rnewson opened a new issue, #5528:
URL: https://github.com/apache/couchdb/issues/5528
## Description
when interactive_database_writes_threshold is exceeded, we deliberately
allow mem3_rep to continue internal sync (indeed all replicated change requests
are permitted). unfortunately mem3_rep will eventually crash when it tries to
write its checkpoint as this is a normal doc edit. Exempt these writes from the
blocking behaviour.
...with exit value:#012{{nocatch,{insufficient_storage,<<"database_dir is
too
full">>}},[{couch_db,update_doc,4,[{file,"src/couch_db.erl"},{line,876}]},{mem3_rep,update_locals,3,[{file,"src/mem3_rep.erl"},{line,740}]},{mem3_rep,replicate_batch,4,[{file,"src/mem3_rep.erl"},{line,641}]},{maps,map_1,3,[{file,"maps.erl"},{line,441}]},{maps,map,2,[{file,"maps.erl"},{line,426}]},{mem3_rep,replicate_batch_multi,1,[{file,"src/mem3_rep.erl"},{line,619}]},{mem3_rep,'-push_changes/1-fun-0-',3,[{file,"src/mem3_rep.erl"},{line,550}]},{mem3_rep,with_src_db,2,[{file,"src/mem3_rep.erl"},{line,840}]}]}#012
## Steps to Reproduce
enable disk_monitor, add lots of data then promptly set
interactive_database_writes_threshold to lower than current disk usage. with
luck internal sync is behind and will then fail to catch up when it tries to
checkpoint.
## Expected Behaviour
internal replication should proceed regardless of
interactive_database_writes_threshold setting, at least until the end of disk
itself is reached.
## Your Environment
N/A
## Additional Context
[TIP]: # ( Add any other context about the problem here. )
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