seems i have corrected the configuration as you suggested . why i am sure , because got the below screen after i tested the config
[2019-11-05T17:57:17,176][INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({"type"=>"cluster_block_exception", "reason"=>"index [totalexecution-2019] blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})
[2019-11-05T17:57:17,176][INFO ][logstash.outputs.elasticsearch] Retrying individual bulk actions that failed or were rejected by the previous bulk request. {:count=>1}
[2019-11-05T17:57:17,176][INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({"type"=>"cluster_block_exception", "reason"=>"index [totalexecution-2019] blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})
[2019-11-05T17:57:17,176][INFO ][logstash.outputs.elasticsearch] Retrying individual bulk actions that failed or were rejected by the previous bulk request. {:count=>1}
[2019-11-05T17:57:17,184][INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({"type"=>"cluster_block_exception", "reason"=>"index [totalexecution-2019] blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})
[2019-11-05T17:57:17,188][INFO ][logstash.outputs.elasticsearch] Retrying individual bulk actions that failed or were rejected by the previous bulk request. {:count=>1}
[2019-11-05T17:57:17,188][INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({"type"=>"cluster_block_exception", "reason"=>"index [totalexecution-2019] blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})
[2019-11-05T17:57:17,188][INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({"type"=>"cluster_block_exception", "reason"=>"index [totalexecution-2019] blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})
[2019-11-05T17:57:17,188][INFO ][logstash.outputs.elasticsearch] retrying failed action with response code: 403 ({"type"=>"cluster_block_exception", "reason"=>"index [totalexecution-2019] blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"})
[2019-11-05T17:57:17,188][INFO ][logstash.outputs.elasticsearch] Retrying individual bulk actions that failed or were rejected by the previous bulk request. {:count=>3}
two kind of post discuss about this.
1.disk space issue (which is not in my case )
2.this post talks about locked indices
not sure how to identify the actual problem