---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-488734 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 635 10516 4 4838 15011 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:ed:bb:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84708sec preferred_lft 84708sec inet6 fe80::f816:3eff:feed:bb22/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:26:bf:25:52:6c 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-488734) 03/16/26 _x86_64_ (4 CPU) 09:33:52 LINUX RESTART (4 CPU) 09:40:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:30 3.33 0.07 3.09 0.17 7.22 510.23 88.92 10:00:13 16.39 0.52 14.54 1.32 19.37 2303.88 7317.59 Average: 9.79 0.30 8.76 0.74 13.24 1398.18 3667.50 09:40:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:30 10716512 13777404 2185168 13.35 115168 3107260 2406984 13.82 506352 4806432 31436 10:00:13 9787076 13367812 2590900 15.82 133652 3578904 2733428 15.69 685156 5529784 115864 Average: 10251794 13572608 2388034 14.59 124410 3343082 2570206 14.75 595754 5168108 73650 09:40:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:30 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 09:50:30 ens3 8.94 7.15 36.39 2.11 0.00 0.00 0.00 0.00 09:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:13 lo 512.61 512.61 488.61 488.61 0.00 0.00 0.00 0.00 10:00:13 ens3 38.11 26.31 419.64 3.62 0.00 0.00 0.00 0.00 10:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 254.07 254.07 242.08 242.08 0.00 0.00 0.00 0.00 Average: ens3 23.38 16.64 226.12 2.86 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-488734) 03/16/26 _x86_64_ (4 CPU) 09:33:52 LINUX RESTART (4 CPU) 09:40:34 CPU %user %nice %system %iowait %steal %idle 09:50:30 all 47.37 0.00 0.68 0.02 0.08 51.85 09:50:30 0 44.96 0.00 0.72 0.02 0.08 54.22 09:50:30 1 45.22 0.00 0.74 0.02 0.08 53.94 09:50:30 2 42.32 0.00 0.57 0.01 0.09 57.00 09:50:30 3 56.99 0.00 0.69 0.01 0.09 42.22 10:00:13 all 57.69 0.00 1.22 0.05 0.09 40.96 10:00:13 0 63.09 0.00 1.39 0.02 0.09 35.41 10:00:13 1 47.67 0.00 1.16 0.05 0.09 51.03 10:00:13 2 48.96 0.00 1.17 0.04 0.09 49.75 10:00:13 3 71.05 0.00 1.15 0.07 0.10 27.63 Average: all 52.47 0.00 0.95 0.03 0.09 46.46 Average: 0 53.94 0.00 1.05 0.02 0.09 44.90 Average: 1 46.43 0.00 0.95 0.03 0.09 52.50 Average: 2 45.60 0.00 0.87 0.03 0.09 53.42 Average: 3 63.95 0.00 0.92 0.04 0.09 35.00