---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-6849 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 473 5131 0 2371 7219 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:47:89:32 brd ff:ff:ff:ff:ff:ff inet 10.32.6.223/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 85955sec preferred_lft 85955sec inet6 fe80::f816:3eff:fe47:8932/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6849) 10/18/25 _x86_64_ (4 CPU) 22:38:04 LINUX RESTART (4 CPU) 22:39:01 tps rtps wtps bread/s bwrtn/s 22:40:01 47.18 5.12 42.06 71.45 5603.47 22:41:01 81.46 29.57 51.88 1635.19 9747.95 22:42:01 14.28 0.17 14.11 2.40 2849.39 22:43:01 9.33 0.00 9.33 0.00 350.82 22:44:01 48.29 2.15 46.14 115.14 8924.87 22:45:01 22.37 0.70 21.67 77.83 4623.82 Average: 37.15 6.28 30.87 317.01 5350.19 22:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 5948656 7475316 2218756 27.17 49400 1650332 625620 6.79 529248 1511764 139636 22:41:01 5577924 7278632 2589488 31.71 57356 1807584 848192 9.20 739764 1654648 20120 22:42:01 5532352 7297516 2635060 32.26 59384 1868300 794076 8.62 722116 1714120 1808 22:43:01 5511632 7283628 2655780 32.52 61176 1872436 794076 8.62 737684 1717404 1452 22:44:01 5271544 7396160 2895868 35.46 65728 2213308 690124 7.49 660948 2020284 106468 22:45:01 5273164 7408500 2894248 35.44 67800 2221384 676980 7.35 654956 2023308 9368 Average: 5519212 7356625 2648200 32.42 60141 1938891 738178 8.01 674119 1773588 46475 22:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 lo 0.60 0.60 0.05 0.05 0.00 0.00 0.00 0.00 22:40:01 ens3 57.24 40.88 746.68 5.05 0.00 0.00 0.00 0.00 22:41:01 lo 1.27 1.27 0.12 0.12 0.00 0.00 0.00 0.00 22:41:01 ens3 67.11 46.18 327.35 14.10 0.00 0.00 0.00 0.00 22:42:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:42:01 ens3 87.32 95.30 1001.38 13.91 0.00 0.00 0.00 0.00 22:43:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 22:43:01 ens3 55.55 79.44 58.98 12.81 0.00 0.00 0.00 0.00 22:44:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 22:44:01 ens3 581.63 458.99 4083.87 74.55 0.00 0.00 0.00 0.00 22:45:01 lo 0.87 0.87 0.08 0.08 0.00 0.00 0.00 0.00 22:45:01 ens3 10.56 11.18 8.47 5.33 0.00 0.00 0.00 0.00 Average: lo 0.62 0.62 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 143.25 122.00 1037.85 20.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-6849) 10/18/25 _x86_64_ (4 CPU) 22:38:04 LINUX RESTART (4 CPU) 22:39:01 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 17.55 0.00 1.15 3.18 3.49 74.64 22:40:01 0 2.94 0.00 0.22 0.00 0.85 96.00 22:40:01 1 28.56 0.00 1.78 7.44 6.24 55.98 22:40:01 2 24.43 0.00 1.61 3.78 4.82 65.36 22:40:01 3 13.83 0.00 0.98 1.39 1.94 81.86 22:41:01 all 16.06 0.00 1.42 2.84 5.86 73.82 22:41:01 0 19.66 0.00 1.71 5.41 7.39 65.83 22:41:01 1 15.85 0.00 1.26 2.33 4.77 75.79 22:41:01 2 23.45 0.00 1.85 1.23 7.32 66.14 22:41:01 3 5.15 0.00 0.85 2.36 3.94 87.70 22:42:01 all 8.35 0.00 0.56 0.13 4.10 86.86 22:42:01 0 6.68 0.00 0.31 0.18 2.65 90.18 22:42:01 1 3.35 0.00 0.28 0.26 3.41 92.70 22:42:01 2 9.63 0.00 1.13 0.08 5.72 83.44 22:42:01 3 13.71 0.00 0.51 0.00 4.59 81.19 22:43:01 all 4.50 0.00 0.59 0.06 3.01 91.84 22:43:01 0 0.68 0.00 0.26 0.03 1.32 97.71 22:43:01 1 7.70 0.00 0.92 0.18 3.20 88.00 22:43:01 2 5.90 0.00 0.62 0.00 4.29 89.19 22:43:01 3 3.69 0.00 0.57 0.00 3.22 92.53 22:44:01 all 16.19 0.00 1.87 0.91 7.48 73.54 22:44:01 0 15.03 0.00 1.73 0.10 5.86 77.28 22:44:01 1 20.60 0.00 1.87 2.60 7.96 66.96 22:44:01 2 13.19 0.00 2.25 0.63 9.37 74.56 22:44:01 3 15.97 0.00 1.60 0.34 6.69 75.40 22:45:01 all 18.90 0.00 1.03 1.19 3.71 75.16 22:45:01 0 5.52 0.00 0.79 0.08 2.27 91.35 22:45:01 1 35.76 0.00 1.13 4.30 3.89 54.92 22:45:01 2 34.34 0.00 1.84 0.36 4.82 58.64 22:45:01 3 0.39 0.00 0.39 0.08 3.86 95.28 Average: all 13.59 0.00 1.10 1.38 4.61 79.31 Average: 0 8.47 0.00 0.84 0.98 3.41 86.30 Average: 1 18.61 0.00 1.20 2.86 4.92 72.41 Average: 2 18.45 0.00 1.55 1.01 6.06 72.92 Average: 3 8.76 0.00 0.81 0.69 4.04 85.69