---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-448056 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 653 8824 4 6511 14993 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:a0:27:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84564sec preferred_lft 84564sec inet6 fe80::f816:3eff:fea0:27b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:2d:a0:ca:05:ab 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-448056) 03/12/26 _x86_64_ (4 CPU) 02:22:25 LINUX RESTART (4 CPU) 02:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:07 26.44 0.02 23.45 2.96 0.33 2122.25 10206.37 02:50:07 21.16 0.03 19.01 2.12 0.76 4035.31 20638.64 Average: 23.81 0.02 21.24 2.54 0.54 3074.06 15396.77 02:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:07 9462680 13187488 2768952 16.91 145900 3690032 2828644 16.24 732088 5764084 32484 02:50:07 5635444 10342668 5609636 34.26 163852 4612728 5348732 30.70 1015688 9247020 29760 Average: 7549062 11765078 4189294 25.59 154876 4151380 4088688 23.47 873888 7505552 31122 02:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:07 lo 1416.26 1416.26 1344.67 1344.67 0.00 0.00 0.00 0.00 02:40:07 ens3 21.04 18.68 11.23 6.52 0.00 0.00 0.00 0.00 02:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:07 lo 895.38 895.38 5318.24 5318.24 0.00 0.00 0.00 0.00 02:50:07 ens3 17.49 15.40 21.68 5.27 0.00 0.00 0.00 0.00 02:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1157.11 1157.11 3321.65 3321.65 0.00 0.00 0.00 0.00 Average: ens3 19.27 17.05 16.43 5.90 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-448056) 03/12/26 _x86_64_ (4 CPU) 02:22:25 LINUX RESTART (4 CPU) 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:07 all 66.30 0.00 2.45 0.08 0.12 31.05 02:40:07 0 65.87 0.00 2.51 0.08 0.13 31.41 02:40:07 1 67.07 0.00 2.77 0.05 0.12 30.00 02:40:07 2 66.50 0.00 1.97 0.05 0.13 31.36 02:40:07 3 65.76 0.00 2.53 0.14 0.12 31.46 02:50:07 all 51.46 0.00 1.81 0.15 0.11 46.47 02:50:07 0 53.33 0.00 1.77 0.08 0.11 44.71 02:50:07 1 51.12 0.00 2.01 0.15 0.11 46.61 02:50:07 2 45.91 0.00 1.68 0.07 0.12 52.22 02:50:07 3 55.46 0.00 1.78 0.29 0.11 42.36 Average: all 58.91 0.00 2.13 0.11 0.12 38.73 Average: 0 59.63 0.00 2.14 0.08 0.12 38.03 Average: 1 59.13 0.00 2.39 0.10 0.11 38.26 Average: 2 56.24 0.00 1.83 0.06 0.12 41.75 Average: 3 60.63 0.00 2.15 0.21 0.12 36.88