ืชืจืืื ืืืืืจ ืืืื ืืืืืื ืขืืืจ ืชืืืืื ืืงืืจืก
ืืคื ื ืฉื ืชืืื ืืืืืชื
ClickHouse ืืืจืื ื-170 ืืืฃ ืฉืืจืืช ืฉื ืงืื C++, ืื ืืืื ืกืคืจืืืช ืฉื ืฆื ืฉืืืฉื, ืืืื ืืื ืืืกืืกื ืืงืื ืืืืืืจืื ืืืืชืจ ืฉื ืืกืื ื ืชืื ืื. ืืฉื ืืฉืืืื, SQLite ืื ืชืืืืช ืืืคืฆื ืืืืจืืืช ื-235 ืืืฃ ืฉืืจืืช ืฉื ืงืื C. ื ืืื ืืืชืืืช ืฉืืจืืช ืืื, 207 ืืื ืืกืื ืชืจืื ื-ClickHouse, ืืขืืฆืืช ื-commits ืขืืชื ืืืืจืื ื.
ืืืจืฅ 2017, ืงืืืงืืืืก ืืืื ืื ืื
ืืืืืจ ืื, ืื ื ืืืื ืืืกืชืื ืขื ืืืืฆืืขืื ืฉื ืืฉืืื ClickHouse ื-AWS EC2 ืืืืฆืขืืช ืืขืืื 36 ืืืืืช ืืืืกืื NVMe.
ืขืืืื: ืฉืืืข ืืืืจ ืคืจืกืื ืืคืืกื ืืื ืืืงืืจ, ืจืฆืชื ืืืืฉ ืืช ืืืืืงื ืขื ืชืฆืืจื ืืฉืืคืจืช ืืืฉืืชื ืชืืฆืืืช ืืืืืช ืืืจืื. ืคืืกื ืื ืขืืืื ืืื ืืฉืงืฃ ืืช ืืฉืื ืืืื ืืืื.
ืืฉืงืช ืืฉืืื AWS EC2
ืื ื ืืฉืชืืฉ ืืฉืืืฉื ืืืคืขื c5d.9xlarge EC2 ืขืืืจ ืืคืืกื ืืื. ืื ืืื ืืื ืืืื 36 ืืขืืืื ืืืจืืืืืืื, 72 GB ืฉื ืืืืจืื RAM, 900 GB ืฉื ืืืกืื NVMe SSD ืืชืืื ืืจืฉืช 10 Gigabit. ืื ืขืืืื $1,962 ืืฉืขื ืื ืืื ืืืืืจ eu-west-1 ืืืฉืจ ืื ืคืืขืืื ืืคื ืืจืืฉื. ืื ื ืืฉืชืืฉ ื-Ubuntu Server 16.04 LTS ืืืขืจืืช ืืืคืขืื.
ืืืืช ืืืฉ ืืืืืจืช ืื ืฉืื ืืืฉื ืืืื ืืชืงืฉืจ ืืื ืขื ืืฉื ื ืืื ืืืืืืช, ืืจืง ืืชืืืช ื-IPv4 ืฉืื ืจืฉืืื ืขื ืืื SSH ืืืฉืืื.
ืืื ื NVMe ืืืฆื ืืืื ืืช ืชืคืขืืืืช
ืืื ืฉ-ClickHouse ืืขืืื, ืืฆืืจ ืืขืจืืช ืงืืฆืื ืืคืืจืื EXT4 ืืืื ื NVMe ืืื ืืื ืืืฉืจืชืื.
$ sudo mkfs -t ext4 /dev/nvme1n1
$ sudo mkdir /ch
$ sudo mount /dev/nvme1n1 /ch
ืืืืจ ืฉืืื ืืืืืจ, ืืชื ืืืื ืืจืืืช ืืช ื ืงืืืช ืืืจืืื ืืืช 783 GB ืฉื ืฉืื ืืืื ืืื ืืขืจืืช.
