---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65219 5.15.0-198-generic #208-Ubuntu SMP Fri Sep 4 10:22:38 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 10200 4 5152 15010 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:23:97:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84832sec preferred_lft 84832sec inet6 fe80::f816:3eff:fe23:97fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:b3:93:1d:8e:e1 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-65219) 10/15/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:00 3.98 0.06 3.73 0.19 6.88 607.47 451.71 10:20:00 24.54 0.70 21.57 2.27 33.07 5963.17 7382.44 Average: 14.26 0.38 12.65 1.23 19.97 3285.32 3917.07 10:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:00 9151036 12553176 3407140 20.81 122052 3427988 3581440 20.56 525444 6321256 36 10:20:00 10450636 15374384 579312 3.54 144992 4867752 1123348 6.45 891652 4584320 13596 Average: 9800836 13963780 1993226 12.17 133522 4147870 2352394 13.50 708548 5452788 6816 10:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 10:10:00 ens3 12.58 9.64 46.27 2.50 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:00 lo 511.97 511.97 485.86 485.86 0.00 0.00 0.00 0.00 10:20:00 ens3 79.33 63.79 519.17 86.34 0.00 0.00 0.00 0.00 10:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 256.29 256.29 243.12 243.12 0.00 0.00 0.00 0.00 Average: ens3 45.95 36.71 282.72 44.42 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 5.15.0-198-generic (prd-ubuntu2204-docker-4c-4g-65219) 10/15/26 _x86_64_ (4 CPU) 09:54:23 LINUX RESTART (4 CPU) 10:00:00 CPU %user %nice %system %iowait %steal %idle 10:10:00 all 49.13 0.00 0.88 0.04 0.03 49.92 10:10:00 0 58.92 0.00 0.86 0.01 0.03 40.17 10:10:00 1 55.04 0.00 0.95 0.06 0.03 43.92 10:10:00 2 46.21 0.00 0.94 0.01 0.03 52.81 10:10:00 3 36.38 0.00 0.78 0.07 0.02 62.75 10:20:00 all 50.96 0.00 1.66 0.20 0.03 47.15 10:20:00 0 72.22 0.00 1.64 0.19 0.04 25.93 10:20:00 1 43.75 0.00 1.72 0.07 0.03 54.43 10:20:00 2 45.99 0.00 1.71 0.14 0.03 52.13 10:20:00 3 41.85 0.00 1.58 0.40 0.03 56.14 Average: all 50.04 0.00 1.27 0.12 0.03 48.54 Average: 0 65.57 0.00 1.25 0.10 0.03 33.05 Average: 1 49.40 0.00 1.33 0.07 0.03 49.17 Average: 2 46.10 0.00 1.32 0.08 0.03 52.47 Average: 3 39.11 0.00 1.18 0.24 0.03 59.45