---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4935 4.15.0-192-generic #203-Ubuntu SMP Wed Aug 10 17:40:03 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt nrip_save umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 3.9G 0 3.9G 0% /dev tmpfs 798M 664K 797M 1% /run /dev/vda1 20G 7.8G 12G 41% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 798M 0 798M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7975 490 5083 0 2401 7199 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1450 qdisc fq_codel state UP group default qlen 1000 link/ether fa:16:3e:12:4a:08 brd ff:ff:ff:ff:ff:ff inet 10.32.7.142/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86001sec preferred_lft 86001sec inet6 fe80::f816:3eff:fe12:4a08/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4935) 07/04/26 _x86_64_ (4 CPU) 03:47:58 LINUX RESTART (4 CPU) 03:48:01 tps rtps wtps bread/s bwrtn/s 03:49:02 178.97 96.40 82.57 5170.54 40066.39 03:50:01 52.76 0.19 52.58 22.37 9100.64 03:51:01 55.77 12.36 43.41 243.83 9805.30 03:52:01 8.27 0.00 8.27 0.00 302.88 03:53:01 36.63 0.27 36.36 5.33 7761.91 03:54:01 28.90 0.82 28.08 86.79 5017.83 Average: 60.24 18.39 41.85 924.07 12017.96 03:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:49:02 6037660 7421128 2129760 26.08 36084 1528244 679232 7.37 577092 1392648 69844 03:50:01 5725796 7379236 2441624 29.89 54192 1766080 721464 7.83 633868 1617988 136924 03:51:01 5423924 7215412 2743496 33.59 59100 1892624 892432 9.68 802576 1738184 984 03:52:01 5406688 7204912 2760732 33.80 60948 1896660 909204 9.87 815120 1741428 2208 03:53:01 5000664 7126324 3166756 38.77 64916 2212820 942048 10.22 898508 2048900 101680 03:54:01 5271668 7433368 2895752 35.45 68164 2245088 632508 6.86 611608 2064464 26148 Average: 5477733 7296730 2689687 32.93 57234 1923586 796148 8.64 723129 1767269 56298 03:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:49:02 ens3 478.61 242.19 1201.71 66.77 0.00 0.00 0.00 0.00 03:49:02 lo 2.07 2.07 0.19 0.19 0.00 0.00 0.00 0.00 03:50:01 ens3 56.39 47.37 678.24 5.24 0.00 0.00 0.00 0.00 03:50:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:51:01 ens3 89.99 80.14 1285.86 16.07 0.00 0.00 0.00 0.00 03:51:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 03:52:01 ens3 53.07 76.45 63.50 12.08 0.00 0.00 0.00 0.00 03:52:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 03:53:01 ens3 593.42 535.06 3729.60 64.18 0.00 0.00 0.00 0.00 03:53:01 lo 0.40 0.40 0.03 0.03 0.00 0.00 0.00 0.00 03:54:01 ens3 142.31 106.57 395.15 34.80 0.00 0.00 0.00 0.00 03:54:01 lo 0.60 0.60 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 236.13 181.67 1227.19 33.27 0.00 0.00 0.00 0.00 Average: lo 0.82 0.82 0.07 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4935) 07/04/26 _x86_64_ (4 CPU) 03:47:58 LINUX RESTART (4 CPU) 03:48:01 CPU %user %nice %system %iowait %steal %idle 03:49:02 all 22.55 0.00 3.22 5.54 1.19 67.50 03:49:02 0 23.19 0.00 5.59 4.10 1.37 65.75 03:49:02 1 13.79 0.00 2.45 9.49 1.07 73.20 03:49:02 2 21.49 0.00 2.53 3.69 1.07 71.22 03:49:02 3 31.75 0.00 2.30 4.87 1.25 59.83 03:50:01 all 18.01 0.00 1.14 1.46 0.72 78.67 03:50:01 0 25.45 0.00 1.54 0.15 0.73 72.12 03:50:01 1 12.69 0.00 1.37 5.54 0.81 79.59 03:50:01 2 32.99 0.00 1.53 0.12 1.17 64.19 03:50:01 3 0.95 0.00 0.12 0.00 0.15 98.78 03:51:01 all 16.16 0.00 0.84 1.09 0.99 80.92 03:51:01 0 12.33 0.00 0.82 1.77 0.87 84.21 03:51:01 1 11.10 0.00 0.88 2.15 1.00 84.86 03:51:01 2 27.03 0.00 1.28 0.12 1.17 70.40 03:51:01 3 14.15 0.00 0.42 0.35 0.93 84.15 03:52:01 all 5.34 0.00 0.29 0.03 0.27 94.08 03:52:01 0 3.84 0.00 0.23 0.07 0.18 95.68 03:52:01 1 4.59 0.00 0.00 0.03 0.17 95.21 03:52:01 2 5.44 0.00 0.40 0.00 0.40 93.76 03:52:01 3 7.50 0.00 0.48 0.00 0.32 91.71 03:53:01 all 12.58 0.00 1.20 0.26 0.66 85.29 03:53:01 0 10.42 0.00 1.32 0.62 0.55 87.10 03:53:01 1 13.91 0.00 1.15 0.32 0.62 84.00 03:53:01 2 14.87 0.00 1.54 0.08 0.87 82.64 03:53:01 3 11.14 0.00 0.80 0.03 0.60 87.43 03:54:01 all 20.35 0.00 1.14 0.71 0.83 76.97 03:54:01 0 47.64 0.00 1.80 2.65 1.66 46.26 03:54:01 1 10.44 0.00 0.83 0.00 0.52 88.21 03:54:01 2 13.15 0.00 0.96 0.13 0.83 84.92 03:54:01 3 10.15 0.00 0.93 0.05 0.32 88.55 Average: all 15.83 0.00 1.31 1.51 0.78 80.58 Average: 0 20.48 0.00 1.88 1.56 0.90 75.18 Average: 1 11.08 0.00 1.12 2.92 0.70 84.19 Average: 2 19.13 0.00 1.37 0.69 0.92 77.90 Average: 3 12.63 0.00 0.84 0.89 0.60 85.04