---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6931 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 8.0G 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 775 5175 4 2284 7166 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:a2:ff:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84157sec preferred_lft 84157sec inet6 fe80::f816:3eff:fea2:ff92/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6931) 09/11/26 _x86_64_ (2 CPU) 00:40:17 LINUX RESTART (2 CPU) 00:50:43 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:17 2.13 0.34 1.74 0.05 45.07 111.72 1.41 01:10:42 1.25 0.00 1.23 0.02 0.00 15.38 1.38 Average: 1.67 0.17 1.48 0.03 21.57 61.49 1.39 00:50:43 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:17 5133792 7357268 408864 5.03 87856 2296584 853344 9.29 611732 2058740 164 01:10:42 5148464 7372476 393660 4.84 88004 2296968 853576 9.30 613184 2059276 140 Average: 5141128 7364872 401262 4.93 87930 2296776 853460 9.30 612458 2059008 152 00:50:43 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:17 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 1.96 0.43 3.68 0.08 0.00 0.00 0.00 0.00 01:10:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:42 ens3 3.00 0.46 0.59 0.26 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.51 0.44 2.07 0.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6931) 09/11/26 _x86_64_ (2 CPU) 00:40:17 LINUX RESTART (2 CPU) 00:50:43 CPU %user %nice %system %iowait %steal %idle 01:00:17 all 0.59 0.00 0.27 0.02 0.03 99.09 01:00:17 0 0.64 0.00 0.16 0.02 0.02 99.17 01:00:17 1 0.55 0.00 0.38 0.03 0.04 99.01 01:10:42 all 0.39 0.00 0.14 0.01 0.02 99.45 01:10:42 0 0.43 0.00 0.08 0.00 0.01 99.47 01:10:42 1 0.34 0.00 0.19 0.01 0.03 99.42 Average: all 0.49 0.00 0.20 0.01 0.02 99.28 Average: 0 0.53 0.00 0.12 0.01 0.01 99.33 Average: 1 0.44 0.00 0.28 0.02 0.03 99.22