尝试执行flushdb时，RedisDB引发超时异常

Question

我对StackExchange.Redis有个问题。在我们的过程中，我们有两个redis数据库。这些数据库用于存储用户可以对其执行查找的相似信息，因此我们在导入时在它们之间进行切换，以便用户可以连续访问这些信息。每天大约有50000000条记录被插入到一个数据库中，而从另一个数据库中删除旧记录，以便为第二天的导入做好准备。记录批量导入，每批导入100000条记录。我们面临的问题是，数据导入完成后，Redis在尝试执行flushdb命令时抛出异常。

StackExchange.Redis.RedisTimeoutException Timeout awaiting response (outbound=0KiB, inbound=0KiB, 5976ms elapsed, timeout is 5000ms), command=UNKNOWN, next: SELECT, inst: 0, qu: 0, qs: 2, aw: False, rs: ReadAsync, ws: Idle, in: 0, in-pipe: 0, out-pipe: 0, serverEndpoint: 127.0.0.1:6379, mgr: 10 of 10 available, clientName: MX-ENUM-VM, IOCP: (Busy=0,Free=1000,Min=2,Max=1000), WORKER: (Busy=3,Free=32764,Min=2,Max=32767), v: 2.0.601.3402 (Please take a look at this article for some common client-side issues that can cause timeouts: https://stackexchange.github.io/StackExchange.Redis/Timeouts)    at Project.Synchronizer.Service.RedisHelper.FlushDb(Int32 dbIndex)
    at Project.Synchronizer.Service.RedisHelper.SelectAndClearRedisDbForNumberUpload()
    at Project.Synchronizer.Service.RedisHelper.UploadNumbers()
    at Project.Synchronizer.Service.DataUploadService.UploadNumbersToRedis() StackExchange.Redis.RedisTimeoutException: Timeout awaiting response (outbound=0KiB, inbound=0KiB, 5976ms elapsed, timeout is 5000ms), command=UNKNOWN, next: SELECT, inst: 0, qu: 0, qs: 2, aw: False, rs: ReadAsync, ws: Idle, in: 0, in-pipe: 0, out-pipe: 0, serverEndpoint: 127.0.0.1:6379, mgr: 10 of 10 available, clientName: CLIENT-ENUM-VM, IOCP: (Busy=0,Free=1000,Min=2,Max=1000), WORKER: (Busy=3,Free=32764,Min=2,Max=32767), v: 2.0.601.3402 (Please take a look at this article for some common client-side issues that can cause timeouts: https://stackexchange.github.io/StackExchange.Redis/Timeouts)
    at Project.Synchronizer.Service.RedisHelper.FlushDb(Int32 dbIndex)
    at Project.Synchronizer.Service.RedisHelper.SelectAndClearRedisDbForNumberUpload()
    at Project.Synchronizer.Service.RedisHelper.UploadNumbers()
    at Project.Synchronizer.Service.DataUploadService.UploadNumbersToRedis()

我尝试执行此命令的方式是

private async Task FlushDb(int dbIndex)
{
    await getDB(dbIndex).ExecuteAsync("flushdb");
}

任何形式的帮助都会非常感谢，因为我已经被困在这个问题上很长一段时间了。根据记录，我试图在这里得到一些答案，但无法弄明白任何东西https://stackexchange.github.io/StackExchange.Redis/Timeouts.html

Answer 1

嗯，似乎我设法解决了这个问题，但没有深入研究是什么导致了它。长话短说，增加syncTimeout似乎有帮助，异常不再抛出。这个帖子在我的案例stackexchange.redis throws timeout even after increasing timeout?中很有帮助