Dieterbe

## Global settings ##

# instance id's distinguish stats of multiple relays.
# do not run multiple relays with the same instance id.
# supported variables:
#  ${HOST} : hostname
instance = "${HOST}"
max_procs = 2

admin_addr = "0.0.0.0:2004"

Dieterbe

#!/bin/bash

log () {
	echo "$(date +'%Y/%m/%d %H:%M:%S') $@"
}

for commit in $(cat commits); do
	echo
	log "doing $commit"
	echo

Dieterbe

package main

import (
	"bufio"
	"errors"
	"flag"
	"fmt"
	"log"
	"os"
	"runtime"

Dieterbe

package main

import (
	"bufio"
	"errors"
	"flag"
	"fmt"
	"log"
	"os"
	"runtime"

Dieterbe

package main

import (
	"fmt"
	"os"
	"runtime"
	"time"

	"github.com/prometheus/procfs"
)

Dieterbe

(pprof) list getSeriesCachedStore
Total: 11.87GB
ROUTINE ======================== github.com/grafana/metrictank/api.(*Server).getSeriesCachedStore in /go/src/github.com/grafana/metrictank/api/dataprocessor.go
         0     3.73GB (flat, cum) 31.38% of Total
         .          .    498:}
         .          .    499:
         .          .    500:// will only fetch until until, but uses ctx.To for debug logging
         .          .    501:func (s *Server) getSeriesCachedStore(ctx *requestContext, until uint32) ([]chunk.Iter, error) {
         .          .    502:	var iters []chunk.Iter
         .   512.03kB    503:	var prevts uint32

Dieterbe

~ ❯❯❯ kubemt logs jaeger-agent-540844109-lzx8v -f
{"level":"info","ts":1528222477.9354095,"caller":"tchannel/builder.go:89","msg":"Enabling service discovery","service":"jaeger-collector"}
{"level":"info","ts":1528222477.9355032,"caller":"peerlistmgr/peer_list_mgr.go:111","msg":"Registering active peer","peer":"jaeger-stunnel-client:14267"}
{"level":"info","ts":1528222477.9361155,"caller":"agent/main.go:62","msg":"Starting agent"}
{"level":"info","ts":1528222478.936633,"caller":"peerlistmgr/peer_list_mgr.go:157","msg":"Not enough connected peers","connected":0,"required":1}
{"level":"info","ts":1528222478.9367397,"caller":"peerlistmgr/peer_list_mgr.go:166","msg":"Trying to connect to peer","host:port":"jaeger-stunnel-client:14267"}
{"level":"info","ts":1528222479.1866703,"caller":"peerlistmgr/peer_list_mgr.go:176","msg":"Connected to peer","host:port":"[::]:14267"}
{"level":"info","ts":1528223079.9363415,"caller":"peerlistmgr/peer_list_mgr.go:157","msg":"Not enough connected peers","connected":0,"required":1}

Dieterbe

[WARN] Conflict: github.com/stretchr/testify rev is currently ^v1.2.1, but github.com/uber/tchannel-go wants master
[INFO] github.com/stretchr/testify reference master:
[INFO] - author: Joshua T Corbin <joshua@uber.com>
[INFO] - commit date: Thu, 13 Jul 2017 09:51:06 -0700
[INFO] - subject (first line): Fix the actuality of InEpsilon
[INFO] Keeping github.com/stretchr/testify ^v1.2.1
[ERROR] Error scanning github.com/pkg/errors: open /home/dieter/go/src/github.com/jaegertracing/jaeger/cmd/agent/vendor/github.com/pkg/errors: no such file or directory
[ERROR] Error scanning github.com/spf13/cobra: open /home/dieter/go/src/github.com/jaegertracing/jaeger/cmd/agent/vendor/github.com/spf13/cobra: no such file or directory
[ERROR] Error scanning github.com/spf13/viper: open /home/dieter/go/src/github.com/jaegertracing/jaeger/cmd/agent/vendor/github.com/spf13/viper: no such file or directory
[ERROR] Error scanning go.uber.org/zap: open /home/dieter/go/src/github.com/jaegertracing/jaeger/cmd/agent/vendor/go.uber.org/

Dieterbe

--- FAIL: TestMockTCollectorErrors (0.00s)
        assertions.go:247: ^M                          ^M       Error Trace:    mock_collector_test.go:162
                ^M      Error:          An error is expected but got nil.
                ^M      Test:           TestMockTCollectorErrors
                ^M      Messages:       error because of bad address
=== RUN   TestNewZipkinThriftUDPClient
--- FAIL: TestNewZipkinThriftUDPClient (0.00s)
        assertions.go:247: ^M                          ^M       Error Trace:    thriftudp_client_test.go:27
                ^M      Error:          An error is expected but got nil.
                ^M      Test:           TestNewZipkinThriftUDPClient

Dieterbe

#!/bin/bash
# useful articles:
# https://vstinner.github.io/journey-to-stable-benchmark-system.html 
# http://perf.readthedocs.io/en/latest/system.html
# https://baiweiblog.wordpress.com/2017/11/02/how-to-set-processor-affinity-in-linux-using-taskset/
# https://wiki.archlinux.org/index.php/CPU_frequency_scaling#CPU_frequency_driver

if [[ $EUID > 0 ]]; then
  echo "Please run as root"
  exit 1