---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-2186 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 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 481 5119 0 2375 7211 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:f6:be:e1 brd ff:ff:ff:ff:ff:ff inet 10.32.7.181/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86083sec preferred_lft 86083sec inet6 fe80::f816:3eff:fef6:bee1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2186) 05/02/26 _x86_64_ (4 CPU) 23:17:49 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps bread/s bwrtn/s 23:19:01 122.86 55.72 67.14 3588.47 6169.52 23:20:01 74.00 29.76 44.24 1632.53 8304.22 23:21:02 35.52 10.16 25.36 773.74 7136.69 23:22:01 23.28 1.03 22.25 30.23 10415.32 23:23:01 24.71 2.98 21.73 153.57 1544.68 Average: 56.19 20.00 36.19 1239.72 6701.72 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 5852008 7394864 2315412 28.35 45600 1670228 711048 7.72 641120 1496904 183552 23:20:01 5485948 7287528 2681472 32.83 58104 1905448 817460 8.87 752616 1728428 190308 23:21:02 4611628 6542364 3555792 43.54 62404 2025524 1485848 16.12 1536368 1805044 90984 23:22:01 5233372 7366792 2934048 35.92 66912 2218748 691032 7.50 773492 1939928 7560 23:23:01 5268008 7409744 2899412 35.50 69344 2224108 667800 7.25 737560 1940344 9696 Average: 5290193 7200258 2877227 35.23 60473 2008811 874638 9.49 888231 1782130 96420 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 23:19:01 ens3 430.89 239.88 1496.67 69.99 0.00 0.00 0.00 0.00 23:20:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 23:20:01 ens3 123.58 109.87 2025.40 22.91 0.00 0.00 0.00 0.00 23:21:02 lo 14.31 14.31 5.19 5.19 0.00 0.00 0.00 0.00 23:21:02 ens3 146.73 139.80 1498.77 19.66 0.00 0.00 0.00 0.00 23:22:01 lo 112.15 112.15 32.01 32.01 0.00 0.00 0.00 0.00 23:22:01 ens3 129.33 118.71 1272.53 19.54 0.00 0.00 0.00 0.00 23:23:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 23:23:01 ens3 12.18 12.65 9.26 6.02 0.00 0.00 0.00 0.00 Average: lo 25.62 25.62 7.42 7.42 0.00 0.00 0.00 0.00 Average: ens3 168.68 124.20 1260.49 27.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-2186) 05/02/26 _x86_64_ (4 CPU) 23:17:49 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 23.59 0.00 1.84 3.61 1.38 69.58 23:19:01 0 30.65 0.00 1.40 1.25 1.32 65.38 23:19:01 1 22.55 0.00 1.86 0.98 1.51 73.10 23:19:01 2 19.98 0.00 2.50 10.88 1.55 65.10 23:19:01 3 21.22 0.00 1.60 1.35 1.15 74.68 23:20:01 all 22.50 0.00 1.43 1.72 1.21 73.14 23:20:01 0 23.80 0.00 1.12 0.97 1.07 73.04 23:20:01 1 37.75 0.00 2.25 0.48 1.65 57.88 23:20:01 2 15.88 0.00 1.52 4.15 1.22 77.23 23:20:01 3 12.53 0.00 0.85 1.28 0.88 84.46 23:21:02 all 39.84 0.00 1.27 0.94 2.70 55.25 23:21:02 0 42.18 0.00 1.23 0.53 2.61 53.44 23:21:02 1 40.97 0.00 1.28 0.32 2.81 54.62 23:21:02 2 34.95 0.00 1.22 2.26 2.51 59.05 23:21:02 3 41.26 0.00 1.36 0.62 2.86 53.89 23:22:01 all 31.68 0.00 1.45 0.60 2.10 64.16 23:22:01 0 28.54 0.00 1.13 0.03 2.13 68.16 23:22:01 1 28.49 0.00 1.87 0.41 1.87 67.36 23:22:01 2 42.35 0.00 1.90 1.61 2.67 51.47 23:22:01 3 27.33 0.00 0.90 0.37 1.75 69.65 23:23:01 all 20.85 0.00 1.06 0.65 0.94 76.51 23:23:01 0 37.94 0.00 1.21 0.35 1.28 59.21 23:23:01 1 18.87 0.00 0.75 0.10 0.67 79.62 23:23:01 2 21.24 0.00 1.84 1.86 1.08 73.98 23:23:01 3 5.35 0.00 0.42 0.28 0.71 93.24 Average: all 27.68 0.00 1.41 1.51 1.66 67.74 Average: 0 32.64 0.00 1.22 0.63 1.68 63.83 Average: 1 29.73 0.00 1.60 0.46 1.70 66.51 Average: 2 26.83 0.00 1.79 4.16 1.80 65.41 Average: 3 21.51 0.00 1.03 0.78 1.47 75.21