---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6493 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 8.1G 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 774 5096 4 2364 7167 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:f3:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83854sec preferred_lft 83854sec inet6 fe80::f816:3eff:fe7f:f30a/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-6493) 09/10/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 24.55 2.86 19.45 2.25 224.74 3407.16 1253.20 01:10:03 2.39 0.33 2.01 0.05 43.36 243.73 4.11 01:20:03 1.38 0.00 1.34 0.03 0.01 92.00 0.72 Average: 9.40 1.06 7.58 0.77 89.10 1242.83 417.45 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5270492 7453476 313704 3.86 87376 2256660 576172 6.28 542216 2029240 26084 01:10:03 5126908 7359848 406852 5.00 87852 2306092 865712 9.43 611340 2069060 392 01:20:03 5132800 7388536 377848 4.65 88060 2328340 860476 9.37 615152 2091520 252 Average: 5176733 7400620 366135 4.50 87763 2297031 767453 8.36 589569 2063273 8909 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:00:01 ens3 78.40 52.45 323.24 11.84 0.00 0.00 0.00 0.00 01:10:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 36.41 30.22 11.01 4.04 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 45.67 44.01 10.09 6.16 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 53.43 42.19 114.31 7.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6493) 09/10/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 11.98 0.00 2.17 0.59 0.02 85.24 01:00:01 0 13.58 0.00 2.15 0.46 0.02 83.80 01:00:01 1 10.38 0.00 2.20 0.73 0.02 86.68 01:10:03 all 4.67 0.00 0.66 0.03 0.02 94.62 01:10:03 0 4.22 0.00 0.62 0.02 0.02 95.12 01:10:03 1 5.13 0.00 0.69 0.04 0.02 94.12 01:20:03 all 7.16 0.00 0.71 0.01 0.02 92.10 01:20:03 0 3.85 0.00 0.68 0.01 0.02 95.44 01:20:03 1 10.53 0.00 0.74 0.01 0.02 88.70 Average: all 7.95 0.00 1.18 0.21 0.02 90.64 Average: 0 7.22 0.00 1.15 0.16 0.02 91.45 Average: 1 8.69 0.00 1.22 0.26 0.02 89.81