distributed-cache-service/umn/source/change_history.rst

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Change History

Table 1 Change History
Released On What's New
2020-07-17

Modified the following content:

  • Added a note in section Accessing a DCS Redis Instance <en-us_topic_0054235811> to advise against hard-coding plaintext passwords in the code.
  • Added an explanation of the SYS.DCS namespace and optimized the table layout in section DCS Metrics <dcs-ug-0326019>.
  • Updated the picture that demonstrates viewing instance metrics in section Setting Alarm Rules for Critical Metrics <dcs-ug-190905001>.
  • Optimized the description about CIDR blocks for cross-VPC access and added the table caption in FAQ Do DCS Instances Support Cross-VPC Access? <en-us_topic_0103202022>
2020-05-30

Modified the following content:

  • Changed the cluster instance type to Proxy Cluster in section DCS <en-us_topic_0054235826>.
  • Removed description about creating multiple instances in batches and modified password complexity requirements in section Creating a DCS Instance <en-us_topic_0054235810>.
  • Removed the instance topology parameter in section Viewing Details of a DCS Instance <en-us_topic_0054235812>.
  • Changed the default value of the reserved-memory-percent parameter to 0 and added a note clarifying that the configuration parameters supported by single-node and master/standby instances are different in section Configuring Redis-Specific Parameters <en-us_topic_0054235814>.
  • Modified the special characters that the passwords cannot contain in section Changing Instance Passwords <en-us_topic_0054235820>.
  • Removed the section which describes the function of viewing data storage statics of a Proxy Cluster instance.
  • Added a note clarifying that the backup policy function is not supported by single-node instances in section Configuring a Backup Policy <en-us_topic_0062866097>.
  • Removed Redis Server and Proxy metrics from section DCS Metrics <dcs-ug-0326019>.
2020-03-25

Modified the following content:

  • Changed the cluster instance type to Proxy Cluster in section DCS <en-us_topic_0054235826>.
  • Modified the lists of supported and disabled Redis commands in section Redis Command Compatibility <dcs-ug-180522002>.
  • Added the assured/maximum bandwidth parameter in section DCS Instance Specifications <en-us_topic_0054235835>.
  • Moved the metrics originally described in section Related Services <en-us_topic_0054235808> to section DCS Metrics <dcs-ug-0326019> and updated the metrics supported by Cloud Eye.
  • Modified instance creation parameters in Creating a DCS Instance <en-us_topic_0054235810> according to DCS console upgrade and parameter modifications.
  • Modified instance details parameters in section Viewing Details of a DCS Instance <en-us_topic_0054235812> according to DCS console upgrade and parameter modifications.
  • Modified instance configuration parameters in section Configuring Redis-Specific Parameters <en-us_topic_0054235814>.
  • Removed the function of stopping instances.
  • Added description about restrictions of starting instances in section Starting DCS Instances <en-us_topic_0054235817>.
  • Changed parameter Time Window to Maintenance in section Modifying an Instance's Maintenance Time Window <en-us_topic_0090713825>.
  • Modified description about configuring instance backup policies in section Configuring a Backup Policy <en-us_topic_0062866097>.
  • Added chapter Monitoring <dcs-en-ug-180424001>, updated metrics supported by Cloud Eye, and added description about operations of viewing monitoring data and setting alarm rules.
  • Changed the supported number of DBs for single-node and master/standby instances in section Does DCS Support Data Read/Write in Multiple Databases? <en-us_topic_0071964265>
2019-04-12 Accepted in OTC-4.0/Agile-04.2019.
2019-03-30

Modified the following content:

  • Removed support for creating DCS instances with the specification of 1 GB in sections Advantages <en-us_topic_0054235833>, DCS Instance Specifications <en-us_topic_0054235835>, and Creating a DCS Instance <en-us_topic_0054235810>.
2018-09-05

Modified the following content:

  • Opened certain Redis cluster commands. For details about compatibility with DCS commands, see Redis Command Compatibility <dcs-ug-180522002>.
2018-03-16

Added the following content:

  • Added the procedure for using a Redis Java (Jedis) client to access a DCS instance. For details, see Accessing a DCS Redis Instance <en-us_topic_0054235811>.
  • Added descriptions about the Redis-specific parameter notify-keyspace-events, anddeleted descriptions about the Redis-specific parameter maxclients. For details, see Configuring Redis-Specific Parameters <en-us_topic_0054235814>.
  • Added the procedures for modifying the time window and security group of a DCS instance. For details, see Modifying an Instance's Maintenance Time Window <en-us_topic_0090713825> and Modifying an Instance's Security Group <en-us_topic_0090713826>.
  • Added Do DCS Instances Support Cross-VPC Access? <en-us_topic_0103202022> in chapter FAQs <en-us_topic_0054235821>.

Modified the following content:

  • Changed instance password complexity rules.
2017-11-08

Added the following content:

  • Provided support for DCS instances in cluster mode.
  • Added sections Modifying DCS Instance Specifications <en-us_topic_0063519673> and Backing Up and Restoring DCS Instances <en-us_topic_0062866096>.
  • Added the Time Window parameter.
  • Added section Setting Up Environments <en-us_topic_0077665192>.
  • Added some FAQs in chapter FAQs <en-us_topic_0054235821>.
2017-05-30

This issue is the third official release, which incorporates the following changes:

  • Added descriptions about batch deletion of DCS instances.
  • Added descriptions about the Redis-specific parameter latency-monitor-threshold.
2017-04-28

Added the following content:

  • Added descriptions of DCS metrics monitored by Cloud Eye.
2017-04-05 This issue is the first official release.