---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61247 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 781 4962 4 2500 7160 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:da:b4:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83798sec preferred_lft 83798sec inet6 fe80::f816:3eff:feda:b4b2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61247) 10/02/26 _x86_64_ (2 CPU) 01:05:36 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:12 4.88 0.07 4.43 0.39 6.08 799.79 264.31 01:30:12 1.57 0.01 1.53 0.03 0.05 21.88 2.00 01:40:01 15.81 0.00 1.35 14.46 0.15 17.16 108352.38 Average: 7.35 0.03 2.45 4.87 2.13 284.47 35524.84 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:12 5162396 7395676 370020 4.55 87756 2306156 798432 8.70 597524 2068664 176 01:30:12 5151664 7386336 379080 4.66 87936 2307384 799916 8.71 598664 2070056 204 01:40:01 5151424 7386960 378480 4.65 88104 2308064 800016 8.71 599012 2070896 124 Average: 5155161 7389657 375860 4.62 87932 2307201 799455 8.71 598400 2069872 168 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:12 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 4.24 1.55 1.50 0.66 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 1.43 0.33 1.85 0.12 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 1.03 0.28 0.24 0.15 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.25 0.73 1.21 0.31 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61247) 10/02/26 _x86_64_ (2 CPU) 01:05:36 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:12 all 2.11 0.00 0.34 0.04 0.01 97.51 01:20:12 0 1.94 0.00 0.29 0.07 0.00 97.70 01:20:12 1 2.27 0.00 0.39 0.02 0.01 97.31 01:30:12 all 0.82 0.00 0.23 0.02 0.01 98.93 01:30:12 0 0.82 0.00 0.24 0.02 0.01 98.91 01:30:12 1 0.83 0.00 0.22 0.01 0.01 98.94 01:40:01 all 0.60 0.00 0.13 0.04 0.00 99.23 01:40:01 0 0.53 0.00 0.12 0.05 0.00 99.30 01:40:01 1 0.66 0.00 0.14 0.03 0.01 99.16 Average: all 1.18 0.00 0.23 0.03 0.01 98.54 Average: 0 1.11 0.00 0.22 0.05 0.00 98.63 Average: 1 1.26 0.00 0.25 0.02 0.01 98.46