Elukey has uploaded a new change for review.

  https://gerrit.wikimedia.org/r/297758

Change subject: Revert "Revert "Raise the Hadoop HDFS datanode heapsize to 
2GB.""
......................................................................

Revert "Revert "Raise the Hadoop HDFS datanode heapsize to 2GB.""

Restore the original commit because we ruled it out
from the weird heap size decrease observed for the
Hadoop namenodes. It turned out that we were 
deleting tons of files from HDFS at the same time.

This reverts commit 13ad76089a73671243b88c281cde04b639712c4b.

Change-Id: I3b1b35c795a479117da6c2350c1ffcd8784a7f19
---
M hieradata/eqiad/cdh/hadoop.yaml
1 file changed, 4 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.wikimedia.org:29418/operations/puppet 
refs/changes/58/297758/1

diff --git a/hieradata/eqiad/cdh/hadoop.yaml b/hieradata/eqiad/cdh/hadoop.yaml
index d3d7ed7..8d0340c 100644
--- a/hieradata/eqiad/cdh/hadoop.yaml
+++ b/hieradata/eqiad/cdh/hadoop.yaml
@@ -65,6 +65,10 @@
 # The default is 1000m, we increase it to 2048m in production.
 yarn_heapsize:                              2048
 
+# Heap size for HDFS datanode.
+# The default is 1000m, we increase it to 2048m in production.
+hadoop_heapsize:                            2048
+
 # Yarn ApplicationMaster container size and  max heap size (-Xmx)
 yarn_app_mapreduce_am_resource_mb:          4096      # 2 * 2G
 yarn_app_mapreduce_am_command_opts:         -Xmx3276m  # 0.8 * 2 * 2G

-- 
To view, visit https://gerrit.wikimedia.org/r/297758
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I3b1b35c795a479117da6c2350c1ffcd8784a7f19
Gerrit-PatchSet: 1
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: Elukey <[email protected]>

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