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elasticsearch reindex

Shy Skipper answered on July 15, 2020 Popularity 10/10 Helpfulness 6/10

answer elasticsearch reindex

related shell script to reindex elasticsearch

elasticsearch reindex

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POST _reindex
{
  "source": {
    "index": "twitter"
  },
  "dest": {
    "index": "new_twitter"
  }
}

Popularity 10/10 Helpfulness 6/10 Language whatever

Source: www.elastic.co

Tags: elasticsearch reindex whatever

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Contributed on Jul 15 2020

Shy Skipper

0 Answers Avg Quality 2/10

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shell script to reindex elasticsearch

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#!/bin/bash

#ES_HOST="localhost"
#ES_PORT="9200"
TMP="_v2"
echo "****  Script Execution Started ****"
echo " "
echo "**** Fetching List of Indices Elasticsearch Reindexing ****"
curl -s -X GET 'http://localhost:9200/_cat/indices/%2A?v=&s=index:desc' 

echo " "
sleep 5

indices_list=$(curl -s -X GET 'http://localhost:9200/_cat/indices/%2A?v=&s=index:desc' | awk '{print $3}' | sed -n '1!p')
#indices=$(curl -s "http://${ES_HOST}:${ES_PORT}/_cat/indices/abc_*?h=index" | egrep 'abc_[0-9a-f]{8}-([0-9a-f]{4}-){3}[0-9a-f]{8}*')

# do for all abc elastic indices
count=0
echo "$indices_list"
for index in $indices_list
do
    echo " "
    echo "**** Index No: $count ****"
    echo "**** Present Index we are iterating:  ${index} ****"
    count=`expr $count + 1`
    echo " "
    echo " "
    echo "Reindex process starting for index: $index"
    tmp_index=$index${TMP}
    output=$(curl -s -X PUT "http://localhost:9200/$tmp_index" -H 'Content-Type: application/json' -d'
    {
        "settings" : {
            "index" : {
                "number_of_shards" : 5,
                "number_of_replicas" : 1
            }
        }
    }')
    echo " "
    echo "Temporary index: $tmp_index created with output: $output"
    echo "Starting reindexing elastic data from original index: $index to temporary index: $tmp_index"
    output=$(curl -s -X POST "http://localhost:9200/_reindex" -H 'Content-Type: application/json' -d'
    {
      "source": {
        "index": "'$index'"
      },
      "dest": {
        "index": "'$tmp_index'"
      }
    }
    ')
    echo " "
    echo "Reindexing completed from original index: $index to temporary index: $tmp_index with output: $output"
    echo " "
    echo "Deleting $index"
    output=$(curl -s -X DELETE "http://localhost:9200/$index")
    echo "$index deleted with status: $output"
    echo " "
    echo "Creating index: $index"
    output=$(curl -s -X PUT "http://localhost:9200/$index" -H 'Content-Type: application/json' -d'
    {
        "settings" : {
            "index" : {
                "number_of_shards" : 5,
                "number_of_replicas" : 1
            }
        }
    }')
    echo " "
    echo "Index: $index creation status: $output"
    echo " "
    echo "Starting reindexing elastic data from temporary index: $tmp_index to original index: $index"
    output=$(curl -s -X POST "http://localhost:9200/_reindex" -H 'Content-Type: application/json' -d'
    {
      "source": {
        "index": "'$tmp_index'"
      },
      "dest": {
        "index": "'$index'"
      }
    }
    ')
    echo " "
    echo "Reindexing completed from temporary index:$tmp_index to original index:$index with output: $output"
    echo " "
    echo "Deleting $tmp_index"
    output=$(curl -s -X DELETE "http://localhost:9200/$tmp_index")
    echo "$tmp_index deleted with status: $output"
    echo " "
done

echo " "
sleep 5
echo "**** Fetching List of Indices After Elasticsearch Reindexing ****"
curl -s -X GET 'http://localhost:9200/_cat/indices/%2A?v=&s=index:desc' 
echo " "
sleep 5
echo " "
echo "**** Original indices list ****"
echo "$indices_list"
echo "**** No. of indices in original list: $count ****"
echo " "
count1=0
MIndices_list=$(curl -s -X GET 'http://localhost:9200/_cat/indices/%2A?v=&s=index:desc' | awk '{print $3}' | sed -n '1!p')
echo " "
echo "**** Modified indices list ****"
echo "$MIndices_list"
for j in $MIndices_list
do
     count1=`expr $count1 + 1`
done
echo " "
echo "**** No. of indices in modified list: $count1 ****"
echo "****  Script Execution Ended ****"

Popularity 9/10 Helpfulness 4/10 Language shell

Source: stackoverflow.com

Tags: elasticsearch el

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Contributed on Feb 19 2021

devops unicorn

0 Answers Avg Quality 2/10

elasticsearch reindex

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