---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-3207 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: 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 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 627 7358 4 8003 15018 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:ca:bf:e7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.142/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84835sec preferred_lft 84835sec inet6 fe80::f816:3eff:feca:bfe7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:7a:b2:66:d9:54 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-3207) 09/19/26 _x86_64_ (4 CPU) 04:58:24 LINUX RESTART (4 CPU) 05:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:10:13 126.35 5.52 118.41 2.41 270.88 15789.72 24022.80 05:20:13 313.49 7.61 299.11 6.77 390.46 10172.08 42440.43 Average: 219.00 6.55 207.87 4.57 330.08 13008.60 33140.81 05:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:10:13 7326536 13275460 2673804 16.33 154640 5859500 3272100 18.78 859652 7711936 719024 05:20:13 6188628 13184540 2757148 16.84 190128 6822504 2865596 16.45 1075696 8577884 685360 Average: 6757582 13230000 2715476 16.59 172384 6341002 3068848 17.62 967674 8144910 702192 05:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:10:13 lo 49.34 49.34 14.96 14.96 0.00 0.00 0.00 0.00 05:10:13 ens3 734.23 470.75 1699.65 228.40 0.00 0.00 0.00 0.00 05:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:13 lo 68.91 68.91 43.14 43.14 0.00 0.00 0.00 0.00 05:20:13 ens3 281.91 186.02 424.47 99.27 0.00 0.00 0.00 0.00 05:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 59.03 59.03 28.91 28.91 0.00 0.00 0.00 0.00 Average: ens3 510.30 329.79 1068.35 164.47 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-3207) 09/19/26 _x86_64_ (4 CPU) 04:58:24 LINUX RESTART (4 CPU) 05:00:01 CPU %user %nice %system %iowait %steal %idle 05:10:13 all 40.40 0.00 3.27 1.07 0.03 55.22 05:10:13 0 40.28 0.00 3.01 0.91 0.03 55.77 05:10:13 1 39.57 0.00 3.31 0.91 0.03 56.18 05:10:13 2 39.18 0.00 3.49 1.49 0.03 55.81 05:10:13 3 42.58 0.00 3.27 0.98 0.03 53.14 05:20:13 all 37.45 0.00 2.22 2.81 0.03 57.49 05:20:13 0 39.38 0.00 1.98 1.96 0.03 56.66 05:20:13 1 37.60 0.00 2.24 2.69 0.04 57.44 05:20:13 2 35.83 0.00 2.34 3.12 0.03 58.68 05:20:13 3 37.00 0.00 2.32 3.47 0.03 57.18 Average: all 38.94 0.00 2.75 1.93 0.03 56.34 Average: 0 39.83 0.00 2.50 1.43 0.03 56.21 Average: 1 38.59 0.00 2.78 1.79 0.04 56.80 Average: 2 37.52 0.00 2.92 2.29 0.03 57.23 Average: 3 39.83 0.00 2.80 2.21 0.03 55.13