StackExchange.Redis.RedisTimeoutException

[SwatiLiyaBasecone]

Timeout awaiting response (outbound=0KiB, inbound=2KiB, 5000ms elapsed, timeout is 5000ms), command=SETEX, next: SET session:01J2963J4NNQTFSZYKWG3F83XY, inst: 0, qu: 0, qs: 0, aw: False, bw: SpinningDown, rs: ReadAsync, ws: Idle, in: 641, last-in: 1, cur-in: 0, sync-ops: 337, async-ops: 812, serverEndpoint: xxxxx.redis.cache.windows.net:6380, conn-sec: 14783.12, aoc: 0, mc: 1/1/0, mgr: 10 of 10 available, clientName: xxxxx(SE.Redis-v2.7.17.27058), IOCP: (Busy=0,Free=1000,Min=1,Max=1000), WORKER: (Busy=10,Free=32757,Min=1,Max=32767), POOL: (Threads=10,QueuedItems=5,CompletedItems=70758,Timers=23), v: 2.7.17.27058 (Please take a look at this article for some common client-side issues that can cause timeouts: https://stackexchange.github.io/StackExchange.Redis/Timeouts)

[NickCraver]

Do you have any details here? Amount of exceptions? Frequency? Conditions?

[SwatiLiyaBasecone]

Do you have any details here? Amount of exceptions? Frequency? Conditions?

It during load testing with 50+ users

[rickymediaengine]

It happens also on our side during heavy load:
StackExchange.Redis.RedisTimeoutException: Timeout performing GET (5000ms), inst: 1, qu: 0, qs: 0, aw: False, bw: SpinningDown, rs: ReadAsync, ws: Idle, in: 0, in-pipe: 0, out-pipe: 0, last-in: 4, cur-in: 0, sync-ops: 4064644, async-ops: 0, serverEndpoint: 10.1.35.14:6379, conn-sec: 62754,11, aoc: 0, mc: 1/1/0, mgr: 100 of 100 available, clientName: VM8777(SE.Redis-v2.7.33.41805), IOCP: (Busy=0,Free=1000,Min=4,Max=1000), WORKER: (Busy=50,Free=32717,Min=4,Max=32767), v: 2.7.33.41805 (Please take a look at this article for some common client-side issues that can cause timeouts: https://stackexchange.github.io/StackExchange.Redis/Timeouts)

[KendoSai]

It happens also on our side during heavy load: StackExchange.Redis.RedisTimeoutException: Timeout performing GET (5000ms), inst: 1, qu: 0, qs: 0, aw: False, bw: SpinningDown, rs: ReadAsync, ws: Idle, in: 0, in-pipe: 0, out-pipe: 0, last-in: 4, cur-in: 0, sync-ops: 4064644, async-ops: 0, serverEndpoint: 10.1.35.14:6379, conn-sec: 62754,11, aoc: 0, mc: 1/1/0, mgr: 100 of 100 available, clientName: VM8777(SE.Redis-v2.7.33.41805), IOCP: (Busy=0,Free=1000,Min=4,Max=1000), WORKER: (Busy=50,Free=32717,Min=4,Max=32767), v: 2.7.33.41805 (Please take a look at this article for some common client-side issues that can cause timeouts: https://stackexchange.github.io/StackExchange.Redis/Timeouts)

I think you could change to use async methods for getting, setting cache values. Because in the timeout message, there are quite a lot of sync operations sync-ops: 4064644