---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57842 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 767 5165 4 2303 7174 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:e3:92:d9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83404sec preferred_lft 83404sec inet6 fe80::f816:3eff:fee3:92d9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57842) 09/24/26 _x86_64_ (2 CPU) 00:42:40 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:25 26.00 2.72 21.02 2.26 215.06 3423.33 1134.89 01:10:01 1.32 0.00 1.31 0.02 0.00 25.25 0.57 01:20:01 1.32 0.00 1.31 0.01 0.01 15.61 0.21 01:30:25 1.51 0.00 1.49 0.02 0.00 18.21 0.22 Average: 7.72 0.70 6.43 0.59 55.37 895.81 292.40 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:25 5176048 7412648 352848 4.34 86816 2310032 830012 9.04 590744 2071092 2532 01:10:01 5173804 7410860 354604 4.36 86976 2310364 830244 9.04 590932 2071584 160 01:20:01 5172128 7409684 355752 4.37 87124 2310720 830244 9.04 591136 2072084 268 01:30:25 5164208 7402340 363032 4.46 87288 2311128 830456 9.05 591484 2072596 228 Average: 5171547 7408883 356559 4.38 87051 2310561 830239 9.04 591074 2071839 797 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:25 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:00:25 ens3 73.32 52.50 313.72 11.45 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 3.15 0.35 0.54 0.21 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.85 0.19 0.12 0.05 0.00 0.00 0.00 0.00 01:30:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:25 ens3 1.08 0.21 8.25 0.09 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 20.11 13.70 83.05 3.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57842) 09/24/26 _x86_64_ (2 CPU) 00:42:40 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:25 all 11.17 0.00 2.01 0.74 0.01 86.07 01:00:25 0 12.14 0.00 2.03 0.57 0.01 85.25 01:00:25 1 10.20 0.00 1.99 0.90 0.01 86.90 01:10:01 all 0.37 0.00 0.14 0.01 0.01 99.46 01:10:01 0 0.55 0.00 0.10 0.00 0.01 99.34 01:10:01 1 0.20 0.00 0.18 0.02 0.01 99.58 01:20:01 all 0.39 0.00 0.14 0.01 0.01 99.45 01:20:01 0 0.50 0.00 0.07 0.00 0.00 99.43 01:20:01 1 0.28 0.00 0.21 0.02 0.01 99.48 01:30:25 all 0.38 0.00 0.21 0.01 0.01 99.39 01:30:25 0 0.48 0.00 0.16 0.00 0.00 99.35 01:30:25 1 0.27 0.00 0.27 0.02 0.01 99.43 Average: all 3.16 0.00 0.64 0.20 0.01 95.99 Average: 0 3.51 0.00 0.61 0.15 0.00 95.74 Average: 1 2.82 0.00 0.68 0.25 0.01 96.24