Github user keith-turner commented on a diff in the pull request:
https://github.com/apache/accumulo/pull/199#discussion_r106948790
--- Diff: core/src/main/java/org/apache/accumulo/core/conf/Property.java ---
@@ -295,6 +295,8 @@
TSERV_READ_AHEAD_MAXCONCURRENT("tserver.readahead.concurrent.max", "16",
PropertyType.COUNT,
"The maximum number of concurrent read ahead that will execute. This
effectively"
+ " limits the number of long running scans that can run
concurrently per tserver."),
+ TSERV_READ_AHEAD_PREFIX("tserver.readahead.concurrent.queue.", null,
PropertyType.PREFIX,
--- End diff --
could also have a maxTime property on resource group...
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