---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1190 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 635 10555 4 4798 15011 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:81:e6:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84825sec preferred_lft 84825sec inet6 fe80::f816:3eff:fe81:e65c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:88:da:8d:15:16 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-1190) 04/08/26 _x86_64_ (4 CPU) 06:57:20 LINUX RESTART (4 CPU) 07:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:10 19.46 0.35 5.70 13.41 30.43 1586.32 239437.59 07:20:15 11.13 0.52 10.06 0.55 18.87 1697.72 1163.90 Average: 15.28 0.43 7.89 6.96 24.63 1642.23 119853.09 07:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:10 8966124 11941848 4022084 24.57 112300 3029192 4173324 23.95 496124 6558772 1780 07:20:15 9121472 12796992 3162876 19.32 130780 3671760 3341304 19.18 695872 6171228 271480 Average: 9043798 12369420 3592480 21.94 121540 3350476 3757314 21.57 595998 6365000 136630 07:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:10 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 07:10:10 ens3 13.82 12.76 109.51 2.98 0.00 0.00 0.00 0.00 07:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:15 lo 177.85 177.85 169.24 169.24 0.00 0.00 0.00 0.00 07:20:15 ens3 32.57 22.99 405.61 3.29 0.00 0.00 0.00 0.00 07:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 89.58 89.58 85.13 85.13 0.00 0.00 0.00 0.00 Average: ens3 23.23 17.89 258.12 3.14 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-1190) 04/08/26 _x86_64_ (4 CPU) 06:57:20 LINUX RESTART (4 CPU) 07:00:10 CPU %user %nice %system %iowait %steal %idle 07:10:10 all 49.46 0.00 0.75 0.05 0.08 49.66 07:10:10 0 63.72 0.00 1.05 0.03 0.09 35.11 07:10:10 1 47.81 0.00 0.77 0.02 0.08 51.32 07:10:10 2 41.57 0.00 0.52 0.10 0.08 57.73 07:10:10 3 44.74 0.00 0.66 0.05 0.08 54.47 07:20:15 all 50.54 0.00 0.91 0.04 0.09 48.42 07:20:15 0 54.02 0.00 0.85 0.05 0.10 44.98 07:20:15 1 54.65 0.00 0.84 0.02 0.09 44.40 07:20:15 2 57.91 0.00 0.98 0.01 0.08 41.01 07:20:15 3 35.62 0.00 0.95 0.09 0.08 63.25 Average: all 50.00 0.00 0.83 0.05 0.09 49.04 Average: 0 58.86 0.00 0.95 0.04 0.09 40.05 Average: 1 51.24 0.00 0.81 0.02 0.09 47.85 Average: 2 49.77 0.00 0.75 0.06 0.08 49.35 Average: 3 40.16 0.00 0.81 0.07 0.08 58.88