---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61225 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 768 5093 4 2375 7173 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:5b:f1:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.99/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83892sec preferred_lft 83892sec inet6 fe80::f816:3eff:fe5b:f1d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61225) 10/02/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:17 20.21 2.02 16.59 1.60 166.98 2627.46 464.82 01:10:14 9.38 1.17 7.50 0.71 102.56 1081.23 308.14 01:20:14 1.38 0.00 1.37 0.01 0.01 70.35 0.77 Average: 10.29 1.06 8.46 0.77 89.54 1254.89 257.06 00:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:17 5337452 7364888 409180 5.03 76936 2117916 826980 9.01 586608 1896188 72444 01:10:14 5154472 7396144 369408 4.54 87200 2314796 841156 9.16 607444 2076420 168 01:20:14 5132632 7391816 373696 4.60 87348 2332152 845056 9.20 611336 2093932 1392 Average: 5208185 7384283 384095 4.72 83828 2254955 837731 9.12 601796 2022180 24668 00:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:17 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:00:17 ens3 48.68 34.07 293.03 7.17 0.00 0.00 0.00 0.00 01:10:14 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 61.48 49.21 47.62 8.46 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 39.53 36.54 8.78 5.22 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 49.88 39.95 115.94 6.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61225) 10/02/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:24 CPU %user %nice %system %iowait %steal %idle 01:00:17 all 8.98 0.00 1.56 1.11 0.01 88.34 01:00:17 0 6.05 0.00 1.37 1.36 0.01 91.21 01:00:17 1 11.91 0.00 1.74 0.87 0.01 85.47 01:10:14 all 5.58 0.00 1.04 0.20 0.01 93.17 01:10:14 0 5.94 0.00 1.08 0.30 0.01 92.67 01:10:14 1 5.21 0.00 1.00 0.10 0.02 93.68 01:20:14 all 3.66 0.00 0.53 0.06 0.01 95.74 01:20:14 0 4.40 0.00 0.54 0.03 0.01 95.02 01:20:14 1 2.93 0.00 0.53 0.08 0.01 96.45 Average: all 6.08 0.00 1.04 0.46 0.01 92.41 Average: 0 5.46 0.00 1.00 0.57 0.01 92.96 Average: 1 6.70 0.00 1.09 0.35 0.01 91.85