---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8078 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 675 10459 4 4854 14971 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:71:2d:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84518sec preferred_lft 84518sec inet6 fe80::f816:3eff:fe71:2d90/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:07:e0:2b:ee:f1 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-8078) 03/22/26 _x86_64_ (4 CPU) 08:54:49 LINUX RESTART (4 CPU) 09:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:03 16.38 2.27 12.98 1.13 137.16 2944.70 286.88 09:20:03 25.70 0.51 21.23 3.97 16.05 3261.99 9736.74 Average: 21.03 1.39 17.09 2.55 76.76 3102.94 4999.91 09:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:03 10276136 13761284 2196612 13.42 141524 3456828 2407200 13.82 636848 5062392 30812 09:20:03 10809976 15409260 541576 3.31 173512 4458464 1044932 6.00 932864 4129200 312604 Average: 10543056 14585272 1369094 8.36 157518 3957646 1726066 9.91 784856 4595796 171708 09:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:03 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 09:10:03 ens3 89.89 72.51 474.76 19.86 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 1840.73 1840.73 1754.87 1754.87 0.00 0.00 0.00 0.00 09:20:03 ens3 67.63 48.71 403.16 13.59 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 918.74 918.74 875.30 875.30 0.00 0.00 0.00 0.00 Average: ens3 78.79 60.64 439.05 16.73 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-8078) 03/22/26 _x86_64_ (4 CPU) 08:54:49 LINUX RESTART (4 CPU) 09:00:00 CPU %user %nice %system %iowait %steal %idle 09:10:03 all 71.86 0.00 2.30 0.93 0.12 24.80 09:10:03 0 73.80 0.00 2.39 0.45 0.12 23.24 09:10:03 1 71.53 0.00 2.22 0.81 0.11 25.33 09:10:03 2 70.55 0.00 2.35 1.49 0.12 25.48 09:10:03 3 71.55 0.00 2.24 0.96 0.11 25.15 09:20:03 all 54.82 0.00 2.52 6.83 0.12 35.72 09:20:03 0 53.44 0.00 2.29 6.93 0.12 37.22 09:20:03 1 55.68 0.00 2.60 4.50 0.13 37.09 09:20:03 2 56.06 0.00 2.27 5.84 0.12 35.71 09:20:03 3 54.11 0.00 2.90 10.05 0.11 32.84 Average: all 63.37 0.00 2.41 3.87 0.12 30.23 Average: 0 63.65 0.00 2.34 3.68 0.12 30.21 Average: 1 63.64 0.00 2.41 2.65 0.12 31.18 Average: 2 63.34 0.00 2.31 3.66 0.12 30.58 Average: 3 62.87 0.00 2.57 5.48 0.11 28.97