---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1852 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 643 10436 4 4909 15003 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:d3:be:96 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84690sec preferred_lft 84690sec inet6 fe80::f816:3eff:fed3:be96/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:c1:34:e0:64:04 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-1852) 04/11/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:08 6.08 0.16 5.50 0.42 10.93 777.55 556.28 00:50:22 14.04 0.51 12.62 0.91 18.60 1987.33 2746.87 Average: 10.14 0.34 9.13 0.67 14.84 1394.61 1673.62 00:30:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:08 7851316 10942260 5019788 30.66 116004 3137504 5153032 29.58 530260 7646344 536 00:50:22 8855296 12675680 3281984 20.05 138344 3804284 3399084 19.51 752640 6375740 275388 Average: 8353306 11808970 4150886 25.35 127174 3470894 4276058 24.54 641450 7011042 137962 00:30:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:08 lo 0.62 0.62 0.39 0.39 0.00 0.00 0.00 0.00 00:40:08 ens3 16.57 10.69 120.89 2.91 0.00 0.00 0.00 0.00 00:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:22 lo 276.06 276.06 262.91 262.91 0.00 0.00 0.00 0.00 00:50:22 ens3 42.03 27.64 401.94 4.76 0.00 0.00 0.00 0.00 00:50:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 141.11 141.11 134.29 134.29 0.00 0.00 0.00 0.00 Average: ens3 29.56 19.34 264.25 3.86 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-1852) 04/11/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:19 CPU %user %nice %system %iowait %steal %idle 00:40:08 all 47.71 0.00 0.73 0.04 0.08 51.45 00:40:08 0 39.97 0.00 0.69 0.05 0.08 59.21 00:40:08 1 55.23 0.00 0.78 0.05 0.08 43.86 00:40:08 2 45.37 0.00 0.66 0.03 0.07 53.87 00:40:08 3 50.28 0.00 0.77 0.02 0.07 48.86 00:50:22 all 56.81 0.00 1.10 0.05 0.10 41.93 00:50:22 0 49.49 0.00 1.18 0.01 0.10 49.22 00:50:22 1 48.26 0.00 0.96 0.10 0.10 50.58 00:50:22 2 65.95 0.00 1.04 0.05 0.10 32.86 00:50:22 3 63.55 0.00 1.24 0.05 0.11 35.05 Average: all 52.35 0.00 0.92 0.05 0.09 46.60 Average: 0 44.82 0.00 0.94 0.03 0.09 54.12 Average: 1 51.68 0.00 0.88 0.07 0.09 47.28 Average: 2 55.86 0.00 0.85 0.04 0.09 43.16 Average: 3 57.05 0.00 1.01 0.04 0.09 41.81