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[SPARK-21799][ML] Fix KMeans performance regression caused by double-caching - #19107
[SPARK-21799][ML] Fix KMeans performance regression caused by double-caching#19107WeichenXu123 wants to merge 1 commit into
KMeans performance regression caused by double-caching#19107Conversation
WeichenXu123
commented
Sep 2, 2017
cc @jkbradley@smurching |
SparkQA
commented
Sep 2, 2017
Test build #81337 has finished for PR 19107 at commit
|
WeichenXu123
commented
Sep 8, 2017
cc @smurching Thanks! |
smurching
commented
Sep 8, 2017
Sorry for the delay, this looks good to me -- thanks @WeichenXu123! |
smurching
commented
Sep 11, 2017
@jkbradley would you be able to give this a look? Thanks! |
jkbradley
commented
Sep 11, 2017
@WeichenXu123 I just commented on https://issues.apache.org/jira/browse/SPARK-18608 to clarify our efforts here. Can you please either retarget this for SPARK-18608 and update it, or ask @zhengruifeng to submit his original PR as the fix? Please coordinate, thanks! |
zhengruifeng
commented
Sep 12, 2017
I am OK to resubmit the original PR if needed. |
WeichenXu123
commented
Sep 12, 2017
OK. Thanks @zhengruifeng .I will close this PR. |
## What changes were proposed in this pull request?
`df.rdd.getStorageLevel` => `df.storageLevel`
using cmd `find . -name '*.scala' | xargs -i bash -c 'egrep -in "\.rdd\.getStorageLevel" {} && echo {}'` to make sure all algs involved in this issue are fixed.
Previous discussion in other PRs: #19107, #17014
## How was this patch tested?
existing tests
Author: Zheng RuiFeng <ruifengz@foxmail.com>
Closes#19197 from zhengruifeng/double_caching.
(cherry picked from commit c5f9b89)
Signed-off-by: Joseph K. Bradley <joseph@databricks.com>## What changes were proposed in this pull request?
`df.rdd.getStorageLevel` => `df.storageLevel`
using cmd `find . -name '*.scala' | xargs -i bash -c 'egrep -in "\.rdd\.getStorageLevel" {} && echo {}'` to make sure all algs involved in this issue are fixed.
Previous discussion in other PRs: apache#19107, apache#17014
## How was this patch tested?
existing tests
Author: Zheng RuiFeng <ruifengz@foxmail.com>
Closesapache#19197 from zhengruifeng/double_caching.## What changes were proposed in this pull request?
`df.rdd.getStorageLevel` => `df.storageLevel`
using cmd `find . -name '*.scala' | xargs -i bash -c 'egrep -in "\.rdd\.getStorageLevel" {} && echo {}'` to make sure all algs involved in this issue are fixed.
Previous discussion in other PRs: apache#19107, apache#17014
## How was this patch tested?
existing tests
Author: Zheng RuiFeng <ruifengz@foxmail.com>
Closesapache#19197 from zhengruifeng/double_caching.
(cherry picked from commit c5f9b89)
Signed-off-by: Joseph K. Bradley <joseph@databricks.com>
What changes were proposed in this pull request?
Fix
KMeansperformance regression caused by double-caching input dataset.How was this patch tested?
N/A