Re: ATS Memory Usage Steady Increase

2021-01-11 Thread Masaori Koshiba
Hi Hongfei, Recently, we faced a memory leak on the following redirect with 8.1.1[*1]. The fix[*2] is coming in the next release, 8.1.2 and 9.0.1. If you didn't have your leak with 8.1.0, it might be the same leak. > 1. Inside HttpSM, which states require allocate/re-use ioBuf? Is there a way to

Re: ATS Memory Usage Steady Increase

2021-01-11 Thread Hongfei Zhang
Thanks Fei. There weren’t SSL/TLS sessions in our environment but I do feel some of memory are being held by ‘dormant’ sessions. The total of amount of memory held by freelist (44G) was however surprisingly high. Majority of that (99%) are allocated through and held by ioBufAllocator. I am wond

Re: ATS Memory Usage Steady Increase

2020-12-17 Thread Fei Deng
Not saying this is the exact cause, but we've seen similar behavior previously. The reason for our issue was the session cache size was set to a size too big compared to the ram size, and since the sessions stored in the cache are only removed when the cache is full, and inserting new sessions caus

ATS Memory Usage Steady Increase

2020-12-17 Thread Hongfei Zhang
Hi Folks,Based on information provided https://docs.trafficserver.apache.org/en/8.1.x/admin-guide/performance/index.en.html#memory-allocation and with a fixed ram_cache.size setting (32GB), we expected the memory usage to be plateaued a couple of days usage.    This is not however what we saw in mu