Index Scan is timing out for 100K documents in TestLargeMutations in CI runs

The test TestLargeMutations is failing in iteration 7 with error: Error in scan: Index scan timed out

What the test TestLargeMutations does:

1. Create 20k docs
2. Create index indexmut_1, ScanAll it.
3. In a loop for 10 times

• Create 10K docs
• Create another index indexmut_2
• ScanAll both the indexes indexmut_1 and indexmut_2
• Drop indexmut_2

Logs and Run output @ https://s3-ap-southeast-1.amazonaws.com/indexing-test/logs/logs-21.04-13.55.tar.gz