---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-128865 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 11G 68G 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 696 10588 4 4703 14949 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:a7:15:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84731sec preferred_lft 84731sec inet6 fe80::f816:3eff:fea7:1589/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:88:11:c4:a5:98 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-128865) 03/06/26 _x86_64_ (4 CPU) 14:39:53 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:28 51.59 10.56 39.89 1.13 1440.24 10449.00 1587.05 15:00:18 25.94 0.82 22.43 2.70 27.85 3563.80 9451.18 Average: 39.16 5.84 31.43 1.89 755.87 7112.77 5397.62 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:28 10910580 13953392 2008428 12.27 122768 3064352 2644152 15.18 525376 4578188 23768 15:00:18 9326708 13326840 2625880 16.04 171000 3888652 2765108 15.87 775028 5808500 6940 Average: 10118644 13640116 2317154 14.15 146884 3476502 2704630 15.52 650202 5193344 15354 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:28 lo 1.04 1.04 0.11 0.11 0.00 0.00 0.00 0.00 14:50:28 ens3 139.07 102.58 953.76 22.08 0.00 0.00 0.00 0.00 14:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:18 lo 1272.77 1272.77 1212.92 1212.92 0.00 0.00 0.00 0.00 15:00:18 ens3 89.90 67.17 377.32 18.41 0.00 0.00 0.00 0.00 15:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 617.26 617.26 587.78 587.78 0.00 0.00 0.00 0.00 Average: ens3 115.25 85.42 674.45 20.30 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-128865) 03/06/26 _x86_64_ (4 CPU) 14:39:53 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:28 all 42.08 0.00 1.68 1.02 0.08 55.13 14:50:28 0 41.77 0.00 1.97 1.66 0.08 54.53 14:50:28 1 43.17 0.00 1.70 1.08 0.08 53.97 14:50:28 2 42.04 0.00 1.57 0.61 0.07 55.71 14:50:28 3 41.35 0.00 1.50 0.74 0.07 56.33 15:00:18 all 71.36 0.00 2.67 0.10 0.12 25.74 15:00:18 0 71.71 0.00 2.18 0.09 0.12 25.91 15:00:18 1 69.50 0.00 2.83 0.07 0.11 27.48 15:00:18 2 71.11 0.00 2.77 0.12 0.12 25.87 15:00:18 3 73.14 0.00 2.90 0.13 0.11 23.71 Average: all 56.27 0.00 2.16 0.58 0.09 40.89 Average: 0 56.28 0.00 2.07 0.90 0.10 40.66 Average: 1 55.93 0.00 2.25 0.59 0.10 41.13 Average: 2 56.12 0.00 2.15 0.37 0.09 41.26 Average: 3 56.75 0.00 2.18 0.45 0.09 40.53