---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1804 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 463 5133 0 2379 7228 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:c5:c0:52 brd ff:ff:ff:ff:ff:ff inet 10.32.6.163/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86023sec preferred_lft 86023sec inet6 fe80::f816:3eff:fec5:c052/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1804) 12/27/25 _x86_64_ (4 CPU) 11:16:47 LINUX RESTART (4 CPU) 11:17:01 tps rtps wtps bread/s bwrtn/s 11:18:01 116.64 54.13 62.51 3571.61 5674.24 11:19:01 80.27 29.66 50.61 1641.99 8979.57 11:20:01 31.76 0.17 31.59 2.40 6111.30 11:21:01 9.52 0.00 9.52 0.00 380.07 11:22:01 57.04 2.72 54.32 189.84 12329.81 11:23:01 19.63 0.98 18.65 35.33 1356.04 Average: 52.48 14.61 37.87 906.91 5805.18 11:17:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:18:01 5944312 7381140 2223108 27.22 38396 1577464 735140 7.98 622712 1434232 88732 11:19:01 5606164 7303708 2561256 31.36 57104 1804192 839464 9.11 711840 1652188 104840 11:20:01 5549676 7321892 2617744 32.05 59428 1874636 778324 8.45 696188 1721292 1856 11:21:01 5389792 7194784 2777628 34.01 61312 1904040 903980 9.81 824152 1749004 26272 11:22:01 5271288 7421044 2896132 35.46 66476 2236604 670936 7.28 637660 2040132 33248 11:23:01 5277672 7423316 2889748 35.38 68424 2229880 664884 7.21 649112 2022000 12308 Average: 5506484 7340981 2660936 32.58 58523 1937803 765455 8.31 690277 1769808 44543 11:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:18:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 11:18:01 ens3 433.92 242.84 1428.63 65.65 0.00 0.00 0.00 0.00 11:19:01 lo 1.47 1.47 0.14 0.14 0.00 0.00 0.00 0.00 11:19:01 ens3 74.30 51.82 430.96 14.28 0.00 0.00 0.00 0.00 11:20:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:20:01 ens3 100.78 110.41 1162.73 16.70 0.00 0.00 0.00 0.00 11:21:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 11:21:01 ens3 153.07 166.72 492.17 22.52 0.00 0.00 0.00 0.00 11:22:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 11:22:01 ens3 521.91 456.24 3645.27 59.67 0.00 0.00 0.00 0.00 11:23:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 11:23:01 ens3 9.05 10.65 6.64 5.99 0.00 0.00 0.00 0.00 Average: lo 0.69 0.69 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 215.51 173.11 1194.40 30.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1804) 12/27/25 _x86_64_ (4 CPU) 11:16:47 LINUX RESTART (4 CPU) 11:17:01 CPU %user %nice %system %iowait %steal %idle 11:18:01 all 22.68 0.00 1.63 3.88 2.17 69.65 11:18:01 0 20.58 0.00 1.64 6.05 1.61 70.11 11:18:01 1 25.97 0.00 2.04 2.26 2.19 67.55 11:18:01 2 13.77 0.00 1.07 1.45 2.55 81.16 11:18:01 3 30.46 0.00 1.76 5.78 2.30 59.70 11:19:01 all 21.74 0.00 1.34 2.39 1.97 72.56 11:19:01 0 17.50 0.00 0.86 1.16 1.38 79.10 11:19:01 1 18.58 0.00 1.24 2.25 2.00 75.92 11:19:01 2 44.58 0.00 2.65 0.93 2.77 49.06 11:19:01 3 6.38 0.00 0.64 5.16 1.75 86.08 11:20:01 all 9.36 0.00 0.46 0.46 1.57 88.15 11:20:01 0 8.38 0.00 0.40 0.27 1.18 89.78 11:20:01 1 11.39 0.00 0.69 1.45 1.92 84.55 11:20:01 2 10.29 0.00 0.38 0.05 1.59 87.69 11:20:01 3 7.39 0.00 0.38 0.08 1.59 90.56 11:21:01 all 5.74 0.00 0.44 0.04 1.44 92.33 11:21:01 0 5.74 0.00 0.61 0.00 1.40 92.25 11:21:01 1 4.87 0.00 0.12 0.00 1.20 93.82 11:21:01 2 7.03 0.00 0.43 0.13 1.44 90.97 11:21:01 3 5.32 0.00 0.59 0.02 1.72 92.35 11:22:01 all 20.48 0.00 1.61 1.27 2.65 73.99 11:22:01 0 15.47 0.00 0.61 0.07 1.71 82.15 11:22:01 1 29.78 0.00 2.00 1.74 2.84 63.64 11:22:01 2 15.36 0.00 1.90 2.99 2.84 76.91 11:22:01 3 21.30 0.00 1.91 0.30 3.20 73.29 11:23:01 all 20.73 0.00 0.86 0.86 1.38 76.16 11:23:01 0 5.42 0.00 0.61 0.03 1.21 92.73 11:23:01 1 14.66 0.00 0.63 0.25 1.08 83.38 11:23:01 2 24.79 0.00 1.16 2.66 1.26 70.12 11:23:01 3 38.11 0.00 1.06 0.53 1.97 58.33 Average: all 16.79 0.00 1.06 1.48 1.86 78.81 Average: 0 12.17 0.00 0.79 1.26 1.41 84.37 Average: 1 17.55 0.00 1.12 1.33 1.87 78.13 Average: 2 19.29 0.00 1.27 1.37 2.08 76.00 Average: 3 18.15 0.00 1.06 1.98 2.09 76.73