---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58146 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 8.2G 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 787 4945 4 2511 7154 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:4e:82:99 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83666sec preferred_lft 83666sec inet6 fe80::f816:3eff:fe4e:8299/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58146) 09/25/26 _x86_64_ (2 CPU) 01:04:50 LINUX RESTART (2 CPU) 01:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:16 11.63 1.55 9.07 1.02 149.63 1213.32 613.42 01:30:26 1.46 0.00 1.40 0.06 0.00 25.47 6.19 01:40:26 15.66 0.00 1.44 14.22 0.15 19.68 106270.30 Average: 9.55 0.52 3.98 5.05 50.20 421.69 35240.86 01:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:16 5160924 7400676 365120 4.49 87904 2312188 811500 8.84 604796 2074540 128 01:30:26 5143368 7385920 379796 4.67 88108 2314768 811648 8.84 605628 2077324 144 01:40:26 5140932 7384600 381040 4.69 88292 2315700 811644 8.84 605808 2078412 168 Average: 5148408 7390399 375319 4.62 88101 2314219 811597 8.84 605411 2076759 147 01:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:16 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 01:20:16 ens3 9.18 5.70 42.02 1.46 0.00 0.00 0.00 0.00 01:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:26 ens3 1.91 0.33 16.58 0.15 0.00 0.00 0.00 0.00 01:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:26 ens3 2.31 0.46 22.79 0.22 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 4.48 2.17 27.15 0.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58146) 09/25/26 _x86_64_ (2 CPU) 01:04:50 LINUX RESTART (2 CPU) 01:10:06 CPU %user %nice %system %iowait %steal %idle 01:20:16 all 6.00 0.00 0.98 1.06 0.05 91.92 01:20:16 0 3.80 0.00 0.83 0.92 0.05 94.41 01:20:16 1 8.19 0.00 1.13 1.21 0.04 89.42 01:30:26 all 1.00 0.00 0.24 0.03 0.06 98.67 01:30:26 0 0.99 0.00 0.25 0.04 0.06 98.66 01:30:26 1 1.01 0.00 0.24 0.02 0.06 98.67 01:40:26 all 0.69 0.00 0.19 0.04 0.09 99.00 01:40:26 0 0.64 0.00 0.15 0.01 0.07 99.13 01:40:26 1 0.73 0.00 0.23 0.07 0.10 98.87 Average: all 2.57 0.00 0.47 0.38 0.06 96.51 Average: 0 1.82 0.00 0.41 0.32 0.06 97.39 Average: 1 3.33 0.00 0.54 0.44 0.06 95.64