#sqlcacherefresh — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #sqlcacherefresh, aggregated by home.social.
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Why does this SQL cache stampede?
Why does this SQL cache stampede under load. The SQL layer recomputes values on expiry without a lock, so every request hits the database. In SQL services this melts the backend.
#whatswrongwiththissqlquery #sqlbug #sqlproductionbug #sqldebugging #sqldatabase #sqlcodereview #sqlperformance #sqlreliability #sqlanalytics #sqldataintegrity #sqlengineering #sqlcachestampede #sqlcacherefresh #sqldatabaseload #sqlperfo...
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Why does this SQL cache stampede?
Why does this SQL cache stampede under load. The SQL layer recomputes values on expiry without a lock, so every request hits the database. In SQL services this melts the backend.
#whatswrongwiththissqlquery #sqlbug #sqlproductionbug #sqldebugging #sqldatabase #sqlcodereview #sqlperformance #sqlreliability #sqlanalytics #sqldataintegrity #sqlengineering #sqlcachestampede #sqlcacherefresh #sqldatabaseload #sqlperfo...
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Why does this SQL cache stampede?
Why does this SQL cache stampede under load. The SQL layer recomputes values on expiry without a lock, so every request hits the database. In SQL services this melts the backend.
#whatswrongwiththissqlquery #sqlbug #sqlproductionbug #sqldebugging #sqldatabase #sqlcodereview #sqlperformance #sqlreliability #sqlanalytics #sqldataintegrity #sqlengineering #sqlcachestampede #sqlcacherefresh #sqldatabaseload #sqlperfo...