---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-8845 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 8 Stepping: 0 BogoMIPS: 5599.99 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 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 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 902 24954 4 6235 30721 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 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:39:56:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84396sec preferred_lft 84396sec inet6 fe80::f816:3eff:fe39:56ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:18:ba:87:77:81 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-8845) 04/28/26 _x86_64_ (8 CPU) 00:18:44 LINUX RESTART (8 CPU) 00:20:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:10 46.95 3.46 26.39 17.11 175.02 5600.71 520484.67 00:40:18 38.16 0.12 33.10 4.95 5.14 2627.51 21404.47 00:50:18 31.35 0.01 27.52 3.82 0.07 2940.43 16305.20 Average: 38.79 1.18 29.03 8.58 59.40 3710.93 184073.04 00:20:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:10 26035840 29460448 2850740 8.67 153548 3509012 2875828 8.48 686332 5714992 9340 00:40:18 24926940 28876244 3430520 10.44 193560 3948152 3416796 10.08 815128 6636996 119640 00:50:18 24521296 28979616 3323372 10.11 215652 4396708 3646980 10.75 956372 6865628 109384 Average: 25161359 29105436 3201544 9.74 187587 3951291 3313201 9.77 819277 6405872 79455 00:20:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:10 lo 840.31 840.31 798.80 798.80 0.00 0.00 0.00 0.00 00:30:10 ens3 93.65 74.84 878.77 14.30 0.00 0.00 0.00 0.00 00:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:18 lo 2280.40 2280.40 2173.29 2173.29 0.00 0.00 0.00 0.00 00:40:18 ens3 22.36 17.93 8.85 6.07 0.00 0.00 0.00 0.00 00:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:18 lo 1553.18 1553.18 1478.64 1478.64 0.00 0.00 0.00 0.00 00:50:18 ens3 30.36 22.60 10.74 7.95 0.00 0.00 0.00 0.00 00:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1563.89 1563.89 1489.24 1489.24 0.00 0.00 0.00 0.00 Average: ens3 48.50 38.23 295.98 9.41 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-8845) 04/28/26 _x86_64_ (8 CPU) 00:18:44 LINUX RESTART (8 CPU) 00:20:17 CPU %user %nice %system %iowait %steal %idle 00:30:10 all 39.21 0.00 1.54 0.18 0.08 58.99 00:30:10 0 37.41 0.00 1.27 0.24 0.07 61.01 00:30:10 1 41.04 0.00 1.42 0.29 0.08 57.18 00:30:10 2 38.82 0.00 1.59 0.18 0.08 59.33 00:30:10 3 41.97 0.00 1.73 0.09 0.08 56.13 00:30:10 4 41.51 0.00 1.75 0.27 0.08 56.40 00:30:10 5 37.81 0.00 1.82 0.20 0.07 60.09 00:30:10 6 38.73 0.00 1.60 0.09 0.08 59.50 00:30:10 7 36.40 0.00 1.15 0.07 0.07 62.31 00:40:18 all 38.48 0.00 1.81 0.14 0.07 59.49 00:40:18 0 39.18 0.00 1.47 0.05 0.07 59.23 00:40:18 1 39.40 0.00 1.85 0.15 0.07 58.54 00:40:18 2 38.51 0.00 2.13 0.46 0.07 58.82 00:40:18 3 40.58 0.00 1.79 0.07 0.08 57.47 00:40:18 4 38.11 0.00 2.10 0.05 0.07 59.68 00:40:18 5 37.56 0.00 1.82 0.09 0.07 60.46 00:40:18 6 36.27 0.00 1.68 0.20 0.07 61.78 00:40:18 7 38.23 0.00 1.66 0.07 0.07 59.97 00:50:18 all 36.93 0.00 1.71 0.24 0.08 61.04 00:50:18 0 32.27 0.00 1.41 0.14 0.08 66.11 00:50:18 1 42.46 0.00 2.01 0.12 0.08 55.33 00:50:18 2 39.96 0.00 1.64 0.15 0.08 58.17 00:50:18 3 42.97 0.00 1.66 0.22 0.07 55.07 00:50:18 4 37.44 0.00 1.66 0.14 0.08 60.68 00:50:18 5 34.00 0.00 1.78 0.07 0.08 64.08 00:50:18 6 29.97 0.00 1.61 0.68 0.07 67.67 00:50:18 7 36.37 0.00 1.94 0.38 0.08 61.23 Average: all 38.20 0.00 1.69 0.19 0.07 59.84 Average: 0 36.29 0.00 1.38 0.14 0.07 62.11 Average: 1 40.96 0.00 1.76 0.18 0.08 57.02 Average: 2 39.10 0.00 1.79 0.27 0.08 58.77 Average: 3 41.84 0.00 1.73 0.13 0.08 56.23 Average: 4 39.00 0.00 1.84 0.15 0.08 58.93 Average: 5 36.46 0.00 1.80 0.12 0.07 61.54 Average: 6 34.98 0.00 1.63 0.32 0.07 62.99 Average: 7 37.01 0.00 1.59 0.17 0.07 61.16