Magento 2.x Allowed memory size of XXXX bytes exhausted (tried to allocate XXXX bytes)

The cause of the error “allowed memory size of bytes exhausted” due to shortage of memory

There are following two type solution to resolve this issue

Solution [1] – Quick solution or Temporary solution

Add memory limit in the current running command

php -d memory_limit=-1 bin/magento deploy:mode:set developer
php -d memory_limit=-1 bin/magento setup:upgrade
php -d memory_limit=-1 bin/magento setup:di:compile
php -d memory_limit=-1 bin/magento setup:static-content:deploy -f
php -d memory_limit=-1 bin/magento indexer:reindex
php -d memory_limit=-1 bin/magento cache:clean
php -d memory_limit=-1 bin/magento cache:flush

Solution [2] – This is  Permanent solution.

Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes)