---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9513 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 8.0G 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 792 5146 4 2296 7149 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:5b:2b:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84914sec preferred_lft 84914sec inet6 fe80::f816:3eff:fe5b:2bf5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9513) 09/19/26 _x86_64_ (2 CPU) 02:39:16 LINUX RESTART (2 CPU) 02:40:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:02 25.84 1.60 21.74 2.50 134.68 3585.04 904.67 03:00:32 1.45 0.01 1.41 0.03 0.05 64.59 6.43 Average: 13.19 0.78 11.20 1.22 64.87 1759.51 438.89 02:40:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:02 5197888 7389208 377856 4.65 86360 2266004 688792 7.50 607260 2036612 304 03:00:32 5176388 7382776 383788 4.72 86572 2280852 765156 8.33 609132 2051672 0 Average: 5187138 7385992 380822 4.68 86466 2273428 726974 7.92 608196 2044142 152 02:40:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:02 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:50:02 ens3 113.60 79.38 271.96 14.20 0.00 0.00 0.00 0.00 03:00:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:32 ens3 86.19 86.77 15.23 6.66 0.00 0.00 0.00 0.00 Average: lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 99.39 83.21 138.84 10.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9513) 09/19/26 _x86_64_ (2 CPU) 02:39:16 LINUX RESTART (2 CPU) 02:40:17 CPU %user %nice %system %iowait %steal %idle 02:50:02 all 13.86 0.00 2.36 0.81 0.07 82.90 02:50:02 0 16.39 0.00 2.45 0.93 0.07 80.17 02:50:02 1 11.32 0.00 2.28 0.70 0.07 85.63 03:00:32 all 4.90 0.00 1.20 0.03 0.08 93.80 03:00:32 0 3.61 0.00 1.23 0.03 0.07 95.06 03:00:32 1 6.20 0.00 1.16 0.03 0.08 92.54 Average: all 9.22 0.00 1.76 0.41 0.07 88.54 Average: 0 9.77 0.00 1.82 0.46 0.07 87.89 Average: 1 8.67 0.00 1.70 0.35 0.07 89.20