---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2347 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: 5599.94 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 653 10485 4 4850 14993 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:ba:f4:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.111/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84858sec preferred_lft 84858sec inet6 fe80::f816:3eff:feba:f4b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:37:e3:c7:05:cf 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-2347) 04/13/26 _x86_64_ (4 CPU) 00:16:11 LINUX RESTART (4 CPU) 00:20:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:00 16.78 2.59 13.03 1.15 353.61 3613.41 2747.21 00:40:02 29.05 0.79 24.37 3.89 27.24 4174.50 4306.04 Average: 22.99 1.68 18.77 2.54 188.43 3897.39 3536.15 00:20:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:00 10266904 13822396 2135364 13.04 143668 3518884 2754864 15.81 679768 5020940 46528 00:40:02 10782128 15389448 560964 3.43 175192 4469164 1127456 6.47 958848 4136196 332 Average: 10524516 14605922 1348164 8.23 159430 3994024 1941160 11.14 819308 4578568 23430 00:20:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:00 lo 1.43 1.43 0.15 0.15 0.00 0.00 0.00 0.00 00:30:00 ens3 87.27 71.61 669.49 16.00 0.00 0.00 0.00 0.00 00:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:02 lo 1658.09 1658.09 1573.12 1573.12 0.00 0.00 0.00 0.00 00:40:02 ens3 88.88 80.36 408.81 105.56 0.00 0.00 0.00 0.00 00:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 839.88 839.88 796.25 796.25 0.00 0.00 0.00 0.00 Average: ens3 88.08 76.04 537.56 61.33 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-2347) 04/13/26 _x86_64_ (4 CPU) 00:16:11 LINUX RESTART (4 CPU) 00:20:12 CPU %user %nice %system %iowait %steal %idle 00:30:00 all 72.40 0.00 2.31 0.08 0.10 25.12 00:30:00 0 70.34 0.00 2.43 0.16 0.10 26.97 00:30:00 1 73.06 0.00 2.15 0.06 0.09 24.63 00:30:00 2 73.68 0.00 2.57 0.05 0.09 23.60 00:30:00 3 72.53 0.00 2.08 0.04 0.10 25.26 00:40:02 all 58.64 0.00 2.48 0.08 0.08 38.72 00:40:02 0 56.20 0.00 2.65 0.10 0.09 40.97 00:40:02 1 59.96 0.00 2.60 0.08 0.08 37.27 00:40:02 2 63.19 0.00 2.51 0.07 0.09 34.15 00:40:02 3 55.22 0.00 2.14 0.07 0.08 42.50 Average: all 65.44 0.00 2.39 0.08 0.09 32.00 Average: 0 63.18 0.00 2.54 0.13 0.09 34.05 Average: 1 66.43 0.00 2.38 0.07 0.09 31.03 Average: 2 68.38 0.00 2.54 0.06 0.09 28.94 Average: 3 63.77 0.00 2.11 0.05 0.09 33.97