建站
咨詢
售后
建站咨詢
新聞中心
Redis提供了一種高性能的鍵值存儲，可以幫助我們在Web應用開發(fā)中存儲信息。本文將將介紹七個Redis配置的需要注意的要點，給開發(fā)者帶來更多的靈活性。
1.設置Redis密碼：使用密碼可以提高Redis的安全性，可以通過在配置文件中設置“requirepass”來設置Redis的密碼。例如：
“`# Require clients to issue AUTH before processing any other
# commands. This might be useful in environments in which you do not trust
# others with access to the host running redis-server.
#
# This should stay commented out for backward compatibility and because most
# people do not need auth (e.g. they run their own servers).
#
# requirepass foobar
2.調整maxmemory設置：Redis可以將超過maxmemory限制的數據存儲在硬盤上，可以使用```config set maxmemory```命令來調整maxmemory設置。這是一個必須要設置的選項，它指定Redis可用的最大內存量。
3.設定appendonly參數：這是一項強制性配置參數，可以防止Redis遭到意外斷電或重啟之后的數據丟失?？梢詫⑺O置為’yes’，使Redis在執(zhí)行每個寫操作時進行日志記錄：
# appendonly
appendonly yes
4.設置數據庫文件存儲目錄：可以使用```dir```命令來確定數據庫的文件存儲目錄。它的值可以是由斜杠（/）分隔的絕對路徑，也可以是相對路徑：
# The working directory.
#
# The DB will be written inside this directory.
#
# The Append Only File will also be created inside this directory.
#
# Note that you must specify a directory here, not a file name.
dir ./
5.調整maxclients：maxclients 參數定義了Redis服務器可以接受的最大客戶端連接數。通過調整maxclients參數來限制對服務器的訪問。例如：
# Set the max number of connected clients at the same time. By default
# this limit is set to 10000 clients, however if the Redis server is not
# able to configure the process file limit to allow for the specified limit
# the max number of allowed clients is set to the current file limit
# minus 32 (as Redis reserves a few file descriptors for internal operations).
#
# Once the limit is reached Redis will close all the new connections sending
# an error ‘max number of clients reached’.
#
# maxclients 10000
6.對于新特性，調節(jié)latency-monitor參數：latency-monitor參數可以調節(jié)redis對延遲監(jiān)控的靈敏度。它可以幫助我們及時發(fā)現潛在問題并快速響應：
# set latency-monitor threshold.
#
# latency-monitor will log slow commands into redis log file.
#
# latency-monitor-threshold-ms is the number of milliseconds to
# execute the command before logging the warning.
#
# latency-monitor-threshold-percent is the percentage of slow
# requests that must occur before a warning is logged.
#
# latency-monitor-threshold-ms 10
# latency-monitor-threshold-percent 0.05
7.設置數據的備份、恢復選項：需要設置備份和恢復相關的參數，這樣可以在發(fā)生災難時減少損失。Redis可以使用RDB文件(通過save或者bgsave命令來保存），以及AOF(append only file)文件來完成完整備份?？梢允褂孟旅娴呐渲脕碓O置數據的備份和恢復：
# Save the DB on disk:
# save
# Will save the DB if both the given number of seconds and the given
# number of write operations agnst the DB occurred.
#
# In the example below the behaviour will be to save:
# after 900 sec (15 min) if at least 1 key changed
# after 300 sec (5 min) if at least 10 keys changed
# after 60 sec if at least 10000 keys changed
#
# Note: you can disable saving completely by commenting out all “save” lines.
#
# It is also possible to remove all the previously configured save
# points by adding a save directive with a single empty string argument
# like in the following example:
#
# save “”
save 900 1
save 300 10
save 60 10000
以上就是關于Redis配置的簡要介紹，了解了這七個要點，開發(fā)者可以更加靈活地使用Redis。在配置Redis時，一定要注意以上七點，這對于保障Redis的安全性和可靠性來說至關重要。
四川成都云服務器租用托管【創(chuàng)新互聯】提供各地服務器租用，電信服務器托管、移動服務器托管、聯通服務器托管，云服務器虛擬主機租用。成都機房托管咨詢：13518219792
創(chuàng)新互聯（www.cdcxhl.com）擁有10多年的服務器租用、服務器托管、云服務器、虛擬主機、網站系統(tǒng)開發(fā)經驗、開啟建站+互聯網銷售服務，與企業(yè)客戶共同成長，共創(chuàng)價值。
當前文章：事項Redis配置需要注意的7個要點（redis配置注意）
文章出自：http://m.5511xx.com/article/cddepos.html
