---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-114 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 8.2G 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 789 4985 4 2468 7152 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:8e:87:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84376sec preferred_lft 84376sec inet6 fe80::f816:3eff:fe8e:8788/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-114) 09/05/26 _x86_64_ (2 CPU) 01:06:33 LINUX RESTART (2 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:02 11.97 1.24 9.45 1.28 108.80 1251.51 846.84 01:30:10 1.46 0.01 1.44 0.02 0.05 33.51 1.83 01:40:00 5.55 0.09 4.33 1.13 6.58 284.73 205.67 Average: 6.31 0.45 5.06 0.81 38.55 523.06 351.14 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:02 5217984 7402128 365064 4.49 87328 2258192 613020 6.68 584792 2029152 144 01:30:10 5199108 7388620 378256 4.65 87512 2263392 613116 6.68 585080 2034520 680 01:40:00 5161368 7379156 387260 4.76 90424 2288352 594796 6.48 595220 2060900 28524 Average: 5192820 7389968 376860 4.63 88421 2269979 606977 6.61 588364 2041524 9783 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:02 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:20:02 ens3 9.57 6.89 36.00 1.85 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 1.18 0.72 0.25 0.21 0.00 0.00 0.00 0.00 01:40:00 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 01:40:00 ens3 7.38 5.80 10.42 10.14 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 6.01 4.45 15.53 4.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-114) 09/05/26 _x86_64_ (2 CPU) 01:06:33 LINUX RESTART (2 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:02 all 7.83 0.00 0.97 0.17 0.01 91.02 01:20:02 0 8.44 0.00 0.95 0.20 0.01 90.39 01:20:02 1 7.23 0.00 0.98 0.14 0.01 91.65 01:30:10 all 1.73 0.00 0.29 0.01 0.01 97.96 01:30:10 0 1.20 0.00 0.29 0.01 0.00 98.49 01:30:10 1 2.26 0.00 0.30 0.01 0.01 97.42 01:40:00 all 5.04 0.00 0.60 0.10 0.01 94.24 01:40:00 0 2.34 0.00 0.53 0.11 0.01 97.00 01:40:00 1 7.75 0.00 0.67 0.10 0.01 91.48 Average: all 4.86 0.00 0.62 0.09 0.01 94.42 Average: 0 4.00 0.00 0.59 0.11 0.01 95.29 Average: 1 5.72 0.00 0.65 0.08 0.01 93.54