---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37175 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: 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 nrip_save 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 8.1G 30G 22% / 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 796 4986 4 2460 7145 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:42:ae:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82624sec preferred_lft 82624sec inet6 fe80::f816:3eff:fe42:aed2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37175) 08/13/26 _x86_64_ (2 CPU) 01:05:00 LINUX RESTART (2 CPU) 01:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:12 1.26 0.01 1.25 0.00 0.07 15.58 2.27 01:30:12 2.32 0.71 1.58 0.03 94.13 76.69 706.59 01:40:12 1.20 0.01 1.17 0.02 1.05 14.31 20.83 01:50:12 1.19 0.00 1.17 0.02 0.00 14.43 23.08 02:00:12 14.85 1.58 12.33 0.94 114.77 2191.75 209.48 Average: 4.15 0.46 3.49 0.20 41.87 461.07 191.81 01:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:12 6283604 7530916 290192 3.57 31008 1422288 527348 5.74 449008 1184140 184 01:30:12 6236752 7513472 306912 3.77 31492 1450788 721828 7.86 465872 1202812 124 01:40:12 6243852 7521408 298984 3.68 31684 1451428 527548 5.75 460020 1203332 132 01:50:12 6244752 7522848 297564 3.66 31892 1451752 527760 5.75 460420 1203864 124 02:00:12 5418296 7356852 423700 5.21 71584 2038532 661276 7.20 626624 1813480 45252 Average: 6085451 7489099 323470 3.98 39532 1562958 593152 6.46 492389 1321526 9163 01:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 1.16 0.12 1.10 0.09 0.00 0.00 0.00 0.00 01:30:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.86 0.33 3.38 0.10 0.00 0.00 0.00 0.00 01:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.49 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:12 ens3 0.45 0.28 0.09 0.68 0.00 0.00 0.00 0.00 02:00:12 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:12 ens3 38.27 24.98 278.07 5.88 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.22 5.14 56.36 1.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-37175) 08/13/26 _x86_64_ (2 CPU) 01:05:00 LINUX RESTART (2 CPU) 01:10:02 CPU %user %nice %system %iowait %steal %idle 01:20:12 all 0.28 0.00 0.08 0.02 0.04 99.59 01:20:12 0 0.08 0.00 0.10 0.02 0.05 99.75 01:20:12 1 0.47 0.00 0.06 0.01 0.03 99.42 01:30:12 all 0.39 0.00 0.20 0.04 0.04 99.33 01:30:12 0 0.29 0.00 0.24 0.07 0.05 99.35 01:30:12 1 0.49 0.00 0.15 0.01 0.04 99.31 01:40:12 all 0.23 0.00 0.07 0.01 0.04 99.65 01:40:12 0 0.05 0.00 0.08 0.01 0.04 99.82 01:40:12 1 0.41 0.00 0.07 0.02 0.04 99.47 01:50:12 all 0.26 0.00 0.07 0.01 0.04 99.62 01:50:12 0 0.08 0.00 0.09 0.01 0.05 99.77 01:50:12 1 0.44 0.00 0.05 0.01 0.03 99.47 02:00:12 all 6.15 0.00 1.00 0.34 0.05 92.46 02:00:12 0 7.55 0.00 1.08 0.34 0.06 90.97 02:00:12 1 4.75 0.00 0.92 0.34 0.04 93.94 Average: all 1.46 0.00 0.28 0.08 0.04 98.13 Average: 0 1.60 0.00 0.32 0.09 0.05 97.94 Average: 1 1.31 0.00 0.25 0.08 0.04 98.33