Index aliases in Elasticsearch - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create an alias named 'my_alias' for the index 'my_index'.

Elasticsearch

POST /_aliases
{
  "actions": [
    { "add": { "index": "my_index", "alias": "[1]" } }
  ]
}

Drag options to blanks, or click blank then click option'

Aindex_alias

Balias_index

Cdefault_alias

Dmy_alias

Attempts:

3 left

💡 Hint

Common Mistakes

Using the index name instead of the alias name.

Using a different alias name than requested.

The alias name should be 'my_alias' to match the requirement.

2fill in blank

medium

Complete the code to remove the alias 'old_alias' from the index 'old_index'.

Elasticsearch

POST /_aliases
{
  "actions": [
    { "remove": { "index": "old_index", "alias": "[1]" } }
  ]
}

Drag options to blanks, or click blank then click option'

Aold_alias

Bnew_alias

Cremove_alias

Dalias_old

Attempts:

3 left

💡 Hint

Common Mistakes

Removing the wrong alias name.

Confusing index name with alias name.

The alias to remove is 'old_alias' as specified.

3fill in blank

hard

Fix the error in the code to add alias 'search_alias' to index 'products'.

Elasticsearch

POST /_aliases
{
  "actions": [
    { "add": { "index": "[1]", "alias": "search_alias" } }
  ]
}

Drag options to blanks, or click blank then click option'

Aproduct_index

Bproduct

Cproducts

Dproduct_list

Attempts:

3 left

💡 Hint

Common Mistakes

Using singular form instead of plural.

Using a different index name.

The index name must be 'products' to match the instruction.

4fill in blank

hard

Fill both blanks to create an alias 'logs_alias' for index 'logs_2023' with a filter for 'status' equals 'error'.

Elasticsearch

POST /_aliases
{
  "actions": [
    { "add": { "index": "[1]", "alias": "[2]", "filter": { "term": { "status": "error" } } } }
  ]
}

Drag options to blanks, or click blank then click option'

Alogs_2023

Blogs_alias

Cerror_logs

Dlogs2023

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up index and alias names.

Using incorrect index or alias names.

The index is 'logs_2023' and the alias is 'logs_alias' as required.

5fill in blank

hard

Fill all three blanks to atomically remove alias 'temp_alias' from 'temp_index' and add alias 'prod_alias' to 'prod_index'.

Elasticsearch

POST /_aliases
{
  "actions": [
    { "remove": { "index": "[1]", "alias": "[2]" } },
    { "add": { "index": "[3]", "alias": "prod_alias" } }
  ]
}

Drag options to blanks, or click blank then click option'

Atemp_index

Btemp_alias

Cprod_index

Dprod_alias

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping index and alias names.

Using wrong index names for add or remove.

Remove alias 'temp_alias' from 'temp_index' and add alias 'prod_alias' to 'prod_index' as instructed.