---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-909 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 685 10264 4 5039 14961 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:97:77:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84242sec preferred_lft 84242sec inet6 fe80::f816:3eff:fe97:77ba/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:09:07:bd:d0:ee 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-4c-4g-909) 07/31/26 _x86_64_ (4 CPU) 14:37:29 LINUX RESTART (4 CPU) 14:40:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:17 24.45 2.11 8.71 13.63 149.09 2059.90 262192.80 15:00:01 11.17 0.44 9.64 1.09 16.87 2273.41 2576.76 15:10:17 31.68 0.62 26.84 4.23 24.44 3907.64 3022.73 Average: 22.62 1.06 15.21 6.35 63.59 2760.80 89385.63 14:40:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:17 11398488 14537936 1424028 8.70 119720 3177604 1879556 10.79 491904 4144592 33768 15:00:01 9491704 13278016 2677772 16.35 149404 3727996 2991464 17.17 656696 5796628 25560 15:10:17 10565800 15365848 582996 3.56 176796 4647788 1119504 6.43 923540 4375048 40 Average: 10485331 14393933 1561599 9.54 148640 3851129 1996841 11.46 690713 4772089 19789 14:40:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:17 lo 0.29 0.29 0.03 0.03 0.00 0.00 0.00 0.00 14:50:17 ens3 84.22 62.15 1045.86 8.58 0.00 0.00 0.00 0.00 14:50:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:00:01 ens3 69.78 54.21 100.12 17.56 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:17 lo 1735.21 1735.21 1646.67 1646.67 0.00 0.00 0.00 0.00 15:10:17 ens3 97.93 81.52 404.25 98.80 0.00 0.00 0.00 0.00 15:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 593.73 593.73 562.96 562.96 0.00 0.00 0.00 0.00 Average: ens3 84.22 66.20 519.76 42.34 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-4c-4g-909) 07/31/26 _x86_64_ (4 CPU) 14:37:29 LINUX RESTART (4 CPU) 14:40:16 CPU %user %nice %system %iowait %steal %idle 14:50:17 all 10.55 0.00 0.53 0.11 0.03 88.77 14:50:17 0 9.77 0.00 0.49 0.21 0.03 89.50 14:50:17 1 10.86 0.00 0.54 0.09 0.03 88.48 14:50:17 2 10.68 0.00 0.68 0.08 0.04 88.52 14:50:17 3 10.88 0.00 0.42 0.07 0.03 88.59 15:00:01 all 71.28 0.00 2.16 0.73 0.11 25.72 15:00:01 0 69.49 0.00 2.30 0.93 0.11 27.17 15:00:01 1 69.84 0.00 2.01 1.60 0.11 26.43 15:00:01 2 71.83 0.00 1.88 0.15 0.11 26.03 15:00:01 3 73.97 0.00 2.45 0.23 0.12 23.24 15:10:17 all 51.60 0.00 2.31 0.26 0.10 45.73 15:10:17 0 51.81 0.00 2.21 0.29 0.10 45.59 15:10:17 1 52.68 0.00 2.41 0.22 0.11 44.59 15:10:17 2 49.39 0.00 2.53 0.27 0.10 47.71 15:10:17 3 52.51 0.00 2.08 0.28 0.10 45.03 Average: all 44.26 0.00 1.67 0.36 0.08 53.63 Average: 0 43.50 0.00 1.66 0.47 0.08 54.28 Average: 1 44.27 0.00 1.66 0.62 0.08 53.37 Average: 2 43.70 0.00 1.70 0.17 0.08 54.35 Average: 3 45.55 0.00 1.65 0.19 0.08 52.53