---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60358 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 798 5015 4 2423 7143 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:9f:89:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83956sec preferred_lft 83956sec inet6 fe80::f816:3eff:fe9f:898b/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-60358) 09/28/26 _x86_64_ (2 CPU) 02:50:26 LINUX RESTART (2 CPU) 03:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 1.32 0.01 1.29 0.02 0.25 56.46 3.08 03:20:14 1.35 0.00 1.33 0.02 0.01 111.25 3.00 03:30:14 6.91 0.45 5.24 1.23 53.31 648.41 2247.25 Average: 3.18 0.15 2.61 0.42 17.76 271.24 746.98 03:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5165240 7378344 388004 4.77 87672 2286532 707660 7.71 613456 2058588 1096 03:20:14 5132672 7374876 391144 4.81 87852 2315268 728756 7.94 618208 2087472 216 03:30:14 5142548 7314576 459048 5.64 90680 2249492 826312 9.00 638420 2011792 9968 Average: 5146820 7355932 412732 5.08 88735 2283764 754243 8.22 623361 2052617 3760 03:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 6.48 6.65 4.20 1.15 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 70.05 61.87 28.91 5.84 0.00 0.00 0.00 0.00 03:30:14 lo 1.65 1.65 0.12 0.12 0.00 0.00 0.00 0.00 03:30:14 ens3 43.79 36.98 36.80 18.81 0.00 0.00 0.00 0.00 Average: lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 40.38 35.40 23.38 8.59 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60358) 09/28/26 _x86_64_ (2 CPU) 02:50:26 LINUX RESTART (2 CPU) 03:00:04 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 2.99 0.00 0.29 0.01 0.01 96.70 03:10:01 0 3.59 0.00 0.30 0.01 0.01 96.09 03:10:01 1 2.40 0.00 0.28 0.01 0.01 97.30 03:20:14 all 5.53 0.00 1.08 0.01 0.01 93.37 03:20:14 0 3.53 0.00 0.92 0.01 0.01 95.53 03:20:14 1 7.55 0.00 1.25 0.01 0.01 91.18 03:30:14 all 8.33 0.00 1.25 0.12 0.01 90.29 03:30:14 0 8.22 0.00 1.24 0.10 0.01 90.43 03:30:14 1 8.43 0.00 1.26 0.14 0.02 90.15 Average: all 5.62 0.00 0.88 0.05 0.01 93.45 Average: 0 5.10 0.00 0.82 0.04 0.01 94.04 Average: 1 6.13 0.00 0.93 0.05 0.01 92.87