---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6618 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 469 5099 0 2406 7220 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:e6:15:4e brd ff:ff:ff:ff:ff:ff inet 10.32.7.231/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86021sec preferred_lft 86021sec inet6 fe80::f816:3eff:fee6:154e/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-6618) 07/25/26 _x86_64_ (4 CPU) 02:56:53 LINUX RESTART (4 CPU) 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:01 133.64 54.77 78.87 3592.73 39868.97 02:59:01 55.81 0.18 55.62 22.00 9675.72 03:00:01 56.33 12.35 43.99 244.05 9389.27 03:01:01 11.20 1.27 9.93 24.93 364.21 03:02:01 44.91 0.47 44.44 14.66 8712.95 03:03:01 27.78 0.67 27.11 76.39 4914.91 Average: 54.94 11.62 43.33 662.45 12154.26 02:57:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 6060984 7446688 2106436 25.79 35856 1530624 669776 7.27 550016 1394796 68228 02:59:01 5677060 7398496 2490360 30.49 56908 1826640 714196 7.75 614368 1676148 195100 03:00:01 5439020 7237788 2728400 33.41 59844 1898656 881620 9.57 779816 1743664 1500 03:01:01 5416196 7223272 2751224 33.69 61756 1903668 890204 9.66 796320 1747120 1196 03:02:01 5234160 7391376 2933260 35.91 66796 2241600 688644 7.47 646860 2064612 111324 03:03:01 5204420 7374248 2963000 36.28 69232 2251408 708444 7.69 671268 2069192 11488 Average: 5505307 7345311 2662113 32.59 58399 1942099 758814 8.23 676441 1782589 64806 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:58:01 lo 0.80 0.80 0.07 0.07 0.00 0.00 0.00 0.00 02:58:01 ens3 461.84 263.86 1159.29 68.33 0.00 0.00 0.00 0.00 02:59:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 02:59:01 ens3 63.72 55.82 677.70 5.86 0.00 0.00 0.00 0.00 03:00:01 lo 1.13 1.13 0.11 0.11 0.00 0.00 0.00 0.00 03:00:01 ens3 115.94 115.41 1311.79 23.48 0.00 0.00 0.00 0.00 03:01:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 03:01:01 ens3 63.81 86.54 73.08 17.91 0.00 0.00 0.00 0.00 03:02:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 03:02:01 ens3 571.55 524.05 4066.78 68.53 0.00 0.00 0.00 0.00 03:03:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 03:03:01 ens3 12.65 12.95 10.50 6.37 0.00 0.00 0.00 0.00 Average: lo 0.71 0.71 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 214.92 176.44 1216.53 31.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6618) 07/25/26 _x86_64_ (4 CPU) 02:56:53 LINUX RESTART (4 CPU) 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 20.59 0.00 2.43 4.65 1.28 71.05 02:58:01 0 12.48 0.00 1.60 2.38 0.88 82.67 02:58:01 1 25.55 0.00 4.46 5.92 1.30 62.76 02:58:01 2 14.52 0.00 1.73 8.38 1.40 73.96 02:58:01 3 29.84 0.00 1.93 1.97 1.53 64.73 02:59:01 all 20.12 0.00 1.27 1.81 0.73 76.08 02:59:01 0 8.22 0.00 0.47 0.08 0.38 90.85 02:59:01 1 37.53 0.00 1.99 0.38 1.03 59.07 02:59:01 2 22.65 0.00 1.35 0.73 0.80 74.47 02:59:01 3 12.10 0.00 1.25 6.02 0.68 79.95 03:00:01 all 15.49 0.00 0.94 1.21 1.57 80.79 03:00:01 0 18.54 0.00 0.98 0.57 1.75 78.15 03:00:01 1 15.46 0.00 1.52 2.53 1.38 79.11 03:00:01 2 18.98 0.00 0.73 1.40 1.50 77.39 03:00:01 3 8.99 0.00 0.55 0.35 1.65 88.47 03:01:01 all 5.17 0.00 0.44 0.09 0.50 93.80 03:01:01 0 5.20 0.00 0.50 0.20 0.43 93.67 03:01:01 1 6.34 0.00 0.56 0.10 0.46 92.54 03:01:01 2 6.73 0.00 0.37 0.07 0.43 92.40 03:01:01 3 2.38 0.00 0.33 0.02 0.67 96.60 03:02:01 all 17.93 0.00 1.65 0.51 1.02 78.90 03:02:01 0 18.71 0.00 1.18 1.38 1.10 77.63 03:02:01 1 11.54 0.00 1.32 0.00 0.72 86.43 03:02:01 2 17.92 0.00 1.64 0.50 0.99 78.95 03:02:01 3 23.58 0.00 2.47 0.12 1.28 72.56 03:03:01 all 20.49 0.00 0.90 1.05 0.81 76.76 03:03:01 0 0.88 0.00 0.48 3.25 0.17 95.22 03:03:01 1 39.31 0.00 1.35 0.13 0.87 58.34 03:03:01 2 39.45 0.00 1.36 0.32 0.91 57.95 03:03:01 3 2.47 0.00 0.40 0.51 1.27 95.35 Average: all 16.63 0.00 1.27 1.55 0.98 79.57 Average: 0 10.67 0.00 0.87 1.31 0.79 86.36 Average: 1 22.59 0.00 1.86 1.51 0.96 73.07 Average: 2 20.05 0.00 1.20 1.90 1.01 75.85 Average: 3 13.20 0.00 1.15 1.50 1.18 82.98