# Where Does Map Reduce Does not Fit

![](https://3957382301-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LsbZSfH3V7-1Ycuzu80%2F-LsbZZL4J3VRHnXA0HfC%2F-LsbZ_K9w4O7Bv3qexzk%2Fimport2.png?generation=1572621933358209\&alt=media)

Iterative - see how many times data is persisted to HDFS

![](https://3957382301-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LsbZSfH3V7-1Ycuzu80%2F-LsbZZL4J3VRHnXA0HfC%2F-LsbZ_KB1DixRMPkVPQY%2Fimport6.png?generation=1572621934278259\&alt=media)
