---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61967 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: 5600.00 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 638 10336 4 5014 15007 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:31:53:ad brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84941sec preferred_lft 84941sec inet6 fe80::f816:3eff:fe31:53ad/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:3b:19:4e:40:e4 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-61967) 10/04/26 _x86_64_ (4 CPU) 17:09:24 LINUX RESTART (4 CPU) 17:10:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 20.93 3.12 17.02 0.80 175.53 4448.62 434.09 17:30:21 13.37 0.51 12.02 0.85 19.73 2042.12 3433.44 Average: 17.05 1.78 14.45 0.82 95.51 3212.62 1974.58 17:10:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9554164 12665904 3296812 20.14 115128 3155524 3577104 20.53 482768 5989868 2684 17:30:21 8828864 12719336 3238024 19.78 135124 3871936 3474980 19.95 712632 6431108 271792 Average: 9191514 12692620 3267418 19.96 125126 3513730 3526042 20.24 597700 6210488 137238 17:10:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.84 0.84 0.08 0.08 0.00 0.00 0.00 0.00 17:20:01 ens3 107.98 86.79 896.29 10.74 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:21 lo 317.46 317.46 302.66 302.66 0.00 0.00 0.00 0.00 17:30:21 ens3 49.84 38.95 462.82 4.26 0.00 0.00 0.00 0.00 17:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 163.46 163.46 155.49 155.49 0.00 0.00 0.00 0.00 Average: ens3 78.12 62.21 673.65 7.41 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-61967) 10/04/26 _x86_64_ (4 CPU) 17:09:24 LINUX RESTART (4 CPU) 17:10:13 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 50.00 0.00 1.40 0.23 0.02 48.35 17:20:01 0 50.29 0.00 1.47 0.07 0.02 48.15 17:20:01 1 51.25 0.00 1.30 0.08 0.01 47.36 17:20:01 2 48.24 0.00 1.30 0.13 0.02 50.30 17:20:01 3 50.22 0.00 1.51 0.64 0.02 47.61 17:30:21 all 52.89 0.00 1.25 0.06 0.02 45.78 17:30:21 0 57.76 0.00 1.16 0.10 0.01 40.97 17:30:21 1 59.85 0.00 1.50 0.06 0.03 38.56 17:30:21 2 42.74 0.00 1.03 0.03 0.01 56.18 17:30:21 3 51.22 0.00 1.33 0.05 0.02 47.38 Average: all 51.48 0.00 1.32 0.14 0.02 47.03 Average: 0 54.13 0.00 1.31 0.09 0.01 44.46 Average: 1 55.66 0.00 1.41 0.07 0.02 42.85 Average: 2 45.42 0.00 1.16 0.08 0.02 53.32 Average: 3 50.73 0.00 1.42 0.34 0.02 47.50