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Properly initialize thread pools

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This commit is contained in:
Eike Kettner
2020-03-17 22:37:12 +01:00
parent 00ca6b5697
commit f0449dd2ce
3 changed files with 40 additions and 20 deletions
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23
modules/restserver/src/main/scala/docspell/restserver/Main.scala
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@ -4,7 +4,6 @@ import cats.effect._
import cats.implicits._
import scala.concurrent.ExecutionContext
import java.util.concurrent.Executors
import java.nio.file.{Files, Paths}
import docspell.common.{Banner, ThreadFactories}
@ -13,14 +12,8 @@ import org.log4s._
object Main extends IOApp {
private[this] val logger = getLogger
val blockingEc: ExecutionContext = ExecutionContext.fromExecutor(
Executors.newCachedThreadPool(ThreadFactories.ofName("docspell-restserver-blocking"))
)
val blocker = Blocker.liftExecutionContext(blockingEc)
val connectEC: ExecutionContext = ExecutionContext.fromExecutorService(
Executors.newFixedThreadPool(5, ThreadFactories.ofName("docspell-dbconnect"))
)
val blockingEC = ThreadFactories.cached[IO](ThreadFactories.ofName("docspell-restserver-blocking"))
val connectEC = ThreadFactories.fixed[IO](5, ThreadFactories.ofName("docspell-dbconnect"))
def run(args: List[String]) = {
args match {
@ -52,7 +45,17 @@ object Main extends IOApp {
cfg.appId,
cfg.baseUrl
)
val pools = for {
cec <- connectEC
bec <- blockingEC
blocker = Blocker.liftExecutorService(bec)
} yield Pools(cec, bec, blocker)
logger.info(s"\n${banner.render("***>")}")
RestServer.stream[IO](cfg, connectEC, blockingEc, blocker).compile.drain.as(ExitCode.Success)
pools.use(p =>
RestServer.stream[IO](cfg, p.connectEC, p.clientEC, p.blocker).compile.drain.as(ExitCode.Success)
)
}
case class Pools(connectEC: ExecutionContext, clientEC: ExecutionContext, blocker: Blocker)
}