用伪代码:
see if redis has the record by 'record_type:record_id'
if so return the result
if not then query postgres for the record_id in the record_type table
store the result in redis by 'record_type:record_id'
return the result
使用Redis作为Postgres的LRU缓存
用伪代码:
see if redis has the record by 'record_type:record_id'
if so return the result
if not then query postgres for the record_id in the record_type table
store the result in redis by 'record_type:record_id'
return the result