$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
loop0 7:0 0 87.9M 1 loop /snap/core/5742
loop1 7:1 0 16.5M 1 loop /snap/amazon-ssm-agent/784
nvme0n1 259:1 0 8G 0 disk
โโnvme0n1p1 259:2 0 8G 0 part /
nvme1n1 259:0 0 838.2G 0 disk /ch
$ df -h
Filesystem Size Used Avail Use% Mounted on
udev 35G 0 35G 0% /dev
tmpfs 6.9G 8.8M 6.9G 1% /run
/dev/nvme0n1p1 7.7G 967M 6.8G 13% /
tmpfs 35G 0 35G 0% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 35G 0 35G 0% /sys/fs/cgroup
/dev/loop0 88M 88M 0 100% /snap/core/5742
/dev/loop1 17M 17M 0 100% /snap/amazon-ssm-agent/784
tmpfs 6.9G 0 6.9G 0% /run/user/1000
/dev/nvme1n1 825G 73M 783G 1% /ch
ืืขืจื ืื ืชืื ืื ืฉืื ืืฉืชืืฉ ืืืืืงื ืื ืืื ืืืืื ืฉื ื ืชืื ืื ืฉืืฆืจืชื ื-1.1 ืืืืืืจื ื ืกืืขืืช ืืืื ืืืช ืฉืืืฆืขื ืื ืื ืืืจืง ืืืฉื ืฉืฉ ืฉื ืื. ืืืืื
$ sudo apt update
$ sudo apt install awscli
$ aws configure
ืื ื ืืืืืจ ืืช ืืืืืช ืืืงืฉืืช ืื-ืืื ืืช ืฉื ืืืงืื ื-100 ืืื ืืืืจืื ืงืืฆืื ืืืจ ืืืชืจ ืืืืืจืืช ืืจืืจืช ืืืืื.
$ aws configure set
default.s3.max_concurrent_requests
100
ืื ื ืืืจืื ืืช ืืขืจื ืื ืกืืขืืช ืืืื ืืืช ื-AWS S3 ืืืืืกื ืืืชื ืืืื ื NVMe ืืฉืจืช ืืจืืฉืื. ืืขืจื ืื ืชืื ืื ืืื ืืื ~104GB ืืคืืจืื CSV ืืืืก GZIP.
$ sudo mkdir -p /ch/csv
$ sudo chown -R ubuntu /ch/csv
$ aws s3 sync s3://<bucket>/csv /ch/csv
ืืชืงื ืช ClickHouse
ืื ื ืืชืงืื ืืช ืืคืฆืช OpenJDK ืขืืืจ Java 8 ืืคื ืฉืืื ื ืืจืฉืช ืืื ืืืคืขืื ืืช Apache ZooKeeper, ืืฉืจ ื ืืจืฉืช ืืืชืงื ื ืืืืืจืช ืฉื ClickHouse ืืื ืฉืืืฉืช ืืืืื ืืช.
$ sudo apt update
$ sudo apt install
openjdk-8-jre
openjdk-8-jdk-headless
ืืื ืื ื ืืืืืจ ืืช ืืฉืชื ื ืืกืืืื JAVA_HOME
.
$ sudo vi /etc/profile
export JAVA_HOME=/usr
$ source /etc/profile
ืืืืจ ืืื ืืฉืชืืฉ ืืืขืจืืช ื ืืืื ืืืืืืืช ืฉื ืืืืื ืื ืืื ืืืชืงืื ืืช ClickHouse 18.16.1, ืืืืื ื-ZooKeeper ืืื ืฉืืืฉืช ืืืืื ืืช.
$ sudo apt-key adv
--keyserver hkp://keyserver.ubuntu.com:80
--recv E0C56BD4
$ echo "deb http://repo.yandex.ru/clickhouse/deb/stable/ main/" |
sudo tee /etc/apt/sources.list.d/clickhouse.list
$ sudo apt-get update
$ sudo apt install
clickhouse-client
clickhouse-server
glances
zookeeperd
ืื ื ืืฆืืจ ืกืคืจืืื ืขืืืจ ClickHouse ืืื ืืขืฉื ืืื ืขืงืืคืืช ืชืฆืืจื ืืื ืฉืืืฉืช ืืฉืจืชืื.
$ sudo mkdir /ch/clickhouse
$ sudo chown -R clickhouse /ch/clickhouse
$ sudo mkdir -p /etc/clickhouse-server/conf.d
$ sudo vi /etc/clickhouse-server/conf.d/taxis.conf
ืืื ืื ืขืงืืคืืช ืืชืฆืืจื ืฉืืื ืืฉืชืืฉ.
