---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-45170 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 9.7G 29G 26% / 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 1230 2807 4 4215 6711 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:56:21:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.190/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83808sec preferred_lft 83808sec inet6 fe80::f816:3eff:fe56:21fc/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-45170) 08/29/26 _x86_64_ (2 CPU) 23:07:09 LINUX RESTART (2 CPU) 23:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:12 23.76 14.63 8.20 0.93 253.22 1259.72 471.79 23:30:01 16.18 0.01 1.72 14.45 0.19 493.18 108294.46 23:40:01 1.40 0.00 1.37 0.03 0.00 262.60 7.34 23:50:12 8.56 0.08 6.91 1.57 6.31 5515.33 2669.88 Average: 12.49 3.73 4.59 4.17 65.76 1902.49 27265.56 23:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:12 4947472 7238156 518996 6.38 89200 2353668 869080 9.47 692044 2182336 4784 23:30:01 4833088 7262820 491524 6.04 89364 2490576 853440 9.30 660096 2319408 1892 23:40:01 4629632 7135480 618448 7.60 89552 2564616 984584 10.72 790740 2393628 2076 23:50:12 3139620 7109276 640740 7.88 95472 3995564 885836 9.65 830712 3828884 31032 Average: 4387453 7186433 567427 6.98 90897 2851106 898235 9.78 743398 2681064 9946 23:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:12 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 23:20:12 ens3 119.65 110.16 61.89 12.71 0.00 0.00 0.00 0.00 23:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:30:01 ens3 199.75 193.97 115.75 17.13 0.00 0.00 0.00 0.00 23:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 23:40:01 ens3 145.17 142.38 37.07 12.64 0.00 0.00 0.00 0.00 23:50:12 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 23:50:12 ens3 218.59 191.83 562.43 110.24 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 170.65 159.36 195.71 38.49 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-45170) 08/29/26 _x86_64_ (2 CPU) 23:07:09 LINUX RESTART (2 CPU) 23:10:01 CPU %user %nice %system %iowait %steal %idle 23:20:12 all 20.43 0.14 16.74 0.29 0.03 62.36 23:20:12 0 17.46 0.00 14.77 0.18 0.03 67.55 23:20:12 1 23.41 0.29 18.73 0.41 0.03 57.14 23:30:01 all 24.61 0.00 9.03 0.03 0.03 66.31 23:30:01 0 22.59 0.00 8.65 0.01 0.02 68.73 23:30:01 1 26.64 0.00 9.42 0.04 0.03 63.87 23:40:01 all 19.35 0.00 7.91 0.01 0.02 72.71 23:40:01 0 19.58 0.00 7.96 0.01 0.02 72.43 23:40:01 1 19.12 0.00 7.86 0.01 0.02 72.99 23:50:12 all 33.76 0.00 5.94 0.26 0.04 60.01 23:50:12 0 30.74 0.00 5.86 0.19 0.03 63.18 23:50:12 1 36.78 0.00 6.02 0.32 0.04 56.84 Average: all 24.55 0.04 9.94 0.15 0.03 65.30 Average: 0 22.59 0.00 9.34 0.10 0.03 67.94 Average: 1 26.51 0.07 10.54 0.20 0.03 62.65