influxdb存储测试-优快云博客

本文详细介绍了InfluxDB的配置文件位置、数据存储路径、测试数据格式，并通过实例展示了不同数据量下InfluxDB的文件占用情况，包括默认状态、大量数据插入后的存储变化及数据删除后的资源释放。

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1、配置

默认的配置文件保存在：/etc/opt/influxdb/influxdb.conf

数据存储位置：/var/lib/influxdb

2、测试数据格式

> select * from /.*/ limit 2
name: pay
---------
time                   allTime    ecifTime    host    icqTime    merId         orderFlag
1470119363796000000    324        26          1       83         1234567890    0
1470119364207000000    304        16          3       75         1234567890    0

name: query
-----------
time                   allTime    ecifTime    host    icqTime    merId         orderFlag
1470119364103000000    321        47          3       76         1234567890    0
1470119365134000000    309        51          2       78         1234567890    1

name: refund
------------
time                   allTime    ecifTime    host    icqTime    merId         orderFlag
1470119363686000000    303        28          3       56         1234567890    0
1470119363898000000    319        51          2       52         1234567890    1

name: sign
----------
time                   allTime    ecifTime    host    icqTime    merId         orderFlag
1470119364001000000    319        11          3       89         1234567890    1
1470119364412000000    320        19          1       62         1234567890    1

3、数据库没有数据时文件占用

788K    ./wal/online/default/20
4.0K    ./wal/online/default/6
4.0K    ./wal/online/default/3
8.0K    ./wal/online/default/5
808K    ./wal/online/default
812K    ./wal/online
14M    ./wal/_internal/monitor/21
4.0K    ./wal/_internal/monitor/18
4.0K    ./wal/_internal/monitor/13
4.0K    ./wal/_internal/monitor/14
4.0K    ./wal/_internal/monitor/15
4.0K    ./wal/_internal/monitor/16
4.0K    ./wal/_internal/monitor/19
4.0K    ./wal/_internal/monitor/17
14M    ./wal/_internal/monitor
14M    ./wal/_internal
15M    ./wal
4.0K    ./data/online/default/20
4.0K    ./data/online/default/6
4.0K    ./data/online/default/3
4.0K    ./data/online/default/5
20K    ./data/online/default
24K    ./data/online
4.0K    ./data/_internal/monitor/21
640K    ./data/_internal/monitor/18
584K    ./data/_internal/monitor/13
592K    ./data/_internal/monitor/14
616K    ./data/_internal/monitor/15
616K    ./data/_internal/monitor/16
860K    ./data/_internal/monitor/19
640K    ./data/_internal/monitor/17
4.5M    ./data/_internal/monitor
4.5M    ./data/_internal
4.5M    ./data
8.0K    ./meta
20M    .

插入5384358条数据后占用大小不到50M

4.0K    ./wal/online/onlinebak/22
8.0K    ./wal/online/onlinebak
25M    ./wal/online/default/20
25M    ./wal/online/default
4.0K    ./wal/online/online1d
25M    ./wal/online
4.0K    ./wal/_internal/monitor/21
3.1M    ./wal/_internal/monitor/40
4.0K    ./wal/_internal/monitor/18
4.0K    ./wal/_internal/monitor/14
4.0K    ./wal/_internal/monitor/15
4.0K    ./wal/_internal/monitor/16
4.0K    ./wal/_internal/monitor/19
4.0K    ./wal/_internal/monitor/17
3.1M    ./wal/_internal/monitor
3.1M    ./wal/_internal
28M    ./wal
2.0M    ./data/online/onlinebak/22
2.0M    ./data/online/onlinebak
38M    ./data/online/default/20
38M    ./data/online/default
4.0K    ./data/online/online1d
40M    ./data/online
1.3M    ./data/_internal/monitor/21
4.0K    ./data/_internal/monitor/40
640K    ./data/_internal/monitor/18
592K    ./data/_internal/monitor/14
616K    ./data/_internal/monitor/15
616K    ./data/_internal/monitor/16
860K    ./data/_internal/monitor/19
640K    ./data/_internal/monitor/17
5.2M    ./data/_internal/monitor
5.2M    ./data/_internal
45M    ./data
8.0K    ./meta
72M    .

删除default数据500万条

4.0K    ./wal/online/onlinebak/22
8.0K    ./wal/online/onlinebak
4.0K    ./wal/online/default/20
8.0K    ./wal/online/default
4.0K    ./wal/online/online1d
24K    ./wal/online
4.0K    ./wal/_internal/monitor/21
3.5M    ./wal/_internal/monitor/40
4.0K    ./wal/_internal/monitor/18
4.0K    ./wal/_internal/monitor/14
4.0K    ./wal/_internal/monitor/15
4.0K    ./wal/_internal/monitor/16
4.0K    ./wal/_internal/monitor/19
4.0K    ./wal/_internal/monitor/17
3.6M    ./wal/_internal/monitor
3.6M    ./wal/_internal
3.6M    ./wal
4.0K    ./data/online/onlinebak/22
8.0K    ./data/online/onlinebak
21M    ./data/online/default/20
21M    ./data/online/default
4.0K    ./data/online/online1d
21M    ./data/online
1.3M    ./data/_internal/monitor/21
4.0K    ./data/_internal/monitor/40
640K    ./data/_internal/monitor/18
592K    ./data/_internal/monitor/14
616K    ./data/_internal/monitor/15
616K    ./data/_internal/monitor/16
860K    ./data/_internal/monitor/19
640K    ./data/_internal/monitor/17
5.2M    ./data/_internal/monitor
5.2M    ./data/_internal
26M    ./data
8.0K    ./meta
30M    .