diff --git a/src/main/docbkx/performance.xml b/src/main/docbkx/performance.xml index 8a28d73..78a828f 100644 --- a/src/main/docbkx/performance.xml +++ b/src/main/docbkx/performance.xml @@ -992,7 +992,7 @@ htable.close(); Hedged Reads Hedged reads are a feature of HDFS, introduced in HDFS-5776. Normally, a - single thread is spawned for each reqd request. However, if hedged reads are enabled, the + single thread is spawned for each read request. However, if hedged reads are enabled, the client waits some configurable amount of time, and if the read does not return, the client spawns a second read request, against a different block replica of the same data. Whichever read returns first is used, and the other read request is discarded. Hedged reads can be