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Protection from too large size of index in memory. #11188

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alexey-milovidov opened this issue May 25, 2020 · 0 comments · Fixed by #60093
Closed

Protection from too large size of index in memory. #11188

alexey-milovidov opened this issue May 25, 2020 · 0 comments · Fixed by #60093
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memory When memory usage is higher than expected usability

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@alexey-milovidov
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The user may accidentially create a table with index_granularity = 1 and insert many rows.
In this case, the size of primary.idx may become too large, it will lead to OOM and subsequent infinite loop of OOM after startup.
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Lazy loading of primary keys in memory ClickHouse/ClickHouse
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@filimonov @alexey-milovidov