---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27448 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 698 10434 4 4856 14948 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:23:f2:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84425sec preferred_lft 84425sec inet6 fe80::f816:3eff:fe23:f25b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:de:51:cc:a6:3f 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-27448) 03/04/26 _x86_64_ (4 CPU) 11:40:44 LINUX RESTART (4 CPU) 11:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:22 10.96 0.45 9.53 0.97 15.84 2336.41 253.55 12:10:09 27.88 0.70 23.00 4.18 25.39 3868.40 11313.53 Average: 19.22 0.57 16.11 2.54 20.50 3084.52 5654.43 11:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:22 9826596 13482000 2474980 15.12 148284 3602880 2598312 14.91 712576 5413052 24692 12:10:09 10744068 15355572 594888 3.63 171712 4472480 1111188 6.38 967200 4171836 52 Average: 10285332 14418786 1534934 9.37 159998 4037680 1854750 10.65 839888 4792444 12372 11:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:22 lo 1.33 1.33 0.14 0.14 0.00 0.00 0.00 0.00 12:00:22 ens3 65.27 52.67 137.35 17.18 0.00 0.00 0.00 0.00 12:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:09 lo 1641.08 1641.08 1557.05 1557.05 0.00 0.00 0.00 0.00 12:10:09 ens3 98.14 85.41 412.93 119.25 0.00 0.00 0.00 0.00 12:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 802.07 802.07 760.42 760.42 0.00 0.00 0.00 0.00 Average: ens3 81.32 68.66 271.92 67.02 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-27448) 03/04/26 _x86_64_ (4 CPU) 11:40:44 LINUX RESTART (4 CPU) 11:50:07 CPU %user %nice %system %iowait %steal %idle 12:00:22 all 72.38 0.00 2.31 0.08 0.17 25.06 12:00:22 0 75.18 0.00 2.22 0.06 0.17 22.37 12:00:22 1 70.90 0.00 2.48 0.09 0.17 26.35 12:00:22 2 72.24 0.00 2.18 0.09 0.17 25.32 12:00:22 3 71.18 0.00 2.37 0.09 0.17 26.18 12:10:09 all 51.02 0.00 2.37 1.29 0.11 45.21 12:10:09 0 45.16 0.00 2.45 1.38 0.10 50.91 12:10:09 1 52.46 0.00 2.37 1.25 0.11 43.81 12:10:09 2 51.88 0.00 2.18 0.68 0.12 45.14 12:10:09 3 54.63 0.00 2.46 1.84 0.12 40.95 Average: all 61.96 0.00 2.34 0.67 0.14 34.89 Average: 0 60.51 0.00 2.33 0.71 0.14 36.31 Average: 1 61.91 0.00 2.43 0.66 0.14 34.87 Average: 2 62.32 0.00 2.18 0.38 0.14 34.97 Average: 3 63.11 0.00 2.41 0.95 0.14 33.39