DB schema migration (expected migration time: < 10 mins)
- Add new multicolumn index to improve the
/trades's endpoint performance #2869. - Add constraints on database columns which cannot hold negative values #2827.
Changes
- Update Go toolchain to 1.14.6 in order to fix golang/go#34775, which caused some database queries to be executed instead of rolled back.
- Fix panic on missing command line arguments #2872
- Fix race condition where submitting a transaction to Horizon can result in a bad sequence error even though Stellar Core accepted the transaction. #2877
- Add new DB metrics (#2844):
db_in_use_connections- number of opened DB connections in use (not idle),db_wait_count- number of connections waited for,db_wait_duration- total time blocked waiting for a new connection.