Merges.total_size too large?


(npow) #1

I'm looking at my shard stats for one of my indices, and it says that the merge size is way larger than the store size, which seems wrong. Am I supposed to be concerned about this? I have set the refresh_interval to 30s.

  "store": {
    "size": "12.4gb",
    "size_in_bytes": 13359175068,
    "throttle_time": "0s",
    "throttle_time_in_millis": 0
  },
  "merges": {
    "current": 0,
    "current_docs": 0,
    "current_size": "0b",
    "current_size_in_bytes": 0,
    "total": 8945,
    "total_time": "3.6h",
    "total_time_in_millis": 13258698,
    "total_docs": 164817192,
    "total_size": "69.5gb",
    "total_size_in_bytes": 74718348119,
    "total_stopped_time": "0s",
    "total_stopped_time_in_millis": 0,
    "total_throttled_time": "2.1h",
    "total_throttled_time_in_millis": 7765809,
    "total_auto_throttle": "5mb",
    "total_auto_throttle_in_bytes": 5242880
  },
``

(Zachary Tong) #2

I wouldn't be concerned, unless you are seeing bad performance. Merges happen when documents are added, deleted or updated. So if you're updating/deleting many docs, that will trigger merges to "clean up" the garbage over time. It's a background process and I wouldn't worry about it unless you explicitly have a performance problem you're trying to track down :slight_smile:


(system) #3

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