<?xml version="1.0"?>
<yandex>
<listen_host>0.0.0.0</listen_host>
<path>/ch/clickhouse/</path>
<remote_servers>
<perftest_3shards>
<shard>
<replica>
<host>172.30.2.192</host>
<port>9000</port>
</replica>
</shard>
<shard>
<replica>
<host>172.30.2.162</host>
<port>9000</port>
</replica>
</shard>
<shard>
<replica>
<host>172.30.2.36</host>
<port>9000</port>
</replica>
</shard>
</perftest_3shards>
</remote_servers>
<zookeeper-servers>
<node>
<host>172.30.2.192</host>
<port>2181</port>
</node>
<node>
<host>172.30.2.162</host>
<port>2181</port>
</node>
<node>
<host>172.30.2.36</host>
<port>2181</port>
</node>
</zookeeper-servers>
<macros>
<shard>03</shard>
<replica>01</replica>
</macros>
</yandex>
ืืืืจ ืืื ืืคืขืื ืืช ZooKeeper ืืืช ืฉืจืช ClickHouse ืืื ืฉืืืฉืช ืืืืื ืืช.
$ sudo /etc/init.d/zookeeper start
$ sudo service clickhouse-server start
ืืขืืืช ื ืชืื ืื ืืงืืืงืืืืก
ืืฉืจืช ืืจืืฉืื ืืฆืืจ ืืืืช ืืืืืื (trips
), ืืฉืจ ืืืืกื ืืขืจื ื ืชืื ืื ืฉื ื ืกืืขืืช ืืืื ืืืช ืืืืฆืขืืช ืื ืืข Log.
$ clickhouse-client --host=0.0.0.0
CREATE TABLE trips (
trip_id UInt32,
vendor_id String,
pickup_datetime DateTime,
dropoff_datetime Nullable(DateTime),
store_and_fwd_flag Nullable(FixedString(1)),
rate_code_id Nullable(UInt8),
pickup_longitude Nullable(Float64),
pickup_latitude Nullable(Float64),
dropoff_longitude Nullable(Float64),
dropoff_latitude Nullable(Float64),
passenger_count Nullable(UInt8),
trip_distance Nullable(Float64),
fare_amount Nullable(Float32),
extra Nullable(Float32),
mta_tax Nullable(Float32),
tip_amount Nullable(Float32),
tolls_amount Nullable(Float32),
ehail_fee Nullable(Float32),
improvement_surcharge Nullable(Float32),
total_amount Nullable(Float32),
payment_type Nullable(String),
trip_type Nullable(UInt8),
pickup Nullable(String),
dropoff Nullable(String),
cab_type Nullable(String),
precipitation Nullable(Int8),
snow_depth Nullable(Int8),
snowfall Nullable(Int8),
max_temperature Nullable(Int8),
min_temperature Nullable(Int8),
average_wind_speed Nullable(Int8),
pickup_nyct2010_gid Nullable(Int8),
pickup_ctlabel Nullable(String),
pickup_borocode Nullable(Int8),
pickup_boroname Nullable(String),
pickup_ct2010 Nullable(String),
pickup_boroct2010 Nullable(String),
pickup_cdeligibil Nullable(FixedString(1)),
pickup_ntacode Nullable(String),
pickup_ntaname Nullable(String),
pickup_puma Nullable(String),
dropoff_nyct2010_gid Nullable(UInt8),
dropoff_ctlabel Nullable(String),
dropoff_borocode Nullable(UInt8),
dropoff_boroname Nullable(String),
dropoff_ct2010 Nullable(String),
dropoff_boroct2010 Nullable(String),
dropoff_cdeligibil Nullable(String),
dropoff_ntacode Nullable(String),
dropoff_ntaname Nullable(String),
dropoff_puma Nullable(String)
) ENGINE = Log;
ืืืืจ ืืื ืื ื ืืืืฅ ืืืืขื ืื ืืื ืืงืืฆื ื-CSV ืืืืืช ืืืื (trips
). ืืืืจ ืืื ืืืฉืื ืชืื 55 ืืงืืช ื-10 ืฉื ืืืช. ืืืืจ ืคืขืืื ืื, ืืืื ืกืคืจืืืช ืื ืชืื ืื ืืื 134 GB.
