sijie opened a new pull request #1315: (WIP) Issue 1314: Provide a mechanism to allow high priority writes to readonly bookies URL: https://github.com/apache/bookkeeper/pull/1315 Descriptions of the changes in this PR: *Problem* Currently we allow fence requests going through readonly bookies, since fence requests are special read requests. However a ledger can only be sealed after it is successfully recovered. If bookies are in readonly, those recovery writes won't go through. If there is a bookie outage happened (e.g. all bookies are readonly), all ledgers are not able to be sealed. It might be good to have a similar setting like minUsableSizeForIndexFileCreation for recovery writes. This can improve operability during outage. *Solution* - add a setting `minUsableSizeForHighPriorityWrites` to allow accepting high priority writes on readonly bookies. Master Issue: #1314 > --- > Be sure to do all of the following to help us incorporate your contribution > quickly and easily: > > If this PR is a BookKeeper Proposal (BP): > > - [ ] Make sure the PR title is formatted like: > `<BP-#>: Description of bookkeeper proposal` > `e.g. BP-1: 64 bits ledger is support` > - [ ] Attach the master issue link in the description of this PR. > - [ ] Attach the google doc link if the BP is written in Google Doc. > > Otherwise: > > - [ ] Make sure the PR title is formatted like: > `<Issue #>: Description of pull request` > `e.g. Issue 123: Description ...` > - [ ] Make sure tests pass via `mvn clean apache-rat:check install spotbugs:check`. > - [ ] Replace `<Issue #>` in the title with the actual Issue number. > > ---
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