---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-263911 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 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 611 10654 4 4723 15035 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:17:e3:23 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84819sec preferred_lft 84819sec inet6 fe80::f816:3eff:fe17:e323/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:6b:ab:57:72: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-263911) 03/08/26 _x86_64_ (4 CPU) 13:26:21 LINUX RESTART (4 CPU) 13:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:40:14 3.93 0.11 3.66 0.16 10.01 631.39 447.17 13:50:02 12.65 0.53 11.33 0.79 19.48 1989.48 2705.28 Average: 8.25 0.32 7.45 0.47 14.70 1303.29 1564.34 13:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:40:14 8552348 11457308 4506292 27.52 111804 2961316 4707388 27.02 489388 6999516 1440 13:50:02 9214976 12840384 3119140 19.05 130436 3624144 3285984 18.86 698888 6082904 272168 Average: 8883662 12148846 3812716 23.29 121120 3292730 3996686 22.94 594138 6541210 136804 13:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:40:14 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 13:40:14 ens3 9.15 7.62 34.86 2.41 0.00 0.00 0.00 0.00 13:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 266.48 266.48 253.51 253.51 0.00 0.00 0.00 0.00 13:50:02 ens3 35.32 25.93 417.17 3.59 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 132.14 132.14 125.61 125.61 0.00 0.00 0.00 0.00 Average: ens3 22.10 16.68 224.00 2.99 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-263911) 03/08/26 _x86_64_ (4 CPU) 13:26:21 LINUX RESTART (4 CPU) 13:30:13 CPU %user %nice %system %iowait %steal %idle 13:40:14 all 47.94 0.00 0.63 0.02 0.08 51.34 13:40:14 0 42.95 0.00 0.60 0.01 0.08 56.36 13:40:14 1 45.16 0.00 0.60 0.02 0.07 54.14 13:40:14 2 59.93 0.00 0.66 0.01 0.08 39.32 13:40:14 3 43.70 0.00 0.66 0.03 0.07 55.55 13:50:02 all 57.05 0.00 1.01 0.04 0.08 41.83 13:50:02 0 51.81 0.00 0.87 0.01 0.07 47.23 13:50:02 1 47.45 0.00 1.05 0.04 0.07 51.40 13:50:02 2 84.14 0.00 1.16 0.06 0.08 14.56 13:50:02 3 44.83 0.00 0.96 0.04 0.08 54.09 Average: all 52.44 0.00 0.82 0.03 0.08 46.64 Average: 0 47.33 0.00 0.73 0.01 0.07 51.85 Average: 1 46.29 0.00 0.82 0.03 0.07 52.79 Average: 2 71.89 0.00 0.91 0.04 0.08 27.08 Average: 3 44.26 0.00 0.81 0.03 0.07 54.82