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Concurrency mode can be specified with the “concurrencyMode” option. Available values
are “optimistic” and “pessimistic”. The default value is “optimistic”.
NB: whenever a deadlock is detected, a LockException is thrown.
2.8.3
Read only
Once a datastore is created and populated with other user modes, it can be accessed with
the read only mode.
The read-only user mode allows several users in a single JVM to read (and only read)
objects. No locks are managed, no logging is used, no updates can be committed. This
version is lighter than the two others, and obviously much faster too.
Jalisto – User Manual
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