---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41854 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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): 2 On-line CPU(s) list: 0,1 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): 2 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: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 8.0G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 756 5131 4 2348 7185 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:3d:23:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80091sec preferred_lft 80091sec inet6 fe80::f816:3eff:fe3d:23cb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41854) 08/28/26 _x86_64_ (2 CPU) 01:00:06 LINUX RESTART (2 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 14.53 0.01 1.18 13.34 0.21 14.70 110096.92 01:30:01 1.31 0.00 1.28 0.03 0.00 16.01 204.37 01:40:05 1.16 0.00 1.16 0.00 0.00 14.20 0.34 01:50:01 1.19 0.00 1.19 0.00 0.00 14.77 0.00 02:00:01 2.34 0.71 1.60 0.03 95.18 77.44 258.98 02:10:05 1.20 0.00 1.20 0.00 0.00 14.48 0.00 02:20:01 14.86 1.59 12.33 0.94 115.38 2235.18 632.91 02:30:01 12.21 1.23 9.55 1.43 109.40 1311.89 501.73 02:40:01 1.43 0.00 1.43 0.00 0.00 64.75 0.00 Average: 5.57 0.39 3.43 1.74 35.52 416.92 12337.09 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6305556 7547140 272720 3.35 31188 1416728 522964 5.70 383280 1234168 276 01:30:01 6300524 7542636 277192 3.41 31380 1417048 522980 5.70 383424 1234688 240 01:40:05 6314976 7557588 262272 3.22 31548 1417376 523108 5.70 383724 1235180 244 01:50:01 6318396 7561504 258348 3.18 31708 1417700 523240 5.70 383736 1235668 240 02:00:01 6249744 7522780 296416 3.64 32144 1446812 523232 5.70 394640 1254460 240 02:10:05 6249744 7523268 295916 3.64 32304 1447140 523240 5.70 394712 1254944 256 02:20:01 5456756 7389288 390104 4.80 72008 2032436 638188 6.95 544660 1863220 46344 02:30:01 5177864 7387228 378808 4.66 87288 2282596 645268 7.03 548508 2099868 800 02:40:01 5168620 7392168 373616 4.59 87412 2296572 648624 7.06 551900 2113852 656 Average: 5949131 7491511 311710 3.83 48553 1686045 563427 6.14 440954 1502894 5477 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.52 0.11 0.12 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.48 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 0.56 0.27 0.12 0.61 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.36 0.09 0.11 0.07 0.00 0.00 0.00 0.00 02:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.37 0.20 3.26 0.03 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:20:01 ens3 33.38 24.10 278.95 5.96 0.00 0.00 0.00 0.00 02:30:01 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 02:30:01 ens3 55.62 43.64 45.05 8.14 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 44.70 40.14 12.52 9.50 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.12 12.06 37.66 2.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41854) 08/28/26 _x86_64_ (2 CPU) 01:00:06 LINUX RESTART (2 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.29 0.00 0.09 0.04 0.00 99.58 01:20:01 0 0.08 0.00 0.11 0.01 0.00 99.80 01:20:01 1 0.49 0.00 0.08 0.08 0.00 99.36 01:30:01 all 0.28 0.00 0.17 0.01 0.00 99.54 01:30:01 0 0.07 0.00 0.20 0.00 0.00 99.73 01:30:01 1 0.50 0.00 0.14 0.03 0.00 99.34 01:40:05 all 0.25 0.00 0.07 0.01 0.00 99.66 01:40:05 0 0.07 0.00 0.08 0.02 0.00 99.82 01:40:05 1 0.43 0.00 0.06 0.00 0.00 99.50 01:50:01 all 0.26 0.00 0.06 0.01 0.00 99.67 01:50:01 0 0.04 0.00 0.07 0.02 0.00 99.87 01:50:01 1 0.49 0.00 0.04 0.00 0.00 99.46 02:00:01 all 0.39 0.00 0.21 0.04 0.00 99.36 02:00:01 0 0.25 0.00 0.23 0.04 0.00 99.47 02:00:01 1 0.53 0.00 0.20 0.04 0.00 99.24 02:10:05 all 0.25 0.00 0.06 0.01 0.00 99.68 02:10:05 0 0.04 0.00 0.09 0.00 0.00 99.87 02:10:05 1 0.46 0.00 0.04 0.02 0.00 99.48 02:20:01 all 6.10 0.00 1.03 0.43 0.00 92.43 02:20:01 0 6.74 0.00 1.18 0.54 0.00 91.55 02:20:01 1 5.47 0.00 0.89 0.32 0.01 93.32 02:30:01 all 8.74 0.00 1.44 0.40 0.01 89.41 02:30:01 0 6.19 0.00 1.38 0.25 0.01 92.17 02:30:01 1 11.28 0.00 1.51 0.54 0.01 86.67 02:40:01 all 4.57 0.00 0.58 0.01 0.01 94.82 02:40:01 0 6.23 0.00 0.58 0.01 0.01 93.17 02:40:01 1 2.94 0.00 0.59 0.01 0.01 96.46 Average: all 2.33 0.00 0.41 0.11 0.00 97.15 Average: 0 2.17 0.00 0.43 0.10 0.00 97.30 Average: 1 2.49 0.00 0.39 0.11 0.00 97.00