---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1268 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 12G 66G 16% / 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 651 8821 4 6516 14995 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:b8:d5:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.65/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84473sec preferred_lft 84473sec inet6 fe80::f816:3eff:feb8:d590/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:5f:0e:9b:53:04 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-1268) 04/08/26 _x86_64_ (4 CPU) 14:14:28 LINUX RESTART (4 CPU) 14:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:30:06 21.41 0.06 18.95 2.39 6.48 2127.54 4544.37 14:40:06 28.71 0.04 25.86 2.81 0.75 4161.51 11305.65 Average: 25.05 0.05 22.39 2.60 3.62 3140.10 7910.31 14:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:30:06 9526016 13136252 2821660 17.23 142276 3583460 2863440 16.44 705932 5743876 19920 14:40:06 7345832 11922848 4030772 24.62 160196 4488484 3972104 22.80 977840 7605248 2264 Average: 8435924 12529550 3426216 20.93 151236 4035972 3417772 19.62 841886 6674562 11092 14:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:30:06 lo 1277.30 1277.30 1210.80 1210.80 0.00 0.00 0.00 0.00 14:30:06 ens3 22.68 20.47 19.95 7.24 0.00 0.00 0.00 0.00 14:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:06 lo 1253.74 1253.74 1187.08 1187.08 0.00 0.00 0.00 0.00 14:40:06 ens3 23.37 20.48 43.35 6.56 0.00 0.00 0.00 0.00 14:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1265.57 1265.57 1198.99 1198.99 0.00 0.00 0.00 0.00 Average: ens3 23.03 20.47 31.60 6.90 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-1268) 04/08/26 _x86_64_ (4 CPU) 14:14:28 LINUX RESTART (4 CPU) 14:20:00 CPU %user %nice %system %iowait %steal %idle 14:30:06 all 67.52 0.00 2.19 0.04 0.10 30.16 14:30:06 0 68.19 0.00 2.06 0.02 0.09 29.64 14:30:06 1 66.78 0.00 2.56 0.03 0.10 30.52 14:30:06 2 65.42 0.00 1.89 0.05 0.10 32.54 14:30:06 3 69.68 0.00 2.25 0.05 0.10 27.92 14:40:06 all 54.61 0.00 2.21 0.09 0.09 43.00 14:40:06 0 53.90 0.00 2.23 0.10 0.09 43.68 14:40:06 1 54.18 0.00 2.15 0.07 0.10 43.51 14:40:06 2 55.50 0.00 2.18 0.10 0.09 42.12 14:40:06 3 54.89 0.00 2.25 0.07 0.09 42.70 Average: all 61.10 0.00 2.20 0.06 0.10 36.55 Average: 0 61.08 0.00 2.15 0.06 0.09 36.62 Average: 1 60.51 0.00 2.36 0.05 0.10 36.99 Average: 2 60.48 0.00 2.04 0.08 0.10 37.30 Average: 3 62.32 0.00 2.25 0.06 0.10 35.28