---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-7889 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 8.8G 11G 46% / 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 4053 0 3448 7202 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:47:fe:7a brd ff:ff:ff:ff:ff:ff inet 10.32.7.85/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85994sec preferred_lft 85994sec inet6 fe80::f816:3eff:fe47:fe7a/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-7889) 08/08/26 _x86_64_ (4 CPU) 22:37:51 LINUX RESTART (4 CPU) 22:38:01 tps rtps wtps bread/s bwrtn/s 22:39:01 132.44 54.60 77.84 3588.40 40210.48 22:40:01 51.99 0.17 51.82 21.86 8966.11 22:41:01 91.10 29.96 61.15 1663.58 42280.04 22:42:01 9.42 0.00 9.42 0.00 392.87 22:43:01 41.68 1.17 40.51 64.23 8590.10 22:44:01 27.06 1.57 25.50 118.51 4929.05 Average: 58.95 14.58 44.37 909.48 17562.26 22:38:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:39:01 5987640 7412236 2179780 26.69 36840 1567652 696140 7.55 586152 1430992 87988 22:40:01 5669776 7376768 2497644 30.58 55676 1814744 702752 7.63 636312 1665412 179900 22:41:01 4439888 7284524 3727532 45.64 59668 2930784 777096 8.43 740928 2755212 1836 22:42:01 4421272 7273560 3746148 45.87 61716 2935408 777096 8.43 753740 2758924 1308 22:43:01 3892760 7100324 4274660 52.34 66264 3277724 901184 9.78 938400 3085508 102692 22:44:01 4168544 7390524 3998876 48.96 68792 3290180 667272 7.24 669324 3080948 10572 Average: 4763313 7306323 3404107 41.68 58159 2636082 753590 8.18 720809 2462833 64049 22:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:39:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 22:39:01 ens3 393.07 214.56 1420.91 64.87 0.00 0.00 0.00 0.00 22:40:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 22:40:01 ens3 21.26 18.73 391.60 3.09 0.00 0.00 0.00 0.00 22:41:01 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 22:41:01 ens3 676.57 422.41 17361.82 44.05 0.00 0.00 0.00 0.00 22:42:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 22:42:01 ens3 53.21 75.77 58.10 14.74 0.00 0.00 0.00 0.00 22:43:01 lo 0.20 0.20 0.02 0.02 0.00 0.00 0.00 0.00 22:43:01 ens3 565.85 522.81 4064.08 76.10 0.00 0.00 0.00 0.00 22:44:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 22:44:01 ens3 17.05 15.05 12.12 7.81 0.00 0.00 0.00 0.00 Average: lo 0.68 0.68 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 287.86 211.58 3885.09 35.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-7889) 08/08/26 _x86_64_ (4 CPU) 22:37:51 LINUX RESTART (4 CPU) 22:38:01 CPU %user %nice %system %iowait %steal %idle 22:39:01 all 23.46 0.00 2.17 4.32 1.92 68.13 22:39:01 0 39.47 0.00 2.31 5.72 1.98 50.52 22:39:01 1 12.59 0.00 2.32 5.77 2.60 76.73 22:39:01 2 27.02 0.00 2.73 1.90 2.00 66.36 22:39:01 3 14.89 0.00 1.36 3.87 1.08 78.79 22:40:01 all 20.59 0.00 1.31 1.55 1.15 75.40 22:40:01 0 11.67 0.00 0.98 3.97 0.86 82.51 22:40:01 1 25.84 0.00 0.91 0.15 1.62 71.48 22:40:01 2 27.95 0.00 2.12 1.98 1.15 66.79 22:40:01 3 16.90 0.00 1.25 0.10 0.98 80.77 22:41:01 all 18.35 0.00 1.89 2.05 1.30 76.42 22:41:01 0 13.83 0.00 0.75 0.23 0.98 84.21 22:41:01 1 26.41 0.00 1.80 1.65 1.44 68.70 22:41:01 2 15.76 0.00 2.10 2.64 1.38 78.13 22:41:01 3 17.42 0.00 2.88 3.68 1.42 74.60 22:42:01 all 5.66 0.00 0.39 0.03 0.36 93.56 22:42:01 0 4.27 0.00 0.15 0.00 0.32 95.26 22:42:01 1 7.44 0.00 0.20 0.00 0.45 91.91 22:42:01 2 7.29 0.00 0.79 0.07 0.50 91.36 22:42:01 3 3.67 0.00 0.43 0.02 0.13 95.75 22:43:01 all 15.25 0.00 1.45 0.27 0.96 82.06 22:43:01 0 13.98 0.00 1.84 0.35 0.76 83.06 22:43:01 1 16.20 0.00 1.13 0.05 0.95 81.67 22:43:01 2 13.94 0.00 2.46 0.50 1.12 81.98 22:43:01 3 16.87 0.00 0.35 0.22 1.03 81.54 22:44:01 all 21.44 0.00 1.21 0.75 1.06 75.54 22:44:01 0 12.44 0.00 0.96 0.81 1.06 84.73 22:44:01 1 38.55 0.00 1.86 0.38 1.48 57.72 22:44:01 2 16.71 0.00 1.03 1.80 0.82 79.64 22:44:01 3 18.08 0.00 0.97 0.02 0.87 80.07 Average: all 17.47 0.00 1.40 1.50 1.12 78.50 Average: 0 15.95 0.00 1.17 1.85 0.99 80.04 Average: 1 21.17 0.00 1.37 1.34 1.43 74.68 Average: 2 18.12 0.00 1.87 1.48 1.16 77.37 Average: 3 14.64 0.00 1.21 1.32 0.92 81.92