Log Failed to derived initial_shards from value . ignore allocation for – How To Solve Related Issues

Log Failed to derived initial_shards from value . ignore allocation for – How To Solve Related Issues

Updated: Feb-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Failed to derived initial_shards from value . ignore allocation for” it’s important to understand a few problems related to Elasticsearch concepts allocation. See bellow important tips and explanations on these concepts

Log Context

Log”[{}][{}] failed to derived initial_shards from value {}; ignore allocation for {}” classname is LocalGatewayAllocator.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                         }
                    } else {
                        requiredAllocation = Integer.parseInt(initialShards);
                    }
                } catch (Exception e) {
                    logger.warn("[{}][{}] failed to derived initial_shards from value {}; ignore allocation for {}"; shard.index(); shard.id(); initialShards; shard);
                }
            }

            // not enough found for this shard; continue...
            if (numberOfAllocationsFound 

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

 

   

 

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