---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3903 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 UTC 2025 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 633 10464 4 4891 15013 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:d9:f6:e3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84791sec preferred_lft 84791sec inet6 fe80::f816:3eff:fed9:f6e3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:55:4d:aa:ee:f7 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3903) 12/05/25 _x86_64_ (4 CPU) 11:13:50 LINUX RESTART (4 CPU) 11:20:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:36 3.47 0.07 3.25 0.14 6.88 562.35 271.61 11:40:36 25.14 0.63 21.98 2.53 31.01 6137.95 4261.52 Average: 14.31 0.35 12.61 1.34 18.95 3350.15 2266.57 11:20:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:36 9673228 12797244 3165568 19.33 113716 3175296 3470616 19.92 615844 5741752 24 11:40:36 10681684 15337136 619504 3.78 136568 4624328 1106672 6.35 992828 4288204 14452 Average: 10177456 14067190 1892536 11.56 125142 3899812 2288644 13.14 804336 5014978 7238 11:20:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:36 lo 0.58 0.58 0.38 0.38 0.00 0.00 0.00 0.00 11:30:36 ens3 7.92 6.77 37.23 2.02 0.00 0.00 0.00 0.00 11:30:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:36 lo 494.19 494.19 470.61 470.61 0.00 0.00 0.00 0.00 11:40:36 ens3 54.15 38.62 485.99 18.59 0.00 0.00 0.00 0.00 11:40:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 247.39 247.39 235.49 235.49 0.00 0.00 0.00 0.00 Average: ens3 31.04 22.69 261.61 10.31 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-3903) 12/05/25 _x86_64_ (4 CPU) 11:13:50 LINUX RESTART (4 CPU) 11:20:36 CPU %user %nice %system %iowait %steal %idle 11:30:36 all 47.03 0.00 0.59 0.02 0.08 52.28 11:30:36 0 54.85 0.00 0.45 0.01 0.08 44.62 11:30:36 1 54.54 0.00 0.80 0.03 0.08 44.55 11:30:36 2 37.47 0.00 0.58 0.03 0.08 61.84 11:30:36 3 41.27 0.00 0.54 0.02 0.07 58.10 11:40:36 all 51.80 0.00 1.46 0.37 0.08 46.29 11:40:36 0 66.67 0.00 1.38 0.24 0.09 31.62 11:40:36 1 46.40 0.00 1.67 0.30 0.08 51.54 11:40:36 2 47.75 0.00 1.47 0.71 0.07 50.00 11:40:36 3 46.38 0.00 1.33 0.23 0.08 51.98 Average: all 49.41 0.00 1.03 0.20 0.08 49.29 Average: 0 60.75 0.00 0.92 0.13 0.08 38.13 Average: 1 50.48 0.00 1.23 0.17 0.08 48.04 Average: 2 42.62 0.00 1.03 0.37 0.07 55.92 Average: 3 43.82 0.00 0.94 0.13 0.07 55.05