---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22262 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 627 10270 4 5091 15019 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:08:93:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84630sec preferred_lft 84630sec inet6 fe80::f816:3eff:fe08:9398/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:dd:77:30:a3:f4 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-22262) 03/24/26 _x86_64_ (4 CPU) 09:54:49 LINUX RESTART (4 CPU) 10:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:22 21.82 0.45 7.80 13.57 390.71 1168.40 241862.99 10:20:00 9.69 0.53 8.63 0.53 19.70 1599.89 778.28 Average: 15.93 0.49 8.20 7.24 210.46 1378.03 124735.48 10:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:22 8585236 11902520 4058564 24.79 119012 3359252 4306824 24.72 664592 6780516 476 10:20:00 9163060 13154000 2803108 17.12 136736 3978120 2980312 17.11 826524 5990884 265468 Average: 8874148 12528260 3430836 20.95 127874 3668686 3643568 20.91 745558 6385700 132972 10:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:22 lo 0.63 0.63 0.38 0.38 0.00 0.00 0.00 0.00 10:10:22 ens3 17.85 12.21 205.05 2.55 0.00 0.00 0.00 0.00 10:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 206.19 206.19 196.22 196.22 0.00 0.00 0.00 0.00 10:20:00 ens3 32.87 24.99 428.01 3.25 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 100.50 100.50 95.53 95.53 0.00 0.00 0.00 0.00 Average: ens3 25.14 18.42 313.37 2.89 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-22262) 03/24/26 _x86_64_ (4 CPU) 09:54:49 LINUX RESTART (4 CPU) 10:00:10 CPU %user %nice %system %iowait %steal %idle 10:10:22 all 48.38 0.00 0.98 1.63 0.11 48.90 10:10:22 0 49.98 0.00 1.01 1.09 0.11 47.82 10:10:22 1 55.60 0.00 1.14 1.12 0.12 42.02 10:10:22 2 39.17 0.00 0.87 3.28 0.10 56.57 10:10:22 3 48.78 0.00 0.88 1.04 0.11 49.19 10:20:00 all 48.40 0.00 0.97 0.12 0.10 50.41 10:20:00 0 54.80 0.00 1.12 0.21 0.11 43.77 10:20:00 1 29.67 0.00 0.91 0.10 0.09 69.22 10:20:00 2 58.84 0.00 0.83 0.10 0.12 40.12 10:20:00 3 50.27 0.00 1.03 0.07 0.10 48.53 Average: all 48.39 0.00 0.97 0.90 0.11 49.63 Average: 0 52.32 0.00 1.06 0.66 0.11 45.85 Average: 1 43.01 0.00 1.03 0.62 0.11 55.23 Average: 2 48.73 0.00 0.85 1.74 0.11 48.58 Average: 3 49.50 0.00 0.95 0.57 0.11 48.87