---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1231 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 718 10183 4 5086 14927 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:e5:6a:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.28/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84090sec preferred_lft 84090sec inet6 fe80::f816:3eff:fee5:6ad3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:b9:15:a1:88:31 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-1231) 08/01/26 _x86_64_ (4 CPU) 16:30:45 LINUX RESTART (4 CPU) 16:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:50:02 11.43 1.92 8.96 0.55 123.84 2378.59 1457.27 17:00:12 19.93 0.76 17.26 1.91 27.45 3100.46 3112.97 Average: 15.71 1.33 13.14 1.24 75.29 2742.16 2291.17 16:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:50:02 9453140 12955960 3002580 18.34 133240 3481244 3349328 19.23 593916 5933696 26704 17:00:12 8738756 13223296 2727024 16.66 170352 4345260 3037024 17.43 824592 6315516 105456 Average: 9095948 13089628 2864802 17.50 151796 3913252 3193176 18.33 709254 6124606 66080 16:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:50:02 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 16:50:02 ens3 88.68 69.20 693.72 13.44 0.00 0.00 0.00 0.00 16:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:12 lo 760.15 760.15 723.85 723.85 0.00 0.00 0.00 0.00 17:00:12 ens3 80.11 58.58 323.51 16.70 0.00 0.00 0.00 0.00 17:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 383.23 383.23 364.61 364.61 0.00 0.00 0.00 0.00 Average: ens3 84.36 63.85 507.26 15.08 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-1231) 08/01/26 _x86_64_ (4 CPU) 16:30:45 LINUX RESTART (4 CPU) 16:40:01 CPU %user %nice %system %iowait %steal %idle 16:50:02 all 41.65 0.00 1.42 0.04 0.06 56.83 16:50:02 0 41.18 0.00 1.20 0.06 0.06 57.50 16:50:02 1 39.39 0.00 1.42 0.03 0.06 59.09 16:50:02 2 44.02 0.00 1.73 0.06 0.06 54.14 16:50:02 3 41.99 0.00 1.34 0.03 0.06 56.58 17:00:12 all 70.31 0.00 2.67 0.05 0.09 26.87 17:00:12 0 70.40 0.00 2.52 0.02 0.09 26.97 17:00:12 1 70.02 0.00 2.72 0.06 0.09 27.11 17:00:12 2 71.11 0.00 3.13 0.09 0.10 25.58 17:00:12 3 69.71 0.00 2.31 0.05 0.09 27.83 Average: all 56.08 0.00 2.05 0.05 0.08 41.75 Average: 0 55.89 0.00 1.87 0.04 0.07 42.13 Average: 1 54.82 0.00 2.08 0.04 0.08 42.98 Average: 2 57.65 0.00 2.44 0.07 0.08 39.76 Average: 3 55.95 0.00 1.83 0.04 0.08 42.11