---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-17845 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 913 19535 4 11643 30710 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:65:0d:b0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.125/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84606sec preferred_lft 84606sec inet6 fe80::f816:3eff:fe65:db0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:1b:4c:4b:8b:17 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-8c-8g-17845) 09/04/26 _x86_64_ (8 CPU) 11:52:13 LINUX RESTART (8 CPU) 12:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:06 16.30 0.58 14.60 1.12 13.41 4267.56 931.04 12:20:00 10.92 0.04 9.74 1.13 5.92 2976.14 1248.14 Average: 13.63 0.31 12.19 1.13 9.69 3627.32 1088.25 12:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:06 15259880 24463936 7777576 23.67 471324 8261364 10817284 31.90 1516528 14856348 4112 12:20:00 16825764 26851168 5388256 16.40 475916 9047104 9273404 27.35 1597792 13189140 4916 Average: 16042822 25657552 6582916 20.03 473620 8654234 10045344 29.62 1557160 14022744 4514 12:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:06 lo 6.08 6.08 1.78 1.78 0.00 0.00 0.00 0.00 12:10:06 ens3 133.39 82.27 266.30 51.81 0.00 0.00 0.00 0.00 12:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 2.10 2.10 0.23 0.23 0.00 0.00 0.00 0.00 12:20:00 ens3 34.79 23.67 77.77 15.16 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.11 4.11 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 84.51 53.22 172.83 33.64 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-8c-8g-17845) 09/04/26 _x86_64_ (8 CPU) 11:52:13 LINUX RESTART (8 CPU) 12:00:00 CPU %user %nice %system %iowait %steal %idle 12:10:06 all 81.17 0.00 2.94 0.01 0.04 15.83 12:10:06 0 80.53 0.00 2.94 0.00 0.04 16.49 12:10:06 1 79.54 0.00 3.09 0.04 0.04 17.29 12:10:06 2 79.10 0.00 2.83 0.00 0.03 18.03 12:10:06 3 78.87 0.00 2.93 0.01 0.03 18.17 12:10:06 4 89.80 0.00 2.87 0.01 0.06 7.26 12:10:06 5 79.25 0.00 2.99 0.00 0.06 17.70 12:10:06 6 81.40 0.00 2.89 0.03 0.03 15.66 12:10:06 7 80.91 0.00 2.97 0.01 0.06 16.05 12:20:00 all 96.60 0.00 3.25 0.00 0.05 0.10 12:20:00 0 96.69 0.00 3.16 0.00 0.06 0.10 12:20:00 1 96.23 0.00 3.63 0.00 0.04 0.10 12:20:00 2 96.62 0.00 3.22 0.00 0.06 0.09 12:20:00 3 96.40 0.00 3.41 0.00 0.06 0.12 12:20:00 4 96.71 0.00 3.16 0.00 0.05 0.09 12:20:00 5 96.73 0.00 3.16 0.00 0.05 0.06 12:20:00 6 96.69 0.00 3.18 0.00 0.05 0.09 12:20:00 7 96.72 0.00 3.10 0.00 0.07 0.11 Average: all 88.83 0.00 3.09 0.01 0.05 8.03 Average: 0 88.54 0.00 3.05 0.00 0.05 8.36 Average: 1 87.82 0.00 3.36 0.02 0.04 8.76 Average: 2 87.79 0.00 3.03 0.00 0.05 9.14 Average: 3 87.56 0.00 3.17 0.00 0.05 9.21 Average: 4 93.23 0.00 3.01 0.01 0.05 3.71 Average: 5 87.92 0.00 3.07 0.00 0.05 8.95 Average: 6 88.98 0.00 3.03 0.01 0.04 7.93 Average: 7 88.76 0.00 3.03 0.01 0.06 8.14