# Why translog phase in recovery took a long time

**URL:** <https://discuss.elastic.co/t/why-translog-phase-in-recovery-took-a-long-time/234260>\
**Category:** Elasticsearch\
**Created:** [May 26, 2020, 7:47am UTC](https://discuss.elastic.co/t/why-translog-phase-in-recovery-took-a-long-time/234260 "2020-05-26T07:47:56Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yc1024](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yc1024/32/42644_2.png) [@yc1024](https://discuss.elastic.co/u/yc1024)\
**Post date:** [May 26, 2020, 7:47am UTC](https://discuss.elastic.co/t/why-translog-phase-in-recovery-took-a-long-time/234260/1 "2020-05-26T07:47:56Z")

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Elasticsearch-version：7.6.0  
Translog stage recovered is 0, but it took 5min.What settings can optimize it?  
my settings:

```auto
indices.recovery.max_concurrent_file_chunks : 5
indices.recovery.max_bytes_per_sec : 50MB
cluster.routing.allocation.node_initial_primaries_recoveries : 30
cluster.routing.allocation.node_concurrent_recoveries : 15	

```

```auto
{
        "id" : 36,
        "type" : "EXISTING_STORE",
        "stage" : "DONE",
        "primary" : true,
        "start_time" : "2020-05-26T01:02:29.651Z",
        "start_time_in_millis" : 1590454949651,
        "stop_time" : "2020-05-26T01:07:43.669Z",
        "stop_time_in_millis" : 1590455263669,
        "total_time" : "5.2m",
        "total_time_in_millis" : 314018,
        "source" : {
          "bootstrap_new_history_uuid" : false
        },
        "index" : {
          "size" : {
            "total" : "18.3gb",
            "total_in_bytes" : 19681652796,
            "reused" : "18.3gb",
            "reused_in_bytes" : 19681652796,
            "recovered" : "0b",
            "recovered_in_bytes" : 0,
            "percent" : "100.0%"
          },
          "files" : {
            "total" : 134,
            "reused" : 134,
            "recovered" : 0,
            "percent" : "100.0%"
          },
          "total_time" : "14ms",
          "total_time_in_millis" : 14,
          "source_throttle_time" : "-1",
          "source_throttle_time_in_millis" : 0,
          "target_throttle_time" : "-1",
          "target_throttle_time_in_millis" : 0
        },
        "translog" : {
          "recovered" : 0,
          "total" : 0,
          "percent" : "100.0%",
          "total_on_start" : 0,
          "total_time" : "5.2m",
          "total_time_in_millis" : 312762
        },
        "verify_index" : {
          "check_index_time" : "0s",
          "check_index_time_in_millis" : 0,
          "total_time" : "0s",
          "total_time_in_millis" : 0
        }
      },

```

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 23, 2020, 7:48am UTC](https://discuss.elastic.co/t/why-translog-phase-in-recovery-took-a-long-time/234260/2 "2020-06-23T07:48:05Z")

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