---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-384097 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 600 10650 4 4738 15046 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:e2:6c:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84744sec preferred_lft 84744sec inet6 fe80::f816:3eff:fee2:6ce5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:26:04:97:8c:21 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-384097) 03/10/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:18 3.71 0.11 3.42 0.18 8.61 525.54 212.37 00:50:07 16.02 0.53 14.36 1.13 19.26 2103.08 8427.34 Average: 9.80 0.32 8.83 0.65 13.88 1305.99 4276.55 00:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:18 10911324 13841104 2122588 12.96 113252 2982772 2411928 13.84 500448 4620184 9580 00:50:07 9132608 12768192 3190992 19.49 135984 3627472 3340792 19.18 716464 6146460 270872 Average: 10021966 13304648 2656790 16.23 124618 3305122 2876360 16.51 608456 5383322 140226 00:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:18 lo 0.59 0.59 0.38 0.38 0.00 0.00 0.00 0.00 00:40:18 ens3 9.98 8.73 36.43 2.17 0.00 0.00 0.00 0.00 00:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:07 lo 425.08 425.08 405.07 405.07 0.00 0.00 0.00 0.00 00:50:07 ens3 39.31 29.43 416.52 4.76 0.00 0.00 0.00 0.00 00:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 210.60 210.60 200.59 200.59 0.00 0.00 0.00 0.00 Average: ens3 24.49 18.97 224.47 3.45 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-384097) 03/10/26 _x86_64_ (4 CPU) 00:25:26 LINUX RESTART (4 CPU) 00:30:16 CPU %user %nice %system %iowait %steal %idle 00:40:18 all 48.59 0.00 0.65 0.02 0.07 50.66 00:40:18 0 42.62 0.00 0.64 0.03 0.07 56.64 00:40:18 1 59.19 0.00 0.76 0.02 0.08 39.96 00:40:18 2 42.19 0.00 0.60 0.02 0.07 57.11 00:40:18 3 50.37 0.00 0.61 0.00 0.07 48.94 00:50:07 all 60.58 0.00 1.12 0.04 0.09 38.17 00:50:07 0 84.55 0.00 1.11 0.03 0.10 14.22 00:50:07 1 54.10 0.00 1.49 0.04 0.08 44.29 00:50:07 2 52.51 0.00 1.03 0.04 0.08 46.34 00:50:07 3 51.18 0.00 0.87 0.06 0.09 47.80 Average: all 54.52 0.00 0.89 0.03 0.08 44.48 Average: 0 63.35 0.00 0.87 0.03 0.08 35.66 Average: 1 56.67 0.00 1.12 0.03 0.08 42.10 Average: 2 47.30 0.00 0.81 0.03 0.08 51.78 Average: 3 50.77 0.00 0.74 0.03 0.08 48.38