---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3038 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: 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 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 780 4975 4 2488 7161 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:39:8d:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83742sec preferred_lft 83742sec inet6 fe80::f816:3eff:fe39:8d47/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3038) 09/08/26 _x86_64_ (2 CPU) 01:06:37 LINUX RESTART (2 CPU) 01:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 11.12 1.28 8.55 1.28 112.40 1153.93 530.58 01:30:19 1.55 0.01 1.52 0.02 0.05 26.82 3.87 01:40:13 1.88 0.33 1.55 0.01 43.49 108.19 0.18 01:50:01 3.65 0.04 3.03 0.58 1.37 134.07 150.55 Average: 4.49 0.41 3.62 0.46 38.65 348.85 167.78 01:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 5224120 7402948 364024 4.48 87316 2252940 610696 6.65 584116 2025004 128 01:30:19 5208516 7390084 376656 4.63 87508 2255500 614988 6.70 587344 2027748 156 01:40:13 5148560 7369904 396412 4.87 87932 2294772 816256 8.89 605560 2057368 148 01:50:01 5111936 7342992 422772 5.20 89592 2302540 839780 9.15 646028 2066596 24068 Average: 5173283 7376482 389966 4.80 88087 2276438 720430 7.85 605762 2044179 6125 01:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:20:01 ens3 8.21 5.89 36.83 1.62 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.61 0.18 0.11 0.07 0.00 0.00 0.00 0.00 01:40:13 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:13 ens3 0.93 0.58 3.44 0.13 0.00 0.00 0.00 0.00 01:50:01 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 4.92 3.67 8.19 5.53 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.61 2.54 11.90 1.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3038) 09/08/26 _x86_64_ (2 CPU) 01:06:37 LINUX RESTART (2 CPU) 01:10:19 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 6.83 0.00 1.05 0.22 0.01 91.89 01:20:01 0 4.51 0.00 0.92 0.21 0.01 94.35 01:20:01 1 9.14 0.00 1.17 0.24 0.02 89.43 01:30:19 all 1.47 0.00 0.24 0.01 0.01 98.27 01:30:19 0 0.60 0.00 0.21 0.02 0.00 99.16 01:30:19 1 2.34 0.00 0.27 0.00 0.01 97.37 01:40:13 all 1.20 0.00 0.18 0.03 0.01 98.58 01:40:13 0 0.69 0.00 0.14 0.00 0.01 99.16 01:40:13 1 1.72 0.00 0.22 0.05 0.01 98.01 01:50:01 all 3.18 0.00 0.35 0.06 0.01 96.40 01:50:01 0 3.34 0.00 0.35 0.08 0.01 96.23 01:50:01 1 3.03 0.00 0.34 0.05 0.01 96.58 Average: all 3.13 0.00 0.45 0.08 0.01 96.33 Average: 0 2.25 0.00 0.40 0.08 0.01 97.26 Average: 1 4.02 0.00 0.50 0.08 0.01 95.39