---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-5578 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: 5600.02 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 680 7468 4 7839 14965 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:dd:06:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.86/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84824sec preferred_lft 84824sec inet6 fe80::f816:3eff:fedd:661/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:d0:74:e3:b4:7e 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 inet6 fe80::28d0:74ff:fee3:b47e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-v1-8c-8g-5578) 10/27/26 _x86_64_ (4 CPU) 07:54:11 LINUX RESTART (4 CPU) 08:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:04 1.51 0.19 1.31 0.01 1.56 16.63 384.00 08:20:07 104.22 3.62 97.67 2.93 331.78 28514.31 33542.27 Average: 53.02 1.91 49.64 1.47 167.17 14308.32 17013.00 08:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:04 13515056 15474756 540644 3.30 59688 2126508 1185448 6.80 249876 2341736 188 08:20:07 7678240 15353056 592896 3.62 140564 7564016 1237620 7.10 2358760 5816040 34460 Average: 10596648 15413906 566770 3.46 100126 4845262 1211534 6.95 1304318 4078888 17324 08:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:04 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:10:04 ens3 0.60 0.32 0.22 0.44 0.00 0.00 0.00 0.00 08:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:07 lo 0.95 0.95 0.10 0.10 0.00 0.00 0.00 0.00 08:20:07 ens3 185.39 140.37 1439.47 1351.50 0.00 0.00 0.00 0.00 08:20:07 docker0 13.41 19.58 0.71 186.91 0.00 0.00 0.00 0.00 Average: lo 0.53 0.53 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 93.28 70.56 722.01 678.00 0.00 0.00 0.00 0.00 Average: docker0 6.73 9.82 0.36 93.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-198-generic (prd-ubuntu2204-docker-v1-8c-8g-5578) 10/27/26 _x86_64_ (4 CPU) 07:54:11 LINUX RESTART (4 CPU) 08:00:04 CPU %user %nice %system %iowait %steal %idle 08:10:04 all 0.10 0.00 0.03 0.01 0.02 99.84 08:10:04 0 0.11 0.00 0.04 0.01 0.03 99.81 08:10:04 1 0.04 0.00 0.03 0.00 0.02 99.91 08:10:04 2 0.23 0.00 0.04 0.01 0.02 99.70 08:10:04 3 0.02 0.00 0.02 0.03 0.01 99.92 08:20:07 all 12.90 0.00 2.35 1.31 0.11 83.33 08:20:07 0 12.10 0.00 2.32 1.82 0.12 83.64 08:20:07 1 12.82 0.00 2.75 1.23 0.10 83.10 08:20:07 2 14.63 0.00 2.23 1.24 0.11 81.79 08:20:07 3 12.08 0.00 2.08 0.95 0.10 84.78 Average: all 6.52 0.00 1.19 0.66 0.06 91.56 Average: 0 6.13 0.00 1.19 0.92 0.07 91.69 Average: 1 6.44 0.00 1.39 0.62 0.06 91.48 Average: 2 7.43 0.00 1.14 0.62 0.06 90.74 Average: 3 6.06 0.00 1.05 0.49 0.05 92.34