Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 20480 bytes) in phar:///usr/local/bin/composer/src/Composer/DependencyResolver/GenericRule.php on line 36 code example

Example 1: Fatal error: Allowed memory size of 1610612736 bytes exhausted

Fatal error: Allowed memory size of 1610612736 bytes exhausted

export COMPOSER_MEMORY_LIMIT=-1
and restart composer update

Example 2: Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 32 bytes) in

;memory_limit=512M