metaspace"} 8.8604672E7
# 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"} 1.073741824E9
jvm_memory_max_bytes{area="heap",id="G1 Survivor Space"} -1.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 5836800.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 1.22912768E8
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"} 1.6777216E7
jvm_memory_used_bytes{area="heap",id="G1 Old Gen"} 8.4726784E7
jvm_memory_used_bytes{area="heap",id="G1 Survivor Space"} 4156408.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 1438592.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4288128.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.9998464E7
jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space"} 1.1754016E7
jvm_memory_used_bytes{area="nonheap",id="Metaspace"} 8.782136E7

默认响应内容类型为 。 当使用适当的标头调用时,终结点也可以生成,如以下基于 curl 的示例所示:text/plain;version=0.0.4application/openmetrics-text;version=1.0.0AcceptSpring中文文档

$ 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中文文档

HTTP/1.1 200 OK
Content-Type: application/openmetrics-text;version=1.0.0;charset=utf-8
Content-Length: 3104

# 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"} 16.0
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"} 1.7043464E7
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"} 1.7043463E7
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"} 1.90840832E8
jvm_memory_committed_bytes{area="heap",id="G1 Old Gen"} 1.33169152E8
jvm_memory_committed_bytes{area="heap",id="G1 Survivor Space"} 4194304.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 2555904.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4325376.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.998848E7
jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space"} 1.212416E7
jvm_memory_committed_bytes{area="nonheap",id="Metaspace"} 8.8604672E7
# 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"} 1.073741824E9
jvm_memory_max_bytes{area="heap",id="G1 Survivor Space"} -1.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 5836800.0
jvm_memory_max_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 1.22912768E8
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"} 1.4680064E7
jvm_memory_used_bytes{area="heap",id="G1 Old Gen"} 8.4726784E7
jvm_memory_used_bytes{area="heap",id="G1 Survivor Space"} 4156408.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 1438592.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4283008.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 1.9951104E7
jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space"} 1.1750096E7
jvm_memory_used_bytes{area="nonheap",id="Metaspace"} 8.7782232E7
# EOF

查询参数

终结点使用查询参数来限制它返回的样本。 下表显示了支持的查询参数:Spring中文文档

参数 描述

includedNamesSpring中文文档

将样本限制为与名称匹配的样本。自选。Spring中文文档

参数 描述

includedNamesSpring中文文档

将样本限制为与名称匹配的样本。自选。Spring中文文档

检索筛选的指标

若要检索与特定名称匹配的指标,请使用 query 参数发出请求,如以下基于 curl 的示例所示:GET/actuator/prometheusincludedNamesSpring中文文档

$ 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中文文档

HTTP/1.1 200 OK
Content-Type: text/plain;version=0.0.4;charset=utf-8
Content-Length: 1462

# 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"} 1.90840832E8
jvm_memory_committed_bytes{area="heap",id="G1 Old Gen"} 1.33169152E8
jvm_memory_committed_bytes{area="heap",id="G1 Survivor Space"} 4194304.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 2555904.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4325376.0
jvm_memory_committed_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 2.0054016E7
jvm_memory_committed_bytes{area="nonheap",id="Compressed Class Space"} 1.212416E7
jvm_memory_committed_bytes{area="nonheap",id="Metaspace"} 8.8604672E7
# 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"} 1.7825792E7
jvm_memory_used_bytes{area="heap",id="G1 Old Gen"} 8.4726784E7
jvm_memory_used_bytes{area="heap",id="G1 Survivor Space"} 4156408.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-nmethods'"} 1438592.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'non-profiled nmethods'"} 4293504.0
jvm_memory_used_bytes{area="nonheap",id="CodeHeap 'profiled nmethods'"} 2.002816E7
jvm_memory_used_bytes{area="nonheap",id="Compressed Class Space"} 1.1754616E7
jvm_memory_used_bytes{area="nonheap",id="Metaspace"} 8.7828136E7