我收到警报，指出 elasticsearch 有 2 个未分配的分片。我进行了以下 api 调用以收集更多详细信息。
curl -s http://localhost:9200/_cluster/allocation/explain | python -m json.tool
下面的输出
"allocate_explanation": "cannot allocate because allocation is not permitted to any of the nodes",
"can_allocate": "no",
"current_state": "unassigned",
"index": "docs_0_1603929645264",
"node_allocation_decisions": [
{
"deciders": [
{
"decider": "max_retry",
"decision": "NO",
"explanation": "shard has exceeded the maximum number of retries [5] on failed allocation attempts - manually call [/_cluster/reroute?retry_failed=true] to retry, [unassigned_info[[reason=ALLOCATION_FAILED], at[2020-10-30T06:10:16.305Z], failed_attempts[5], delayed=false, details[failed shard on node [o_9jyrmOSca9T12J4bY0Nw]: failed recovery, failure RecoveryFailedException[[docs_0_1603929645264][0]: Recovery failed from …