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Thread control

For specific case maybe need specify custom numbers of netty work threads First way is use client builder property

TarantoolClient<TarantoolTuple, TarantoolResult<TarantoolTuple>> setupClient() {
        return TarantoolClientFactory.createClient()
        .withCredentials("admin", "secret-cluster-cookie")
        .withAddress(container.getRouterHost(), container.getRouterPort())
        .withEventLoopThreadsNumber(threadsNumber)
        .build();

Second way is use java system property

-Dio.netty.eventLoopThreads

All these properties should be used carefully, because if threads more than need may give low app performance.