I created a primary index on ~1.35 billion docs in a 3 node cluster.
Here is what the server reports as the size:
index name requests/sec resident ratio items data size bucket status
#primary 0 0% 799,213,932 102,262.6 MB Library building 59%
However, when looking at the disk, I have over two TB of disk space in use, see:
Any idea what is going on here?
Yes, this is enabled. I assume that I need to set it to “Append-only write mode with index fragmentation level trigger:” ?
My index is at 80% done (which took a several days). Can I modify this setting without causing a restart of indexing?
Circular write mode is the preferred option. You can change the setting without restart.