$ time (for FILENAME in /ch/csv/trips_x*.csv.gz; do
echo $FILENAME
gunzip -c $FILENAME |
clickhouse-client
--host=0.0.0.0
--query="INSERT INTO trips FORMAT CSV"
done)
ืืืืจืืช ืืืืืื โโืืืืชื 155 MB ืฉื ืชืืื CSV ืื ืืืืก ืืฉื ืืื. ืื ื ืืืฉื ืฉืื ื ืืข ืืฆืืืืจ ืืงืืืง ืืคืืจืืง GZIP. ืืชืื ืฉืืื ืืืืจ ืืืชืจ ืืคืจืืก ืืช ืื ืืงืืฆืื ื-gzipped ืืืงืืื ืืืืฆืขืืช xargs ืืืืืจ ืืื ืืืขืื ืืช ืื ืชืื ืื ืฉื ืคืจืื. ืืืื ืชืืืืจ ืฉื ืื ืฉืืืื ืืืืื ืชืืืื ืืืืื โโื-CSV.
$ sudo glances
ip-172-30-2-200 (Ubuntu 16.04 64bit / Linux 4.4.0-1072-aws) Uptime: 0:11:42
CPU 8.2% nice: 0.0% LOAD 36-core MEM 9.8% active: 5.20G SWAP 0.0%
user: 6.0% irq: 0.0% 1 min: 2.24 total: 68.7G inactive: 61.0G total: 0
system: 0.9% iowait: 1.3% 5 min: 1.83 used: 6.71G buffers: 66.4M used: 0
idle: 91.8% steal: 0.0% 15 min: 1.01 free: 62.0G cached: 61.6G free: 0
NETWORK Rx/s Tx/s TASKS 370 (507 thr), 2 run, 368 slp, 0 oth sorted automatically by cpu_percent, flat view
ens5 136b 2Kb
lo 343Mb 343Mb CPU% MEM% VIRT RES PID USER NI S TIME+ IOR/s IOW/s Command
100.4 1.5 1.65G 1.06G 9909 ubuntu 0 S 1:01.33 0 0 clickhouse-client --host=0.0.0.0 --query=INSERT INTO trips FORMAT CSV
DISK I/O R/s W/s 85.1 0.0 4.65M 708K 9908 ubuntu 0 R 0:50.60 32M 0 gzip -d -c /ch/csv/trips_xac.csv.gz
loop0 0 0 54.9 5.1 8.14G 3.49G 8091 clickhous 0 S 1:44.23 0 45M /usr/bin/clickhouse-server --config=/etc/clickhouse-server/config.xml
loop1 0 0 4.5 0.0 0 0 319 root 0 S 0:07.50 1K 0 kworker/u72:2
nvme0n1 0 3K 2.3 0.0 91.1M 28.9M 9912 root 0 R 0:01.56 0 0 /usr/bin/python3 /usr/bin/glances
nvme0n1p1 0 3K 0.3 0.0 0 0 960 root -20 S 0:00.10 0 0 kworker/28:1H
nvme1n1 32.1M 495M 0.3 0.0 0 0 1058 root -20 S 0:00.90 0 0 kworker/23:1H
ืื ื ืืคื ื ืืงืื ืืืื ื NVMe ืขื ืืื ืืืืงืช ืงืืฆื ื-CSV ืืืงืืจืืื ืืคื ื ืฉืืืฉืื.
$ sudo rm -fr /ch/csv
ืืืจ ืืืืคืก ืขืืืื
ืื ืืข Log ClickHouse ืืืืกื ื ืชืื ืื ืืคืืจืื ืืืืื ืฉืืจื. ืืื ืืืฆืข ืฉืืืืชืืช ื ืชืื ืื ืืืจ ืืืชืจ, ืื ื ืืืืจ ืืืชื ืืคืืจืื ืขืืืืืช ืืืืฆืขืืช ืื ืืข MergeTree.
$ clickhouse-client --host=0.0.0.0
ืืืืจ ืืื ืืืฉืื ืชืื 34 ืืงืืช ื-50 ืฉื ืืืช. ืืืืจ ืคืขืืื ืื, ืืืื ืกืคืจืืืช ืื ืชืื ืื ืืื 237 GB.
