keep db crashes from bubbling through couch_server when possible
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Key: COUCHDB-1305
URL: https://issues.apache.org/jira/browse/COUCHDB-1305
Project: CouchDB
Issue Type: Improvement
Components: Database Core
Reporter: Randall Leeds
Assignee: Randall Leeds
Priority: Minor
Fix For: 1.3
COUCHDB-1050 shows how an error in a db process can cause unexpected 'EXIT'
messages to reach couch_server. These messages cause couch_server to restart,
forcing all open databases to close, which has nasty effects like killing
replications and index generation in unrelated databases. I suggest we use the
couch_dbs_by_pid table to swallow the error, cleanup the ETS tables, log a
message and continue. If a match isn't found in the table then the current
unexpected message crash should be preserved.
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