---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-61675 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 634 10246 4 5108 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:79:cc:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84957sec preferred_lft 84957sec inet6 fe80::f816:3eff:fe79:cc05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:89:c0:0f:34:b4 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-61675) 10/03/26 _x86_64_ (4 CPU) 17:09:24 LINUX RESTART (4 CPU) 17:10:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:01 24.84 3.17 20.50 1.17 177.24 4726.05 472.06 17:30:05 13.77 0.51 12.38 0.88 19.72 2092.31 2636.79 Average: 19.24 1.82 16.39 1.02 97.56 3393.80 1567.07 17:10:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:01 9650880 12860088 3101288 18.94 118308 3247892 3397004 19.50 513212 5847348 232 17:30:05 8818816 12805876 3150580 19.24 138032 3963692 3397160 19.50 739260 6420820 267532 Average: 9234848 12832982 3125934 19.09 128170 3605792 3397082 19.50 626236 6134084 133882 17:10:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:01 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 17:20:01 ens3 113.83 90.44 970.96 11.03 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 17:30:05 lo 358.25 358.25 341.84 341.84 0.00 0.00 0.00 0.00 17:30:05 ens3 50.55 37.80 476.20 4.31 0.00 0.00 0.00 0.00 17:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 181.67 181.67 172.96 172.96 0.00 0.00 0.00 0.00 Average: ens3 81.82 63.81 720.69 7.63 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-61675) 10/03/26 _x86_64_ (4 CPU) 17:09:24 LINUX RESTART (4 CPU) 17:10:10 CPU %user %nice %system %iowait %steal %idle 17:20:01 all 50.03 0.00 1.45 0.23 0.02 48.27 17:20:01 0 50.56 0.00 1.08 0.07 0.02 48.27 17:20:01 1 49.67 0.00 1.47 0.58 0.03 48.25 17:20:01 2 46.88 0.00 1.61 0.12 0.01 51.38 17:20:01 3 53.01 0.00 1.63 0.14 0.02 45.20 17:30:05 all 52.14 0.00 1.23 0.06 0.03 46.54 17:30:05 0 52.58 0.00 1.31 0.06 0.03 46.02 17:30:05 1 52.17 0.00 1.04 0.04 0.03 46.71 17:30:05 2 55.21 0.00 1.17 0.06 0.03 43.53 17:30:05 3 48.60 0.00 1.41 0.06 0.02 49.90 Average: all 51.10 0.00 1.34 0.14 0.03 47.39 Average: 0 51.58 0.00 1.20 0.07 0.03 47.13 Average: 1 50.93 0.00 1.26 0.31 0.03 47.47 Average: 2 51.10 0.00 1.39 0.09 0.02 47.40 Average: 3 50.78 0.00 1.52 0.10 0.02 47.57