---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-4389 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: 2799.998 BogoMIPS: 5599.99 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 8.2G 12G 43% / 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 474 4696 0 2805 7210 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:e6:23:c4 brd ff:ff:ff:ff:ff:ff inet 10.32.6.27/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86108sec preferred_lft 86108sec inet6 fe80::f816:3eff:fee6:23c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4389) 06/27/26 _x86_64_ (4 CPU) 08:12:57 LINUX RESTART (4 CPU) 08:13:01 tps rtps wtps bread/s bwrtn/s 08:14:01 171.57 85.65 85.92 4951.07 40864.15 08:15:01 55.83 1.98 53.85 61.98 9474.44 08:16:01 114.16 38.64 75.52 2268.56 27540.08 08:17:01 38.41 2.08 36.33 116.61 4872.50 Average: 94.98 32.08 62.90 1849.20 20685.17 08:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:14:01 5984512 7409736 2182908 26.73 37068 1568536 691132 7.50 590548 1431296 86056 08:15:01 5667024 7383348 2500396 30.61 56564 1822292 705192 7.65 633384 1670324 151516 08:16:01 4182404 6622504 3985016 48.79 64156 2524388 1584464 17.19 1437256 2318988 5312 08:17:01 4808664 7379084 3358756 41.12 68904 2647172 692016 7.51 732500 2395252 25432 Average: 5160651 7198668 3006769 36.81 56673 2140597 918201 9.96 848422 1953965 67079 08:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:14:01 lo 1.53 1.53 0.13 0.13 0.00 0.00 0.00 0.00 08:14:01 ens3 464.58 240.98 1514.16 65.64 0.00 0.00 0.00 0.00 08:15:01 lo 0.40 0.40 0.04 0.04 0.00 0.00 0.00 0.00 08:15:01 ens3 48.25 40.27 368.65 9.34 0.00 0.00 0.00 0.00 08:16:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 08:16:01 ens3 581.80 475.80 10692.73 73.52 0.00 0.00 0.00 0.00 08:17:01 lo 1.35 1.35 0.18 0.18 0.00 0.00 0.00 0.00 08:17:01 ens3 176.31 191.45 868.10 35.64 0.00 0.00 0.00 0.00 Average: lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 Average: ens3 317.71 237.12 3360.65 46.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-4389) 06/27/26 _x86_64_ (4 CPU) 08:12:57 LINUX RESTART (4 CPU) 08:13:01 CPU %user %nice %system %iowait %steal %idle 08:14:01 all 22.02 0.00 2.63 5.48 1.20 68.67 08:14:01 0 15.59 0.00 1.62 3.35 1.08 78.36 08:14:01 1 17.43 0.00 4.19 4.20 1.03 73.14 08:14:01 2 26.19 0.00 2.35 11.29 1.47 58.70 08:14:01 3 28.89 0.00 2.35 3.07 1.20 64.48 08:15:01 all 19.21 0.00 1.23 1.48 0.92 77.15 08:15:01 0 20.87 0.00 1.50 0.92 0.80 75.91 08:15:01 1 22.51 0.00 0.69 0.35 1.42 75.02 08:15:01 2 3.05 0.00 0.57 4.21 0.37 91.80 08:15:01 3 30.36 0.00 2.18 0.43 1.10 65.92 08:16:01 all 41.93 0.00 2.37 2.32 3.28 50.10 08:16:01 0 45.01 0.00 2.52 1.49 3.05 47.92 08:16:01 1 33.43 0.00 1.85 2.00 3.15 59.57 08:16:01 2 43.08 0.00 2.16 2.00 3.19 49.58 08:16:01 3 46.20 0.00 2.93 3.81 3.76 43.30 08:17:01 all 25.64 0.00 1.47 0.81 1.96 70.13 08:17:01 0 15.50 0.00 1.07 0.70 2.75 79.98 08:17:01 1 14.23 0.00 1.03 0.10 1.29 83.36 08:17:01 2 16.83 0.00 1.33 2.07 1.56 78.22 08:17:01 3 56.19 0.00 2.46 0.35 2.21 38.79 Average: all 27.20 0.00 1.92 2.52 1.84 66.52 Average: 0 24.23 0.00 1.67 1.61 1.93 70.56 Average: 1 21.89 0.00 1.93 1.66 1.72 72.79 Average: 2 22.29 0.00 1.60 4.89 1.65 69.58 Average: 3 40.43 0.00 2.48 1.91 2.07 53.11