---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1278 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 468 5127 0 2379 7224 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:66:e7:55 brd ff:ff:ff:ff:ff:ff inet 10.32.6.20/23 brd 10.32.7.255 scope global dynamic ens3 valid_lft 86014sec preferred_lft 86014sec inet6 fe80::f816:3eff:fe66:e755/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1278) 12/20/25 _x86_64_ (4 CPU) 15:07:53 LINUX RESTART (4 CPU) 15:08:01 tps rtps wtps bread/s bwrtn/s 15:09:02 139.70 54.58 85.12 3577.61 40501.05 15:10:01 72.86 20.54 52.32 1366.59 9025.28 15:11:01 42.53 9.70 32.83 315.44 6673.20 15:12:01 9.77 0.00 9.77 0.00 362.34 15:13:01 51.37 2.20 49.18 115.58 9039.96 15:14:01 23.06 0.70 22.36 77.84 4680.17 Average: 56.50 14.60 41.90 907.60 11721.40 15:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:09:02 5966784 7388856 2200636 26.94 36924 1564864 732108 7.94 607420 1426932 86208 15:10:01 5722844 7411328 2444576 29.93 56972 1795304 818904 8.89 600772 1646044 121348 15:11:01 5543084 7314772 2624336 32.13 59060 1874668 797716 8.66 702180 1721208 2016 15:12:01 5525588 7304732 2641832 32.35 60968 1879292 797716 8.66 714052 1724864 1720 15:13:01 5243772 7381112 2923648 35.80 65948 2225212 703500 7.63 674780 2031696 109676 15:14:01 5251844 7395616 2915576 35.70 68256 2228952 695752 7.55 667192 2030808 9152 Average: 5542319 7366069 2625101 32.14 58021 1928049 757616 8.22 661066 1763592 55020 15:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:09:02 ens3 419.78 218.13 1427.07 66.09 0.00 0.00 0.00 0.00 15:09:02 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:10:01 ens3 83.67 47.19 432.71 11.99 0.00 0.00 0.00 0.00 15:10:01 lo 1.36 1.36 0.13 0.13 0.00 0.00 0.00 0.00 15:11:01 ens3 93.00 102.38 1158.18 14.82 0.00 0.00 0.00 0.00 15:11:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 15:12:01 ens3 58.16 83.10 65.90 13.61 0.00 0.00 0.00 0.00 15:12:01 lo 0.47 0.47 0.04 0.04 0.00 0.00 0.00 0.00 15:13:01 ens3 681.25 571.44 4101.69 88.23 0.00 0.00 0.00 0.00 15:13:01 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 15:14:01 ens3 11.78 12.73 10.24 5.89 0.00 0.00 0.00 0.00 15:14:01 lo 0.93 0.93 0.08 0.08 0.00 0.00 0.00 0.00 Average: ens3 224.99 172.83 1201.38 33.50 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 ---> sar -P ALL: Linux 4.15.0-192-generic (prd-ubuntu1804-builder-4c-4g-1278) 12/20/25 _x86_64_ (4 CPU) 15:07:53 LINUX RESTART (4 CPU) 15:08:01 CPU %user %nice %system %iowait %steal %idle 15:09:02 all 21.21 0.00 2.03 4.77 2.54 69.45 15:09:02 0 38.17 0.00 1.81 4.50 2.79 52.74 15:09:02 1 11.58 0.00 2.24 3.60 2.58 80.01 15:09:02 2 18.20 0.00 2.22 7.52 2.60 69.47 15:09:02 3 17.02 0.00 1.81 3.44 2.16 75.57 15:10:01 all 20.93 0.00 1.51 2.27 1.80 73.48 15:10:01 0 23.37 0.00 2.07 5.07 1.82 67.67 15:10:01 1 39.87 0.00 1.96 0.49 2.16 55.52 15:10:01 2 6.41 0.00 1.03 2.31 1.68 88.57 15:10:01 3 14.11 0.00 1.01 1.23 1.55 82.10 15:11:01 all 11.65 0.00 0.66 0.58 2.34 84.77 15:11:01 0 8.77 0.00 0.60 0.10 2.21 88.32 15:11:01 1 8.43 0.00 0.91 0.88 2.36 87.42 15:11:01 2 14.19 0.00 0.83 1.29 2.90 80.79 15:11:01 3 15.19 0.00 0.32 0.05 1.86 82.59 15:12:01 all 3.71 0.00 0.31 0.04 1.15 94.80 15:12:01 0 1.38 0.00 0.18 0.00 0.48 97.96 15:12:01 1 6.61 0.00 0.68 0.00 1.89 90.82 15:12:01 2 2.92 0.00 0.22 0.17 1.31 95.38 15:12:01 3 3.92 0.00 0.17 0.00 0.91 95.00 15:13:01 all 18.68 0.00 1.47 0.71 2.72 76.42 15:13:01 0 30.46 0.00 1.82 0.33 3.36 64.03 15:13:01 1 19.16 0.00 1.73 0.27 2.54 76.31 15:13:01 2 14.37 0.00 1.44 1.98 3.13 79.08 15:13:01 3 10.69 0.00 0.88 0.23 1.87 86.33 15:14:01 all 20.70 0.00 0.93 0.81 1.15 76.40 15:14:01 0 41.67 0.00 1.28 0.33 1.70 55.02 15:14:01 1 11.87 0.00 1.08 0.33 0.75 85.96 15:14:01 2 15.05 0.00 0.71 2.53 1.18 80.53 15:14:01 3 14.30 0.00 0.68 0.05 0.98 84.00 Average: all 16.13 0.00 1.15 1.53 1.95 79.23 Average: 0 23.97 0.00 1.29 1.71 2.06 70.96 Average: 1 16.17 0.00 1.43 0.93 2.05 79.42 Average: 2 11.88 0.00 1.07 2.63 2.14 82.28 Average: 3 12.53 0.00 0.81 0.83 1.55 84.27