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awslabs / aws-elasticache-cluster-client-memcached-for-php

Amazon ElastiCache Cluster Client is an enhanced PHP library to connect to ElastiCache clusters. This client library has been built upon libmemcached and is released under the Apache License.
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Broken backward compatibility between PHP 7.0 and 7.2 ElastiCache clients with consistent distribution #28

Closed antydemant closed 4 years ago

antydemant commented 5 years ago

If you are downloading ElastiCache client for PHP 7.2 by the following link https://elasticache-downloads.s3.amazonaws.com/ClusterClient/PHP-7.2/latest-64bit you might have an issue with backward compatibility between clients for PHP 7.2 and PHP 7.0. with consistent distribution.

PHP 7.0 & ElastiCache (libmemcahed 1.0.18) image

PHP 7.2 & ElastiCache (downgraded libmemcached 1.0.8) *old configuration with broken consistent distribution backward compatability image

Please pay attention if you are using consistent distribution

$client = new Memcached();
$client->setOption(Memcached::OPT_DISTRIBUTION, Memcached::DISTRIBUTION_CONSISTENT);

you might have different behavior with the mentioned option!

yzhaon commented 4 years ago

ElastiCache memcached client for PHP 7.2 built against libmemcached 1.0.18 have been released to the public S3 bucket.

Steps to download the client are here https://docs.aws.amazon.com/AmazonElastiCache/latest/mem-ug/Appendix.PHPAutoDiscoverySetup.Downloading.html

Closing this issue.