Summary:
When injecting in DB open, error can happen in background threads, causing DB open succeed, but DB is soon made read-only and subsequence writes will fail, which is not expected. To prevent it from happening, wait for compaction to finish before serving the traffic. If there is a failure, reopen.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/8270
Test Plan: Run the test.
Reviewed By: ajkr
Differential Revision: D28230537
fbshipit-source-id: e2e97888904f9b9bb50c35ccf95b88c2319ef5c3