Check index failure – How to solve related issues

Opster Team

Jan-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Check index failure ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: index and shard.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up to analyze Elasticsearch configuration and help resolve this error.

Log Context

Log “Check index [failure]n{}” classname is IndexShard.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

                     corrupt = exc;
                }
            }
            out.flush();
            if (corrupt != null) {
                logger.warn("check index [failure]\n{}"; os.bytes().utf8ToString());
                throw corrupt;
            }
        } else {
            // full checkindex
            final CheckIndex.Status status = store.checkIndex(out);




 

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