CREATE TABLE trips_mergetree
ENGINE = MergeTree(pickup_date, pickup_datetime, 8192)
AS SELECT
trip_id,
CAST(vendor_id AS Enum8('1' = 1,
'2' = 2,
'CMT' = 3,
'VTS' = 4,
'DDS' = 5,
'B02512' = 10,
'B02598' = 11,
'B02617' = 12,
'B02682' = 13,
'B02764' = 14)) AS vendor_id,
toDate(pickup_datetime) AS pickup_date,
ifNull(pickup_datetime, toDateTime(0)) AS pickup_datetime,
toDate(dropoff_datetime) AS dropoff_date,
ifNull(dropoff_datetime, toDateTime(0)) AS dropoff_datetime,
assumeNotNull(store_and_fwd_flag) AS store_and_fwd_flag,
assumeNotNull(rate_code_id) AS rate_code_id,
assumeNotNull(pickup_longitude) AS pickup_longitude,
assumeNotNull(pickup_latitude) AS pickup_latitude,
assumeNotNull(dropoff_longitude) AS dropoff_longitude,
assumeNotNull(dropoff_latitude) AS dropoff_latitude,
assumeNotNull(passenger_count) AS passenger_count,
assumeNotNull(trip_distance) AS trip_distance,
assumeNotNull(fare_amount) AS fare_amount,
assumeNotNull(extra) AS extra,
assumeNotNull(mta_tax) AS mta_tax,
assumeNotNull(tip_amount) AS tip_amount,
assumeNotNull(tolls_amount) AS tolls_amount,
assumeNotNull(ehail_fee) AS ehail_fee,
assumeNotNull(improvement_surcharge) AS improvement_surcharge,
assumeNotNull(total_amount) AS total_amount,
assumeNotNull(payment_type) AS payment_type_,
assumeNotNull(trip_type) AS trip_type,
pickup AS pickup,
pickup AS dropoff,
CAST(assumeNotNull(cab_type)
AS Enum8('yellow' = 1, 'green' = 2))
AS cab_type,
precipitation AS precipitation,
snow_depth AS snow_depth,
snowfall AS snowfall,
max_temperature AS max_temperature,
min_temperature AS min_temperature,
average_wind_speed AS average_wind_speed,
pickup_nyct2010_gid AS pickup_nyct2010_gid,
pickup_ctlabel AS pickup_ctlabel,
pickup_borocode AS pickup_borocode,
pickup_boroname AS pickup_boroname,
pickup_ct2010 AS pickup_ct2010,
pickup_boroct2010 AS pickup_boroct2010,
pickup_cdeligibil AS pickup_cdeligibil,
pickup_ntacode AS pickup_ntacode,
pickup_ntaname AS pickup_ntaname,
pickup_puma AS pickup_puma,
dropoff_nyct2010_gid AS dropoff_nyct2010_gid,
dropoff_ctlabel AS dropoff_ctlabel,
dropoff_borocode AS dropoff_borocode,
dropoff_boroname AS dropoff_boroname,
dropoff_ct2010 AS dropoff_ct2010,
dropoff_boroct2010 AS dropoff_boroct2010,
dropoff_cdeligibil AS dropoff_cdeligibil,
dropoff_ntacode AS dropoff_ntacode,
dropoff_ntaname AS dropoff_ntaname,
dropoff_puma AS dropoff_puma
FROM trips;
ืื ื ืจืื ืคืื ืืืื ืืืืื ืืคืขืืื:
ip-172-30-2-200 (Ubuntu 16.04 64bit / Linux 4.4.0-1072-aws) Uptime: 1:06:09
CPU 10.3% nice: 0.0% LOAD 36-core MEM 16.1% active: 13.3G SWAP 0.0%
user: 7.9% irq: 0.0% 1 min: 1.87 total: 68.7G inactive: 52.8G total: 0
system: 1.6% iowait: 0.8% 5 min: 1.76 used: 11.1G buffers: 71.8M used: 0
idle: 89.7% steal: 0.0% 15 min: 1.95 free: 57.6G cached: 57.2G free: 0
NETWORK Rx/s Tx/s TASKS 367 (523 thr), 1 run, 366 slp, 0 oth sorted automatically by cpu_percent, flat view
ens5 1Kb 8Kb
lo 2Kb 2Kb CPU% MEM% VIRT RES PID USER NI S TIME+ IOR/s IOW/s Command
