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| author | Tao Wang <wangtao111@huawei.com> | 2016-08-10 22:30:18 -0700 |
|---|---|---|
| committer | Reynold Xin <rxin@databricks.com> | 2016-08-10 22:30:18 -0700 |
| commit | 7a6a3c3fbcea889ca20beae9d4198df2fe53bd1b (patch) | |
| tree | 9c9f6d14ac8befb86489829870b83883852dd4b3 /docs/tuning.md | |
| parent | 665e175328130ab3eb0370cdd2a43ed5a7bed1d6 (diff) | |
| download | spark-7a6a3c3fbcea889ca20beae9d4198df2fe53bd1b.tar.gz spark-7a6a3c3fbcea889ca20beae9d4198df2fe53bd1b.tar.bz2 spark-7a6a3c3fbcea889ca20beae9d4198df2fe53bd1b.zip | |
[SPARK-17010][MINOR][DOC] Wrong description in memory management document
## What changes were proposed in this pull request?
change the remain percent to right one.
## How was this patch tested?
Manual review
Author: Tao Wang <wangtao111@huawei.com>
Closes #14591 from WangTaoTheTonic/patch-1.
Diffstat (limited to 'docs/tuning.md')
| -rw-r--r-- | docs/tuning.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/docs/tuning.md b/docs/tuning.md index 1ed14091c0..976f2eb8a7 100644 --- a/docs/tuning.md +++ b/docs/tuning.md @@ -115,7 +115,7 @@ Although there are two relevant configurations, the typical user should not need as the default values are applicable to most workloads: * `spark.memory.fraction` expresses the size of `M` as a fraction of the (JVM heap space - 300MB) -(default 0.6). The rest of the space (25%) is reserved for user data structures, internal +(default 0.6). The rest of the space (40%) is reserved for user data structures, internal metadata in Spark, and safeguarding against OOM errors in the case of sparse and unusually large records. * `spark.memory.storageFraction` expresses the size of `R` as a fraction of `M` (default 0.5). |