Thursday, 15 December 2016

Berkenalan dengan Redis

Pertanyaan : 
  1. Ketika menginstall redis, ada opsi apakah ingin mengaktifkan igbinary serializer support,   lzf compression support dan zstd compression support. Apa kekurangan dan kelebihan mengaktifkan ini ?

Redis di Google Cloud

[4]

redis-benchmark 


redis-benchmark -q -h 10.146.0.5 -p 6379 -c 100 -n 1000000 -k 1 -t set,get,mset,incr,lpush,lpop,sadd,spop,lpush,lrange

Hasil benchmark di MacBook Pro 2018 :

SET: 132240.16 requests per second
GET: 131700.25 requests per second
INCR: 134174.16 requests per second
LPUSH: 134898.16 requests per second
LPOP: 130958.62 requests per second
SADD: 129988.30 requests per second
SPOP: 126246.69 requests per second
LPUSH (needed to benchmark LRANGE): 127258.85 requests per second
LRANGE_100 (first 100 elements): 29457.69 requests per second
LRANGE_300 (first 300 elements): 12210.91 requests per second
LRANGE_500 (first 450 elements): 8519.19 requests per second
LRANGE_600 (first 600 elements): 6515.55 requests per second
MSET (10 keys): 91424.39 requests per second

Hasil benchmark di Google Compute : 

lpush,lpop,sadd,spop,lpush,lrange
SET: 50707.37 requests per second
GET: 50456.63 requests per second
INCR: 50334.72 requests per second
LPUSH: 48775.73 requests per second
LPOP: 49905.18 requests per second
SADD: 50890.59 requests per second
SPOP: 52069.77 requests per second
LPUSH (needed to benchmark LRANGE): 49766.10 requests per second
LRANGE_100 (first 100 elements): 26313.02 requests per second
LRANGE_300 (first 300 elements): 12700.67 requests per second
LRANGE_500 (first 450 elements): 9121.51 requests per second
LRANGE_600 (first 600 elements): 7058.56 requests per second
MSET (10 keys): 39756.69 requests per second

memtier_benchmark


$memtier_benchmark --server=127.0.0.1 --port=6379 --protocol=redis --threads=2 --test-time=120 --ratio=1:1 --clients=600 --data-size=100 --key-pattern=S:S --pipeline=50 --hdr-file-prefix=macbookpro2018


MacBook Pro 2018




Google Compute VM


GCP Memorystore




Latency Spectrum Redis MacBook Pro 2018 vs Google Compute vs GCP Memorystore




Mac Hardware Profile

$ system_profiler SPHardwareDataType
Hardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: MacBookPro15,1
      Processor Name: Intel Core i7
      Processor Speed: 2.6 GHz
      Number of Processors: 1
      Total Number of Cores: 6
      L2 Cache (per Core): 256 KB
      L3 Cache: 9 MB
      Hyper-Threading Technology: Enabled
      Memory: 16 GB
      Boot ROM Version: 1554.60.15.0.0 (iBridge: 18.16.13030.0.0,0)
      Serial Number (system): C02XH8WHJG5J
      Hardware UUID: 21DEED7D-EEA5-53BC-882C-4B073F2C7854

GCP Hardware Profile

e2-standard-2 (2 vCPUs, 8 GB memory)

$ sudo lshw -short
H/W path            Device      Class          Description
==========================================================
                                system         Google Compute Engine
/0                              bus            Google Compute Engine
/0/0                            memory         96KiB BIOS
/0/1001                         processor      Intel(R) Xeon(R) CPU @ 2.00GHz
/0/1002                         processor      CPU
/0/200                          memory         8GiB System Memory
/0/200/0                        memory         8GiB DIMM RAM Synchronous
/0/100                          bridge         440FX - 82441FX PMC [Natoma]
/0/100/1                        bridge         82371AB/EB/MB PIIX4 ISA
/0/100/1.3                      bridge         82371AB/EB/MB PIIX4 ACPI
/0/100/3                        generic        Virtio SCSI
/0/100/3/0          scsi0       generic        Virtual I/O device
/0/100/3/0/0.1.0    /dev/sda    disk           53GB PersistentDisk
/0/100/3/0/0.1.0/1  /dev/sda1   volume         49GiB EXT4 volume
/0/100/3/0/0.1.0/e  /dev/sda14  volume         3071KiB BIOS Boot partition
/0/100/3/0/0.1.0/f              volume         123MiB Windows FAT volume
/0/100/4                        network        Virtio network device
/0/100/4/0          ens4        network        Ethernet interface
/0/100/5                        generic        Virtio memory balloon
/0/100/5/0                      generic        Virtual I/O device
/0/100/6                        generic        Virtio RNG
/0/100/6/0                      generic        Virtual I/O device
/0/1                            system         PnP device PNP0b00
/0/2                            input          PnP device PNP0303
/0/3                            input          PnP device PNP0f13
/0/4                            communication  PnP device PNP0501
/0/5                            communication  PnP device PNP0501
/0/6                            communication  PnP device PNP0501
/0/7                            communication  PnP device PNP0501

Redis GUI

RDM

Untuk Mac, bisa melakukan kompilasi sendiri, sangat mudah jika mengikuti dokumentasi yg ada.

Monitoring Redis dengan  Grafana Dashboard


[7]

/etc/systemd/system/redis_exporter.service

[Unit]
Description=Redis Exporter
Wants=network-online.target
After=network-online.target

[Service]
User=redis_exporter
Group=redis_exporter
Type=simple
ExecStart=/usr/local/bin/redis_exporter

[Install]
WantedBy=multi-user.target


sudo systemctl daemon-reload
sudo systemctl start redis_exporter
sudo systemctl status redis_exporter

Redis Tuning

disable transparent huge

echo never > /sys/kernel/mm/transparent_hugepage/enabled

Enabling overcommit_memory

$ echo 1 > /proc/sys/vm/overcommit_memory 
## Set it persistently 
$ echo 'vm.overcommit_memory = 1' >> /etc/sysctl.conf

Set swappiness at the most least weight

$ echo 1 > /proc/sys/vm/swappiness 
## Set it persistently 
$ echo 'vm.swappiness = 1' >> /etc/sysctl.conf

Memory Usage

nano /etc/redis/redis.conf
# Setting it to 8GB
maxmemory 6442450944

TCP-KeepAlive

## Editing default config file /etc/redis/redis.conf
# Update the value to 0
tcp-keepalive 0



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