---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8260 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 852 4963 4 2420 7089 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:2b:0f:03 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.148/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83547sec preferred_lft 83547sec inet6 fe80::f816:3eff:fe2b:f03/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8260) 09/15/26 _x86_64_ (2 CPU) 00:38:52 LINUX RESTART (2 CPU) 00:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 21.83 1.58 18.02 2.23 132.27 3211.23 1458.46 01:00:01 1.55 0.01 1.50 0.04 0.05 72.04 3.61 01:10:02 1.84 0.32 1.50 0.02 43.00 130.87 2.93 01:20:02 1.34 0.02 1.32 0.00 0.61 39.32 0.04 Average: 6.50 0.47 5.47 0.56 43.21 842.36 356.48 00:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 5186628 7391432 375520 4.62 87204 2278872 703372 7.66 594216 2051252 600 01:00:01 5163800 7384640 381880 4.70 87424 2294624 670628 7.30 594408 2067216 292 01:10:02 5105976 7374596 391024 4.81 87892 2341352 872332 9.50 612920 2104336 476 01:20:02 5080904 7356796 408708 5.03 88048 2348368 872652 9.50 613284 2111388 272 Average: 5134327 7376866 389283 4.79 87642 2315804 779746 8.49 603707 2083548 410 00:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.25 1.25 0.08 0.08 0.00 0.00 0.00 0.00 00:50:02 ens3 97.07 73.00 211.90 14.80 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 25.76 23.97 9.54 2.81 0.00 0.00 0.00 0.00 01:10:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 15.40 12.12 7.93 1.58 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 15.43 12.92 3.18 1.83 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 37.88 30.12 56.76 5.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8260) 09/15/26 _x86_64_ (2 CPU) 00:38:52 LINUX RESTART (2 CPU) 00:40:23 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 13.38 0.00 2.34 0.43 0.03 83.83 00:50:02 0 15.76 0.00 2.41 0.48 0.02 81.32 00:50:02 1 11.01 0.00 2.26 0.37 0.03 86.32 01:00:01 all 5.28 0.00 1.00 0.01 0.02 93.69 01:00:01 0 4.10 0.00 0.86 0.01 0.02 95.02 01:00:01 1 6.45 0.00 1.15 0.01 0.02 92.37 01:10:02 all 2.98 0.00 0.54 0.03 0.02 96.44 01:10:02 0 4.48 0.00 0.58 0.02 0.02 94.90 01:10:02 1 1.49 0.00 0.49 0.03 0.02 97.96 01:20:02 all 3.93 0.00 0.49 0.01 0.01 95.55 01:20:02 0 2.98 0.00 0.43 0.00 0.02 96.57 01:20:02 1 4.88 0.00 0.56 0.02 0.01 94.53 Average: all 6.34 0.00 1.08 0.11 0.02 92.45 Average: 0 6.76 0.00 1.06 0.12 0.02 92.04 Average: 1 5.91 0.00 1.11 0.11 0.02 92.85