Prometeus 2.35.0 new features

Prometheus 

2.35.0

  Now? (2022.04.21) Has been released , Last month's  

2.34.0

  After that, many repairs and improvements have been made .

This update adds a lot of new features , And fix some  BUG .

Prometheus  This release uses  Go 1.18  Build version , Contains two and TLS Relevant significant changes :

The client is disabled by default TLS 1.0 and 1.1 agreement .Prometheus  Users can use  tls_config  Of  min_version  Parameter to override it . If you use  SHA-1  Certificate signed by hash function will be rejected , This does not apply to self signed root certificates .

PromQL & promtool

Promtool  The tool adds a new parameter  

--lint

 , This parameter is used to check the rules and check the configuration , The exit code that caused the check error is  （3）, This parameter is on by default .

PromQL  The query statement extends the statistics using the total number of samples and the peak number in the query . Besides , In the query  API  Use in  

--enable-feature=promql-per-step-stats

  And use  

stats=all

  You can get the statistics of each step . have access to  

--enable-feature=per-step-stats

 .

TSDB

There is a change in the time series database , When to start  Prometheus  Will be deleted when  *.tmp  Of  WAL  file . The time series database is starting to read  WAL  Can sort and classify more effectively .

SD

Azure  Service discovery adds an indicator to track  Azure  Service discovery failure , There is also a new one  resource_group  Configuration options .

First  K8s  Service discovery allows node metadata to be attached to the discovered  pods  On . secondly  K8s  Support  discovery.k8s.io/v1  Of  EndpointSlice , There used to be only discovery.k8s.io/v1beta1 EndpointSlice  Be supported .

K8s  The service found that one was fixed this time  BUG, Explicitly include from  k8s.io  Of  gcp  authentication .

UI

UI  Aspect fixed that tooltips for getting metrics interval and duration are not displayed in  Target  Questions on the page .

Prometheus Agent

Prometheus Agent  Fixed loading a with multiple segments WAL when ID The question of conflict .

Remote-write

The remote write aspect fixes the deadlock problem between batch processing and refresh queue .

Other

Prometheus  Support the automatic setting of variables  GOMAXPROCS  Set as container  CPU  Limit , Use  

--enable-feature=auto-gomaxprocs

  Parameter on .

Prometheus  Repair the  OpenMetrics  Parser to sort the upper case labels correctly .

Tracing  and  GRPC  Aspect only  

insecure

  by  false  Set when  TLS  Authentication credentials for .

OAuth2 aspect  Prometheus  This update will support the use of proxies URL To get OAuth2 token

configuration ,Prometheus  Added add disable  HTTP2  The ability of , And support minimal coverage TLS edition .

Detailed release notes can be viewed  

release notes

 .

Reference link

• https://github.com/prometheus/prometheus/releases/tag/v2.35.0 ,By prombot of GitHub