SQL statement too large – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7-7

Briefly, this error occurs when the SQL statement sent to Elasticsearch exceeds the maximum size limit that Elasticsearch can handle. This could be due to a complex query with too many conditions or a large amount of data being requested. To resolve this issue, you can try to simplify your SQL statement by reducing the number of conditions, splitting the query into smaller parts, or increasing the maximum size limit of SQL statements in Elasticsearch settings, if possible. However, be cautious with the last option as it may impact the performance of your Elasticsearch cluster.

This guide will help you check for common problems that cause the log ” SQL statement too large; ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, parser.

Log Context

Log “SQL statement too large;” class name is SqlParser.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 ctx.getClass() != SqlBaseParser.ValueExpressionContext.class &&
 (insideIn == false || ctx.getClass() != PrimaryExpressionContext.class)) {  int currentDepth = depthCounts.putOrAdd(ctx.getClass().getSimpleName(); (short) 1; (short) 1);
 if (currentDepth > MAX_RULE_DEPTH) {
 throw new ParsingException(source(ctx); "SQL statement too large; " +
 "halt parsing to prevent memory errors (stopped at depth {})"; MAX_RULE_DEPTH);


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