---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1090 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: 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 643 10444 4 4901 15003 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:c3:78:af brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84705sec preferred_lft 84705sec inet6 fe80::f816:3eff:fec3:78af/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:8d:1d:02:2d:a8 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-1090) 04/08/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:31 6.07 0.15 5.49 0.43 10.32 832.59 324.53 00:50:18 13.05 0.53 11.70 0.82 19.47 1925.53 4252.00 Average: 9.44 0.34 8.48 0.62 14.73 1359.48 2217.89 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:31 10681684 13779020 2183060 13.33 116352 3142548 2411612 13.84 533440 4806632 11828 00:50:18 9078112 12888044 3069760 18.75 134940 3797328 3295092 18.91 735816 6176788 276060 Average: 9879898 13333532 2626410 16.04 125646 3469938 2853352 16.38 634628 5491710 143944 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:31 lo 0.59 0.59 0.36 0.36 0.00 0.00 0.00 0.00 00:40:31 ens3 14.62 10.02 113.06 2.47 0.00 0.00 0.00 0.00 00:40:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:18 lo 296.08 296.08 281.68 281.68 0.00 0.00 0.00 0.00 00:50:18 ens3 39.79 27.16 419.88 4.65 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 143.04 143.04 135.98 135.98 0.00 0.00 0.00 0.00 Average: ens3 26.76 18.28 260.97 3.52 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-1090) 04/08/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:31 all 46.99 0.00 0.75 0.03 0.07 52.15 00:40:31 0 58.60 0.00 0.73 0.00 0.08 40.58 00:40:31 1 45.31 0.00 0.61 0.05 0.07 53.95 00:40:31 2 41.81 0.00 0.92 0.04 0.07 57.17 00:40:31 3 42.26 0.00 0.75 0.05 0.07 56.88 00:50:18 all 60.13 0.00 1.07 0.03 0.08 38.69 00:50:18 0 50.95 0.00 1.00 0.02 0.08 47.95 00:50:18 1 50.57 0.00 0.96 0.02 0.07 48.37 00:50:18 2 62.33 0.00 1.02 0.04 0.07 36.53 00:50:18 3 76.62 0.00 1.31 0.05 0.09 21.93 Average: all 53.32 0.00 0.91 0.03 0.08 45.66 Average: 0 54.91 0.00 0.86 0.01 0.08 44.14 Average: 1 47.85 0.00 0.78 0.03 0.07 51.26 Average: 2 51.71 0.00 0.97 0.04 0.07 47.21 Average: 3 58.81 0.00 1.02 0.05 0.08 40.04