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- Query limits | kql. how
Result truncation is a limit set by default on the result set returned by the query Kusto limits the number of records returned to the client to 500,000, and the overall data size for those records to 64 MB When either of these limits is exceeded, the query fails with a “partial query failure”
- Query limits - Kusto | Microsoft Learn
Limit on memory consumed by query operators (E_RUNAWAY_QUERY) Kusto limits the memory that each query operator can consume to protect against "runaway" queries This limit might be reached by some query operators, such as join and summarize, that operate by holding significant data in memory
- Kusto, retrieving all the rows with maximum values
It's not possible to define this query as a materialized view As the error message says, the materialized view must have a single aggregation at the end of the query, and there's no way to express what you're looking for with these constraints
- Options and Customization | microsoft Kusto-Query-Language | DeepWiki
This document covers the various mechanisms available for customizing and configuring the Kusto Query Language (KQL) system It explains how to configure the language service, adjust parsing behavior, and set query-specific options that affect semantic analysis and execution
- take operator - Kusto | Microsoft Learn
Return up to the specified number of rows There is no guarantee which records are returned, unless the source data is sorted If the data is sorted, then the top values will be returned The take and limit operators are equivalent
- Kusto query limits - Microsoft Fabric Community
Each row has a field for a stack trace string that could be big, and i point to the limit of 64MB as the source of the "problem" If i use set truncationmaxrecords = 10000, the query correctly returns 10K (instead of 32K), but if i set a value greter that 64MB (like for instance 127000000 about 125MB) nothing happen: only 32K rows
- E_RUNAWAY_QUERY - Microsoft Q A
Use set query_take_max_records = N to cap rows processed during testing Help prevent runaway queries or excessive resource use KQL Engine is struggling even processing reasonably small amount of manageable volume of data?
- Request properties | kql. how
If set to true, forces a cache refresh of query results for a specific query Must be used in combination with query_results_cache_max_age , and sent via Kusto Data ClientRequestProperties class , not as a set statement
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