---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1209 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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: 5600.00 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 675 8570 4 6743 14971 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:a9:8e:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:fea9:8ee4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:e5:98:09:22:d2 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1209) 04/08/26 _x86_64_ (4 CPU) 08:04:48 LINUX RESTART (4 CPU) 08:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:01 24.87 0.24 22.01 2.63 210.86 2668.99 15536.98 08:30:01 28.45 0.04 25.63 2.79 0.80 4244.96 16130.36 Average: 26.66 0.14 23.82 2.71 105.83 3456.95 15833.66 08:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:01 8845700 12676628 3279228 20.03 146232 3795852 3263600 18.73 794124 6336784 14664 08:30:01 6788848 11599404 4352184 26.58 165300 4713452 4221872 24.23 1068260 8057568 148 Average: 7817274 12138016 3815706 23.30 155766 4254652 3742736 21.48 931192 7197176 7406 08:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:01 lo 1187.92 1187.92 1124.71 1124.71 0.00 0.00 0.00 0.00 08:20:01 ens3 28.08 22.85 78.98 7.11 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1172.96 1172.96 1110.79 1110.79 0.00 0.00 0.00 0.00 08:30:01 ens3 22.92 20.24 43.61 6.82 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1180.44 1180.44 1117.75 1117.75 0.00 0.00 0.00 0.00 Average: ens3 25.50 21.54 61.30 6.96 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-1209) 04/08/26 _x86_64_ (4 CPU) 08:04:48 LINUX RESTART (4 CPU) 08:10:01 CPU %user %nice %system %iowait %steal %idle 08:20:01 all 66.86 0.00 2.26 0.08 0.09 30.70 08:20:01 0 67.01 0.00 2.38 0.06 0.09 30.45 08:20:01 1 65.55 0.00 2.26 0.06 0.10 32.03 08:20:01 2 66.10 0.00 2.28 0.04 0.09 31.49 08:20:01 3 68.79 0.00 2.13 0.16 0.10 28.82 08:30:01 all 55.10 0.00 2.24 0.13 0.10 42.42 08:30:01 0 51.84 0.00 2.16 0.23 0.12 45.65 08:30:01 1 55.31 0.00 2.28 0.18 0.10 42.13 08:30:01 2 59.20 0.00 2.45 0.07 0.09 38.19 08:30:01 3 54.05 0.00 2.08 0.06 0.10 43.70 Average: all 60.98 0.00 2.25 0.11 0.10 36.56 Average: 0 59.43 0.00 2.27 0.15 0.11 38.05 Average: 1 60.43 0.00 2.27 0.12 0.10 37.09 Average: 2 62.65 0.00 2.36 0.06 0.09 34.84 Average: 3 61.42 0.00 2.11 0.11 0.10 36.27