I hereby claim:
- I am banks on github.
- I am banksyw (https://keybase.io/banksyw) on keybase.
- I have a public key ASD34ru5nha4p16hYT9Ye62vPO3FM-d3r3Is6xmFLhhH5Ao
To claim this, I am signing this object:
package watchpool | |
import ( | |
"context" | |
"sync" | |
"time" | |
) | |
// WatchPool is a shared container for watch channels that are closed to notify | |
// multiple observers of a change. It allows sharing the monitor goroutine |
Test setup | |
========== | |
DO droplet with 8vcpu 32GB RAM 640GB SSD/ | |
// Master (boltdb log store) | |
Running 10s test @ http://localhost:8500/v1/kv/foo | |
4 threads and 50 connections | |
Thread Stats Avg Stdev Max +/- Stdev | |
Latency 4.91ms 2.84ms 49.55ms 91.78% |
-----BEGIN CERTIFICATE----- | |
MIICpzCCAk2gAwIBAgIUDWOb2bgBLZ+Vuqr7H0dlNxpyfoIwCgYIKoZIzj0EAwIw | |
FDESMBAGA1UEAxMJVGVzdCBDQSAxMB4XDTE4MDYxOTE2NDMyMFoXDTI4MDYxNjE2 | |
NDMyMFowFDESMBAGA1UEAxMJVGVzdCBDQSAxMFkwEwYHKoZIzj0CAQYIKoZIzj0D | |
AQcDQgAEOF9GX0vk+fia1Es114uBi3w+4AK1k+VLvladnJQQzosePPLSnOdE36MY | |
/cYnc+hAWasoqGoZFFCt/xA7+B0HaaOCAXswggF3MA4GA1UdDwEB/wQEAwIBhjAP | |
BgNVHRMBAf8EBTADAQH/MGgGA1UdDgRhBF84YTpjNDozZjo2Mjo5MDo5NzoxMzo1 | |
ODpiOTo4Zjo3NTpmYjplMDo1Yzo5Yjo2Nzo3YTplZjo2Nzo4YjozMjozNTo1Nzow | |
YjowMzpiYzpiNTphMzo5Zjo5YjozMjpkYTBqBgNVHSMEYzBhgF84YTpjNDozZjo2 | |
Mjo5MDo5NzoxMzo1ODpiOTo4Zjo3NTpmYjplMDo1Yzo5Yjo2Nzo3YTplZjo2Nzo4 |
package main | |
import ( | |
"bytes" | |
"compress/lzw" | |
"crypto/md5" | |
"encoding/gob" | |
"fmt" | |
"log" | |
"time" |
// ecdh implements a simple way to perform Diffie-Hellman Key Exchange using | |
// Curve25519 on the command line. | |
// | |
// NOTE: this is a toy for fun. Don't use it. | |
// | |
// See https://godoc.org/golang.org/x/crypto/curve25519 and | |
// https://cr.yp.to/ecdh.html for more info. | |
// | |
// The final shared secret given is the raw shared secret bytes from DH and is | |
// not typically suitable for direct use as an encryption key as it can leak |
#! /bin/bash | |
# Sets up outgoing dummynet in pf firewall suitable for use to throttle outgoing network | |
# connections. gtihub.com/tylertreat/comcast is a much nicer tool but I couldn't get it to work due | |
# to shell issues and more - it seemed to only setup inbound rules in pf which don't affect outbound | |
# TCP connections in my tests. | |
TARGET=$1 | |
PIPECFG=${2:-"plr 1"} |
$ ./grpc_proxy_bug.sh | |
Putting /grpc_proxy_bug/001 | |
OK | |
Putting /grpc_proxy_bug/002 | |
OK | |
Putting /grpc_proxy_bug/003 | |
OK | |
Putting /grpc_proxy_bug/004 | |
OK | |
Putting /grpc_proxy_bug/005 |
bash-4.4$ export STEP=120 | |
bash-4.4$ for i in $(seq 1 10 600); do START=$((1485176922 + i)); END=$((1485263322 + $i)); echo "$START - $END"; curl 2>/dev/null "http://prometheus.1.dblayer.com:9090/api/v1/query_range?query=cpu_usage_user%7Bhost%3D%22candidate.57%22%7D%20&start=$START&end=$END&step=$STEP" | jq '.data.result[0].values[] | .[1] | tonumber' | awk -v max=0 -v min=9999 '{ total += $1; count++; if($1>max){max=$1}; if($1<min){min=$1} } END { print " " total/count, max, min}'; done | |
1485176923 - 1485263323 | |
45.4626 91.07730456963016 12.89468239168138 | |
1485176933 - 1485263333 | |
30.1437 86.16109881174854 10.058442152821929 | |
1485176943 - 1485263343 | |
30.1437 86.16109881174854 10.058442152821929 | |
1485176953 - 1485263353 | |
23.3495 71.28118644816615 6.88269494352532 |
I hereby claim:
To claim this, I am signing this object:
// On Macbook pro quad-core 2014 retina 15inch | |
Opts: {} | |
Batches of 1 | |
Inserting 5000 docs took 52808.177948ms @ 94.6822834187 per second | |
Batches of 10 | |
Inserting 5000 docs took 9779.50787544ms @ 511.27290901 per second | |
Batches of 200 | |
Inserting 5000 docs took 1662.64986992ms @ 3007.23692097 per second | |
Opts: {'durability': 'soft'} | |
Batches of 1 |