Where am I wasting my memory for n1ql index?

Hello,

When I look at the server and check memory usage with “top” command, indexer process is using 60% memory.
We’ve assigned 12GB for “Index RAM Quota”.

We have two index servers and I have the following indexes on one of the servers. This server is comsuming 60% of the system memory by “indexer” process. How is it using 60%? I don’t even have 2 GB indexes in this particular server.

idx_attr_form
    disk size: 12.2 MB
    data size: 217 KB
idx_c_client
    disk size: 1.86 GB
    data size: 842 MB
idx_p_type_client
    disk size: 17.2 MB
    data size: 220 KB
idx_p_type_id
    disk size: 17.2 MB
    data size: 219 KB
idx_p_type_slug
    disk size: 17.2 MB
    data size: 220 KB