Github user afs commented on the pull request:
https://github.com/apache/jena/commit/8601cd3028c0e57dbc805efc5d54d7b9ee272c3f#commitcomment-20400054
In
jena-arq/src/test/java/org/apache/jena/sparql/core/pergraph/MultithreadingTest.java:
In
jena-arq/src/test/java/org/apache/jena/sparql/core/pergraph/MultithreadingTest.java
on line 45:
`TestTxnThread` uses them.
`ThreadTxn` is transaction specific use of `ThreadAction` which creates and
starts a thread and makes sure it has got past the `begin` before the create
operation returns. Is that what is needed here?
Obviously, the current code is OK until proven otherwise but from
experience long pauses (many seconds) can happen on VM/loader servers. Not as
extreme as a minute "elapsed" longer than an hour but.
http://infiniteundo.com/post/25326999628/falsehoods-programmers-believe-about-time
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