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author | Aaron Davidson <aaron@databricks.com> | 2013-12-27 10:55:16 -0800 |
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committer | Aaron Davidson <aaron@databricks.com> | 2013-12-27 10:55:16 -0800 |
commit | 2a7b3511f45dcaceaa099e99b7a561b4a266d647 (patch) | |
tree | 7392906b3e49d632a1d07127305c47e6e0e3fdc8 /core/src/main | |
parent | d0cfbc41e2dc48fa04a79cdff107991cd096d0cc (diff) | |
download | spark-2a7b3511f45dcaceaa099e99b7a561b4a266d647.tar.gz spark-2a7b3511f45dcaceaa099e99b7a561b4a266d647.tar.bz2 spark-2a7b3511f45dcaceaa099e99b7a561b4a266d647.zip |
Add Apache headers
Diffstat (limited to 'core/src/main')
-rw-r--r-- | core/src/main/scala/org/apache/spark/util/SamplingSizeTracker.scala | 24 | ||||
-rw-r--r-- | core/src/main/scala/org/apache/spark/util/collection/SizeTrackingAppendOnlyMap.scala | 17 |
2 files changed, 37 insertions, 4 deletions
diff --git a/core/src/main/scala/org/apache/spark/util/SamplingSizeTracker.scala b/core/src/main/scala/org/apache/spark/util/SamplingSizeTracker.scala index 2262b7d1be..3eb80661cb 100644 --- a/core/src/main/scala/org/apache/spark/util/SamplingSizeTracker.scala +++ b/core/src/main/scala/org/apache/spark/util/SamplingSizeTracker.scala @@ -1,3 +1,20 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package org.apache.spark.util import org.apache.spark.util.SamplingSizeTracker.Sample @@ -11,7 +28,7 @@ import org.apache.spark.util.SamplingSizeTracker.Sample * flushSamples() if there is a non-linear change in object size (otherwise linear is assumed). * Not threadsafe. */ -class SamplingSizeTracker(obj: AnyRef) { +private[spark] class SamplingSizeTracker(obj: AnyRef) { /** * Controls the base of the exponential which governs the rate of sampling. * E.g., a value of 2 would mean we sample at 1, 2, 4, 8, ... elements. @@ -56,9 +73,8 @@ class SamplingSizeTracker(obj: AnyRef) { } else { 0 } - val extrapolatedDelta = interpolatedDelta * (numUpdates - lastSample.numUpdates) - val estimate = lastSample.size + extrapolatedDelta - math.max(0, estimate).toLong + val extrapolatedDelta = math.max(0, interpolatedDelta * (numUpdates - lastSample.numUpdates)) + (lastSample.size + extrapolatedDelta).toLong } } diff --git a/core/src/main/scala/org/apache/spark/util/collection/SizeTrackingAppendOnlyMap.scala b/core/src/main/scala/org/apache/spark/util/collection/SizeTrackingAppendOnlyMap.scala index 4b11749b14..ea0f2fd68f 100644 --- a/core/src/main/scala/org/apache/spark/util/collection/SizeTrackingAppendOnlyMap.scala +++ b/core/src/main/scala/org/apache/spark/util/collection/SizeTrackingAppendOnlyMap.scala @@ -1,3 +1,20 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + package org.apache.spark.util.collection import org.apache.spark.util.SamplingSizeTracker |