---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-270 5.15.0-190-generic #200-Ubuntu SMP Fri Aug 7 15:06:04 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 16G 63G 20% / 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 608 7168 4 8212 15037 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:25:73:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.238/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84778sec preferred_lft 84778sec inet6 fe80::f816:3eff:fe25:73ab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:dc:fd:a6:73:95 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 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-270) 09/12/26 _x86_64_ (4 CPU) 04:58:26 LINUX RESTART (4 CPU) 05:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:26 151.48 5.97 142.47 3.03 314.05 18813.47 36860.77 05:20:27 286.02 6.63 272.51 6.89 338.95 8205.35 34682.76 Average: 217.42 6.29 206.20 4.92 326.25 13614.47 35793.33 05:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:26 7065016 13234200 2713292 16.57 163376 6065204 3435340 19.72 885832 7955116 1816 05:20:27 6680280 13779460 2161324 13.20 190860 6925864 2402464 13.79 1054732 8103540 680628 Average: 6872648 13506830 2437308 14.89 177118 6495534 2918902 16.75 970282 8029328 341222 05:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:26 lo 53.24 53.24 15.72 15.72 0.00 0.00 0.00 0.00 05:10:26 ens3 566.14 411.23 1878.19 177.45 0.00 0.00 0.00 0.00 05:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:27 lo 64.02 64.02 41.97 41.97 0.00 0.00 0.00 0.00 05:20:27 ens3 188.67 141.53 232.46 72.66 0.00 0.00 0.00 0.00 05:20:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 58.53 58.53 28.59 28.59 0.00 0.00 0.00 0.00 Average: ens3 381.14 279.05 1071.62 126.09 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 5.15.0-190-generic (prd-ubuntu2204-docker-v1-8c-8g-270) 09/12/26 _x86_64_ (4 CPU) 04:58:26 LINUX RESTART (4 CPU) 05:00:01 CPU %user %nice %system %iowait %steal %idle 05:10:26 all 40.57 0.00 3.27 1.29 0.04 54.83 05:10:26 0 39.63 0.00 3.09 1.54 0.04 55.70 05:10:26 1 40.75 0.00 3.48 1.42 0.04 54.31 05:10:26 2 40.34 0.00 3.19 1.23 0.04 55.20 05:10:26 3 41.56 0.00 3.31 0.98 0.04 54.11 05:20:27 all 38.10 0.00 2.25 3.22 0.06 56.36 05:20:27 0 39.47 0.00 2.60 3.05 0.07 54.81 05:20:27 1 35.56 0.00 2.28 4.07 0.06 58.03 05:20:27 2 37.46 0.00 2.08 2.25 0.06 58.15 05:20:27 3 39.93 0.00 2.05 3.51 0.06 54.45 Average: all 39.36 0.00 2.77 2.24 0.05 55.58 Average: 0 39.55 0.00 2.85 2.28 0.05 55.27 Average: 1 38.21 0.00 2.89 2.72 0.05 56.13 Average: 2 38.93 0.00 2.65 1.73 0.05 56.65 Average: 3 40.76 0.00 2.69 2.22 0.05 54.28