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fix: Scheduling the heavy database ops on bounded elastic thread pool for Ms-sql #39176

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Feb 11, 2025
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Original file line number Diff line number Diff line change
Expand Up @@ -363,15 +363,14 @@ private Set<String> populateHintMessages(List<String> columnNames) {
@Override
public Mono<HikariDataSource> datasourceCreate(DatasourceConfiguration datasourceConfiguration) {
log.debug(Thread.currentThread().getName() + ": datasourceCreate() called for MSSQL plugin.");
return connectionPoolConfig
.getMaxConnectionPoolSize()
.flatMap(maxPoolSize -> {
return Mono.defer(
() -> connectionPoolConfig.getMaxConnectionPoolSize().flatMap(maxPoolSize -> {
return Mono.fromCallable(() -> {
log.debug(Thread.currentThread().getName() + ": Connecting to SQL Server db");
return createConnectionPool(datasourceConfiguration, maxPoolSize);
});
})
.subscribeOn(scheduler);
log.debug(Thread.currentThread().getName() + ": Connecting to SQL Server db");
return createConnectionPool(datasourceConfiguration, maxPoolSize);
})
.subscribeOn(scheduler);
}));
}

@Override
Expand Down