akiyamaneko opened a new pull request #3247:
URL: https://github.com/apache/ambari/pull/3247
## What changes were proposed in this pull request?
replace the exported metric data file(json/csv) name from data.json/csv with
the metric name, make the export function more friendly.
there are some changes in the file name of the exported metrics for
example:
Entry | metric name | Old Exported File Name | NewExported Filname
-- | -- | -- | --
Dashboard | Memory Usage | data.csv/json | memory_usage.csv/json
Services/HDFS | NameNode GC Count | data.csv/json |
hdfs_namenode_gc_count.csv/json
Services/HBase | Read Latency | data.csv/json | habse_read_latency.csv.json
## How was this patch tested?
checked all the metrics support exported, both shows ok, part of manual
test result shows below,

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