241.9 12.8 20.7G 8.78G 8091 clickhous 0 S 30:36.73 34M 125M /usr/bin/clickhouse-server --config=/etc/clickhouse-server/config.xml
DISK I/O R/s W/s 2.6 0.0 90.4M 28.3M 9948 root 0 R 1:18.53 0 0 /usr/bin/python3 /usr/bin/glances
loop0 0 0 1.3 0.0 0 0 203 root 0 S 0:09.82 0 0 kswapd0
loop1 0 0 0.3 0.1 315M 61.3M 15701 ubuntu 0 S 0:00.40 0 0 clickhouse-client --host=0.0.0.0
nvme0n1 0 3K 0.3 0.0 0 0 7 root 0 S 0:00.83 0 0 rcu_sched
nvme0n1p1 0 3K 0.0 0.0 0 0 142 root 0 S 0:00.22 0 0 migration/27
nvme1n1 25.8M 330M 0.0 0.0 59.7M 1.79M 2764 ubuntu 0 S 0:00.00 0 0 (sd-pam)
ืืืืืงื ืืืืจืื ื ืืืืจื ืืกืคืจ ืขืืืืืช ืืืืฉืื ืืืืฉ. ืืืืืชื ืฉืืืง ืืืคืื ืงืฆืืืช ืืืื ืืืจ ืื ืขืืืืืช ืืฆืคืื ืืืขืจื ืื ืชืื ืื ืืื. ืืื ืืคืชืืจ ืืขืื ืื, ืืกืจืชื ืืช ืืคืื ืงืฆืืืช ืืืืชื ืืชืืืืืช ืืืขื ืชื ืืช ืื ืชืื ืื ืืืื ืืืืืจ ืืกืืืื ืืืชืจ ืืจืขืื ืืื.
ืืคืฆื ืฉื ื ืชืื ืื ืืจืืื ืืืฉืืื
ืื ื ืืคืืฅ ืืช ืื ืชืื ืื ืขื ืคื ื ืื ืฉืืืฉืช ืฆืืชื ืืืฉืืื. ืืื ืืืชืืื, ืืืื ืืฆืืจ ืืืื ืขื ืื ืฉืืืฉืช ืืืืื ืืช.
$ clickhouse-client --host=0.0.0.0
CREATE TABLE trips_mergetree_third (
trip_id UInt32,
vendor_id String,
pickup_date Date,
pickup_datetime DateTime,
dropoff_date Date,
dropoff_datetime Nullable(DateTime),
store_and_fwd_flag Nullable(FixedString(1)),
rate_code_id Nullable(UInt8),
pickup_longitude Nullable(Float64),
pickup_latitude Nullable(Float64),
dropoff_longitude Nullable(Float64),
dropoff_latitude Nullable(Float64),
passenger_count Nullable(UInt8),
trip_distance Nullable(Float64),
fare_amount Nullable(Float32),
extra Nullable(Float32),
mta_tax Nullable(Float32),
tip_amount Nullable(Float32),
tolls_amount Nullable(Float32),
ehail_fee Nullable(Float32),
improvement_surcharge Nullable(Float32),
total_amount Nullable(Float32),
payment_type Nullable(String),
trip_type Nullable(UInt8),
pickup Nullable(String),
dropoff Nullable(String),
cab_type Nullable(String),
precipitation Nullable(Int8),
snow_depth Nullable(Int8),
snowfall Nullable(Int8),
max_temperature Nullable(Int8),
min_temperature Nullable(Int8),
average_wind_speed Nullable(Int8),
pickup_nyct2010_gid Nullable(Int8),
pickup_ctlabel Nullable(String),
pickup_borocode Nullable(Int8),
pickup_boroname Nullable(String),
pickup_ct2010 Nullable(String),
pickup_boroct2010 Nullable(String),
pickup_cdeligibil Nullable(FixedString(1)),
pickup_ntacode Nullable(String),
pickup_ntaname Nullable(String),
pickup_puma Nullable(String),
dropoff_nyct2010_gid Nullable(UInt8),
dropoff_ctlabel Nullable(String),
dropoff_borocode Nullable(UInt8),
dropoff_boroname Nullable(String),
dropoff_ct2010 Nullable(String),
dropoff_boroct2010 Nullable(String),
dropoff_cdeligibil Nullable(String),
dropoff_ntacode Nullable(String),
dropoff_ntaname Nullable(String),
dropoff_puma Nullable(String)
) ENGINE = MergeTree(pickup_date, pickup_datetime, 8192);
ืืืืจ ืืื ืืืืื ืฉืืฉืจืช ืืจืืฉืื ืืืื ืืจืืืช ืืช ืื ืฉืืืฉืช ืืฆืืชืื ืืืฉืืื.
