---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7021 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 13G 66G 16% / 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 669 8706 4 6612 14976 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:25:95:36 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83682sec preferred_lft 83682sec inet6 fe80::f816:3eff:fe25:9536/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:ca:28:28:02:54 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-7021) 04/23/26 _x86_64_ (4 CPU) 09:54:45 LINUX RESTART (4 CPU) 10:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 26.19 3.04 20.85 2.30 165.63 3581.50 4471.79 10:20:03 25.71 0.01 22.80 2.90 0.16 2052.23 6520.54 10:30:03 22.01 0.03 20.00 1.98 0.71 3909.75 4628.24 Average: 24.62 1.01 21.22 2.39 54.37 3175.42 5216.05 10:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 10105028 13488024 2471672 15.10 136012 3380144 2760128 15.84 635588 5256560 27008 10:20:03 9070388 12826176 3130564 19.12 151508 3708120 3038016 17.44 742960 6153596 43544 10:30:03 6233796 10933720 5018972 30.65 169552 4594380 4792304 27.51 1022944 8643104 4280 Average: 8469737 12415973 3540403 21.62 152357 3894215 3530149 20.26 800497 6684420 24944 10:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 1243.12 1243.12 1178.84 1178.84 0.00 0.00 0.00 0.00 10:10:00 ens3 119.89 90.89 968.88 18.01 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 1351.52 1351.52 1287.64 1287.64 0.00 0.00 0.00 0.00 10:20:03 ens3 41.58 32.09 36.38 11.12 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:03 lo 721.22 721.22 724.40 724.40 0.00 0.00 0.00 0.00 10:30:03 ens3 33.24 27.51 25.69 9.39 0.00 0.00 0.00 0.00 10:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1104.43 1104.43 1062.94 1062.94 0.00 0.00 0.00 0.00 Average: ens3 64.35 49.75 337.25 12.79 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-7021) 04/23/26 _x86_64_ (4 CPU) 09:54:45 LINUX RESTART (4 CPU) 10:00:17 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 53.22 0.00 2.15 1.74 0.11 42.77 10:10:00 0 51.71 0.00 2.26 1.35 0.11 44.57 10:10:00 1 54.85 0.00 1.95 1.23 0.11 41.85 10:10:00 2 52.84 0.00 2.10 2.11 0.11 42.84 10:10:00 3 53.49 0.00 2.29 2.28 0.11 41.83 10:20:03 all 66.80 0.00 2.46 0.44 0.16 30.13 10:20:03 0 66.99 0.00 2.28 0.28 0.17 30.27 10:20:03 1 67.87 0.00 2.40 0.39 0.16 29.18 10:20:03 2 64.95 0.00 2.70 0.55 0.16 31.64 10:20:03 3 67.40 0.00 2.45 0.54 0.16 29.44 10:30:03 all 48.65 0.00 1.93 1.56 0.20 47.66 10:30:03 0 49.52 0.00 1.89 1.67 0.22 46.70 10:30:03 1 49.19 0.00 2.15 3.00 0.18 45.49 10:30:03 2 47.22 0.00 1.91 1.04 0.14 49.69 10:30:03 3 48.65 0.00 1.79 0.53 0.28 48.75 Average: all 56.27 0.00 2.18 1.24 0.16 40.14 Average: 0 56.13 0.00 2.14 1.10 0.17 40.46 Average: 1 57.35 0.00 2.17 1.54 0.15 38.79 Average: 2 55.04 0.00 2.24 1.22 0.14 41.36 Average: 3 56.56 0.00 2.17 1.10 0.19 39.97