anchor.diff:  index.search.slowlog.threshold.fetch.trace: 200ms
   --------------------------------------------------
   
  -All of the above settings are _dynamic_ and can be set per-index.
  +All of the above settings are _dynamic_ and are set per-index.
   
   By default, none are enabled (set to `-1`). Levels (`warn`, `info`,
   `debug`, `trace`) allow to control under which logging level the log
  
positive.code: index.indexing.slowlog.source: 1000
  --------------------------------------------------
  
  All of the above settings are _dynamic_ and can be set per-index.
  
  By default Elasticsearch will log the first 1000 characters of the _source in
  the slowlog. You can change that with `index.indexing.slowlog.source`. Setting
  it to `false` or `0` will skip logging the source entirely an setting it to
  `true` will log the entire source regardless of size.
  
  The index slow log file is configured by default in the `logging.yml`
  file:
  
  [source,yaml]
  --------------------------------------------------
  index_indexing_slow_log_file:
      type: dailyRollingFile
      file: ${path.logs}/${cluster.name}_index_indexing_slowlog.log
      datePattern: "'.'yyyy-MM-dd"
      layout:
        type: pattern
        conversionPattern: "[%d{ISO8601}][%-5p][%-25c] %m%n"
  --------------------------------------------------
  
negative.code: 
  The indexing slow log, similar in functionality to the search slow
  log. The log file name ends with `_index_indexing_slowlog.log`. Log and
  the thresholds are configured in the same way as the search slowlog.
  Index slowlog sample:
  
  [source,yaml]
  --------------------------------------------------
  