SELECT *
FROM system.clusters
WHERE cluster = 'perftest_3shards'
FORMAT Vertical;
Row 1:
โโโโโโ
cluster: perftest_3shards
shard_num: 1
shard_weight: 1
replica_num: 1
host_name: 172.30.2.192
host_address: 172.30.2.192
port: 9000
is_local: 1
user: default
default_database:
Row 2:
โโโโโโ
cluster: perftest_3shards
shard_num: 2
shard_weight: 1
replica_num: 1
host_name: 172.30.2.162
host_address: 172.30.2.162
port: 9000
is_local: 0
user: default
default_database:
Row 3:
โโโโโโ
cluster: perftest_3shards
shard_num: 3
shard_weight: 1
replica_num: 1
host_name: 172.30.2.36
host_address: 172.30.2.36
port: 9000
is_local: 0
user: default
default_database:
ืืืืจ ืืื ืืืืืจ ืืืื ืืืฉื ืืฉืจืช ืืจืืฉืื ืฉืืืืกืกืช ืขื ืืกืืื trips_mergetree_third
ืืืฉืชืืฉ ืืื ืืข ืืืืืืจ.
CREATE TABLE trips_mergetree_x3
AS trips_mergetree_third
ENGINE = Distributed(perftest_3shards,
default,
trips_mergetree_third,
rand());
ืืืืจ ืืื ืืขืชืืง ืืช ืื ืชืื ืื ืืืืืื ืืืืืกืกืช ืขื MergeTree ืืื ืฉืืืฉืช ืืฉืจืชืื. ืืืืจ ืืื ืืืฉืื ืชืื 34 ืืงืืช ื-44 ืฉื ืืืช.
INSERT INTO trips_mergetree_x3
SELECT * FROM trips_mergetree;
ืืืืจ ืืคืขืืื ืื "ื, ื ืชืชื ื-ClickHouse 15 ืืงืืช ืืืชืจืืง ืืกืืืื ืจืืช ืืืืกืื ืืืงืกืืืืืช. ืกืคืจืืืช ืื ืชืื ืื ืืกืืคื ืฉื ืืืจ ืืื 264 GB, 34 GB ื-33 GB ืืืชืืื ืืื ืืื ืืฉืืืฉืช ืืฉืจืชืื.
ืืขืจืืช ืืืฆืืขื ืืฉืืื ClickHouse
ืื ืฉืจืืืชื ืืืจ ืื ืืื ืืืื ืืืืืจ ืืืืชืจ ืฉืจืืืชื ืืจืืฆืื ืื ืฉืืืืชื ืืืืื ืืกืคืจ ืคืขืืื trips_mergetree_x3
.
$ clickhouse-client --host=0.0.0.0
ืืคืจืง ืืื ืืืฉืื ืชืื 2.449 ืฉื ืืืช.
SELECT cab_type, count(*)
FROM trips_mergetree_x3
GROUP BY cab_type;
ืืคืจืง ืืื ืืืฉืื ืชืื 0.691 ืฉื ืืืช.
SELECT passenger_count,
avg(total_amount)
FROM trips_mergetree_x3
GROUP BY passenger_count;
ืืืืจ ืืื ืืืฉืื ืชืื 0 ืฉื ืืืช.
SELECT passenger_count,
toYear(pickup_date) AS year,
count(*)
FROM trips_mergetree_x3
GROUP BY passenger_count,
year;
ืืคืจืง ืืื ืืืฉืื ืชืื 0.983 ืฉื ืืืช.
SELECT passenger_count,
toYear(pickup_date) AS year,
round(trip_distance) AS distance,
count(*)
FROM trips_mergetree_x3
GROUP BY passenger_count,
year,
distance
ORDER BY year,
count(*) DESC;
ืืฉื ืืฉืืืื, ืืจืฆืชื ืืช ืืืชื ืฉืืืืชืืช ืืืืื ืืืืกืกืช MergeTree ืฉืฉืืื ืช ืื ืืจืง ืืฉืจืช ืืจืืฉืื.
ืืขืจืืช ืืืฆืืขืื ืฉื ืฆืืืช ClickHouse ืืื
ืื ืฉืจืืืชื ืืืจ ืื ืืื ืืืื ืืืืืจ ืืืืชืจ ืฉืจืืืชื ืืจืืฆืื ืื ืฉืืืืชื ืืืืื ืืกืคืจ ืคืขืืื trips_mergetree_x3
.
