---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3012 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 8.1G 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 776 5096 4 2363 7165 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:7f:7b:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83941sec preferred_lft 83941sec inet6 fe80::f816:3eff:fe7f:7b5f/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-3012) 09/08/26 _x86_64_ (2 CPU) 00:44:04 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 9.56 1.36 7.69 0.52 99.08 996.97 185.32 01:10:17 17.47 1.45 14.31 1.71 122.15 2474.95 351.13 01:20:17 2.03 0.33 1.69 0.02 43.09 153.32 0.80 Average: 9.73 1.05 7.93 0.76 88.33 1214.73 180.05 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 5602140 7397164 386736 4.76 66036 1904316 557164 6.07 505344 1686248 278048 01:10:17 5209452 7395480 371912 4.57 87584 2259904 647648 7.05 591964 2031804 200 01:20:17 5132376 7372888 393740 4.84 88028 2313556 843848 9.19 613856 2075848 1524 Average: 5314656 7388511 384129 4.72 80549 2159259 682887 7.44 570388 1931300 93257 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:00:07 ens3 29.53 21.08 170.26 5.55 0.00 0.00 0.00 0.00 01:10:17 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 01:10:17 ens3 69.40 53.24 149.77 9.34 0.00 0.00 0.00 0.00 01:20:17 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:17 ens3 37.58 36.45 11.60 5.10 0.00 0.00 0.00 0.00 Average: lo 1.11 1.11 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 45.59 36.96 110.95 6.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3012) 09/08/26 _x86_64_ (2 CPU) 00:44:04 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 4.65 0.00 0.92 0.29 0.01 94.13 01:00:07 0 1.61 0.00 0.71 0.43 0.01 97.24 01:00:07 1 7.69 0.00 1.13 0.16 0.01 91.02 01:10:17 all 10.15 0.00 1.61 0.39 0.02 87.84 01:10:17 0 14.00 0.00 1.83 0.47 0.02 83.68 01:10:17 1 6.35 0.00 1.40 0.30 0.01 91.94 01:20:17 all 4.90 0.00 0.59 0.03 0.02 94.46 01:20:17 0 3.26 0.00 0.60 0.03 0.02 96.10 01:20:17 1 6.55 0.00 0.59 0.04 0.01 92.81 Average: all 6.57 0.00 1.04 0.24 0.01 92.14 Average: 0 6.27 0.00 1.04 0.31 0.01 92.36 Average: 1 6.87 0.00 1.04 0.17 0.01 91.91