---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-16287 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 15G 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 611 7372 4 8005 15034 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:2f:52:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.201/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84802sec preferred_lft 84802sec inet6 fe80::f816:3eff:fe2f:5277/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:10:b9:fe:e4:64 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-16287) 08/29/26 _x86_64_ (4 CPU) 04:58:24 LINUX RESTART (4 CPU) 05:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:26 127.31 5.68 119.24 2.39 281.19 15458.51 19920.38 05:20:25 310.82 7.31 296.14 7.36 374.39 11282.26 46231.75 Average: 217.14 6.48 205.84 4.82 326.81 13414.06 32800.86 05:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:26 7444444 13396876 2552376 15.59 155484 5862500 3401660 19.53 860300 7612948 715288 05:20:25 7654652 14998272 942980 5.76 189584 7162180 1634404 9.38 1133072 7065896 1052256 Average: 7549548 14197574 1747678 10.67 172534 6512340 2518032 14.45 996686 7339422 883772 05:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:26 lo 50.05 50.05 14.99 14.99 0.00 0.00 0.00 0.00 05:10:26 ens3 566.74 426.99 1634.77 198.51 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 05:20:25 lo 67.66 67.66 42.86 42.86 0.00 0.00 0.00 0.00 05:20:25 ens3 206.60 150.92 402.57 79.72 0.00 0.00 0.00 0.00 05:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 58.67 58.67 28.63 28.63 0.00 0.00 0.00 0.00 Average: ens3 390.44 291.84 1031.56 140.36 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-16287) 08/29/26 _x86_64_ (4 CPU) 04:58:24 LINUX RESTART (4 CPU) 05:00:01 CPU %user %nice %system %iowait %steal %idle 05:10:26 all 40.52 0.00 3.31 1.03 0.02 55.13 05:10:26 0 40.76 0.00 3.38 1.11 0.02 54.73 05:10:26 1 41.92 0.00 3.15 1.39 0.02 53.52 05:10:26 2 40.78 0.00 3.04 0.83 0.02 55.33 05:10:26 3 38.61 0.00 3.66 0.78 0.02 56.93 05:20:25 all 39.57 0.00 2.31 3.48 0.02 54.63 05:20:25 0 40.24 0.00 2.47 3.10 0.02 54.18 05:20:25 1 36.13 0.00 2.21 2.12 0.02 59.52 05:20:25 2 40.70 0.00 2.44 3.77 0.02 53.08 05:20:25 3 41.21 0.00 2.13 4.91 0.02 51.73 Average: all 40.05 0.00 2.82 2.22 0.02 54.88 Average: 0 40.51 0.00 2.93 2.08 0.02 54.46 Average: 1 39.09 0.00 2.69 1.75 0.02 56.45 Average: 2 40.74 0.00 2.75 2.27 0.02 54.23 Average: 3 39.88 0.00 2.91 2.80 0.02 54.39