---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12147 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 633 10564 4 4790 15012 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:dc:35:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84756sec preferred_lft 84756sec inet6 fe80::f816:3eff:fedc:35a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:64:44:cc:fb:3f 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-12147) 03/23/26 _x86_64_ (4 CPU) 07:44:26 LINUX RESTART (4 CPU) 07:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:18 4.03 0.07 3.79 0.17 7.09 630.50 28.63 08:10:12 17.68 0.51 15.84 1.33 18.97 2283.90 10347.75 Average: 10.83 0.29 9.79 0.75 13.01 1453.42 5164.61 07:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:18 9866436 12878692 3084688 18.84 113772 3060424 3364036 19.31 505016 5665728 1236 08:10:12 9171980 12873992 3084904 18.84 132752 3694928 3236788 18.58 710476 6105516 266044 Average: 9519208 12876342 3084796 18.84 123262 3377676 3300412 18.94 607746 5885622 133640 07:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:18 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 08:00:18 ens3 9.51 7.80 36.37 2.31 0.00 0.00 0.00 0.00 08:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:12 lo 483.59 483.59 460.73 460.73 0.00 0.00 0.00 0.00 08:10:12 ens3 36.08 26.28 411.76 3.61 0.00 0.00 0.00 0.00 08:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 241.00 241.00 229.50 229.50 0.00 0.00 0.00 0.00 Average: ens3 22.73 17.00 223.20 2.96 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-12147) 03/23/26 _x86_64_ (4 CPU) 07:44:26 LINUX RESTART (4 CPU) 07:50:18 CPU %user %nice %system %iowait %steal %idle 08:00:18 all 52.37 0.00 0.67 0.02 0.09 46.86 08:00:18 0 41.69 0.00 0.61 0.01 0.08 57.61 08:00:18 1 54.85 0.00 0.56 0.01 0.09 44.49 08:00:18 2 55.37 0.00 0.74 0.02 0.09 43.78 08:00:18 3 57.60 0.00 0.76 0.02 0.09 41.53 08:10:12 all 58.44 0.00 1.27 0.05 0.09 40.15 08:10:12 0 49.17 0.00 1.20 0.06 0.09 49.48 08:10:12 1 48.61 0.00 1.35 0.04 0.08 49.91 08:10:12 2 46.93 0.00 1.27 0.06 0.09 51.66 08:10:12 3 89.05 0.00 1.27 0.03 0.11 9.54 Average: all 55.39 0.00 0.97 0.03 0.09 43.52 Average: 0 45.41 0.00 0.90 0.04 0.09 53.57 Average: 1 51.75 0.00 0.96 0.03 0.09 47.18 Average: 2 51.17 0.00 1.00 0.04 0.09 47.70 Average: 3 73.25 0.00 1.02 0.03 0.10 25.61