---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-881 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 794 4942 4 2506 7146 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:13:a1:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84378sec preferred_lft 84378sec inet6 fe80::f816:3eff:fe13:a14e/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-881) 09/07/26 _x86_64_ (2 CPU) 00:48:07 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 19.81 1.51 16.33 1.97 125.99 2915.77 1356.70 01:10:32 1.94 0.31 1.60 0.03 41.05 117.85 2.14 01:20:12 4.41 0.05 3.66 0.71 1.43 239.17 177.57 Average: 8.66 0.62 7.15 0.89 56.55 1084.95 507.71 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 5212520 7395676 371592 4.57 87208 2257200 607852 6.62 584948 2029096 276 01:10:32 5139800 7367728 398616 4.90 87720 2301248 799984 8.71 603036 2063568 488 01:20:12 5154492 7402420 362988 4.46 89568 2318620 750808 8.18 582444 2082640 8776 Average: 5168937 7388608 377732 4.64 88165 2292356 719548 7.84 590143 2058435 3180 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 01:00:01 ens3 22.29 14.33 152.24 2.82 0.00 0.00 0.00 0.00 01:10:32 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:32 ens3 4.11 0.96 3.76 0.31 0.00 0.00 0.00 0.00 01:20:12 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 7.72 4.81 11.82 9.95 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 11.30 6.63 55.60 4.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-881) 09/07/26 _x86_64_ (2 CPU) 00:48:07 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 10.36 0.00 1.52 0.34 0.01 87.77 01:00:01 0 7.24 0.00 1.32 0.30 0.01 91.14 01:00:01 1 13.49 0.00 1.72 0.39 0.01 84.39 01:10:32 all 1.86 0.00 0.24 0.03 0.01 97.87 01:10:32 0 1.32 0.00 0.19 0.03 0.01 98.45 01:10:32 1 2.40 0.00 0.28 0.02 0.01 97.28 01:20:12 all 3.88 0.00 0.44 0.05 0.02 95.61 01:20:12 0 2.69 0.00 0.46 0.06 0.02 96.78 01:20:12 1 5.06 0.00 0.43 0.05 0.01 94.45 Average: all 5.33 0.00 0.73 0.14 0.01 93.79 Average: 0 3.72 0.00 0.65 0.13 0.01 95.49 Average: 1 6.93 0.00 0.81 0.15 0.01 92.09