ืืคืจืง ืืื ืืืฉืื ืชืื 0.241 ืฉื ืืืช.
SELECT cab_type, count(*)
FROM trips_mergetree
GROUP BY cab_type;
ืืคืจืง ืืื ืืืฉืื ืชืื 0.826 ืฉื ืืืช.
SELECT passenger_count,
avg(total_amount)
FROM trips_mergetree
GROUP BY passenger_count;
ืืคืจืง ืืื ืืืฉืื ืชืื 1.209 ืฉื ืืืช.
SELECT passenger_count,
toYear(pickup_date) AS year,
count(*)
FROM trips_mergetree
GROUP BY passenger_count,
year;
ืืคืจืง ืืื ืืืฉืื ืชืื 1.781 ืฉื ืืืช.
SELECT passenger_count,
toYear(pickup_date) AS year,
round(trip_distance) AS distance,
count(*)
FROM trips_mergetree
GROUP BY passenger_count,
year,
distance
ORDER BY year,
count(*) DESC;
ืืจืืืจืื ืขื ืืชืืฆืืืช
ืื ืืคืขื ืืจืืฉืื ื ืฉืืกื ื ืชืื ืื ืืื ืื ืืืืกืก CPU ืืฆืืื ืืืชืขืืืช ืขื ืืกื ื ืชืื ืื ืืืืกืก GPU ืืืืืงืืช ืฉืื. ืืกื ืื ืชืื ืื ืืืืกืก ื-GPU ืืื ืขืืจ ืฉืชื ืืจืกืืืช ืืื, ืืื ืืืืฆืืขืื ืฉ-ClickHouse ืกืืคืงื ืขื ืฆืืืช ืืืื ืืื ืืืช ืืจืฉืืืื ืืืื.
ืืื ืขื ืืืช, ืืขืช ืืืฆืืข ืฉืืืืชื 1 ืืื ืืข ืืืืืจ, ืขืืืืืช ืืชืงืืจื ืืืืืืช ืืกืืจ ืืืื. ืื ื ืืงืืื ืฉืคืกืคืกืชื ืืฉืื ืืืืงืจ ืฉืื ืขืืืจ ืืคืืกื ืืื ืื ืื ืืืื ื ืืื ืืจืืืช ืืช ืืื ื ืืฉืืืืชื ืืืจืืื ืืื ืฉืื ื ืืืกืืฃ ืฆืืชืื ื ืืกืคืื ืืืฉืืื. ืขื ืืืช, ืื ื ืืืจ ืฉืืืฉืจ ืืืฆืขืื ืฉืืืืชืืช ืืืจืืช, ืืืืฆืืขืื ืืืื ืืขืจื ืคื 2.
ืื ืืืื ื ืืื ืืจืืืช ืืช ClickHouse ืืชืคืชืืช ืืงืจืืช ืืืืืืช ืืืคืจืื ืืื ืืืกืื ืืืืฉืื ืืื ืฉืืืืื ืืืชืืื ืืืืคื ืขืฆืืื. ืชืืืืช HDFS, ืฉื ืืกืคื ืืฉื ื ืฉืขืืจื, ืืืืื ืืืืืช ืฆืขื ืืงืจืืช ืื. ืืืื ืืื ืฉื ืืืฉืื, ืื ื ืืชื ืืืืืฅ ืฉืืืืชื ืืืืืช ืขื ืืื ืืืกืคืช ืฆืืชืื ื ืืกืคืื ืืืฉืืื, ืื ืืขืชืื ืฉื ืืชืืื ื ืืื ืืืืจ ืืืื.
ืชืืื ืฉืืงืืฉืช ืืืื ื ืืงืจืื ืืช ืืคืืกื ืืื. ืื ื ืืฆืืข ืฉืืจืืชื ืืืขืืฅ, ืืจืืืืงืืืจื ืืคืืชืื ืชืจืืื ืืืงืืืืช ืืฆืคืื ืืืจืืงื ืืืืจืืคื. ืื ืชืจืฆื ืืืื ืืืฆื ืืืฆืขืืช ืฉืื ืืืืืืช ืืขืืืจ ืืขืกืง ืฉืื, ืื ื ืฆืืจ ืืืชื ืงืฉืจ ืืืืฆืขืืช
ืืงืืจ: www.habr.com