---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-46253 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 7.9G 30G 21% / 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 757 5181 4 2296 7184 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:b5:2d:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.115/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83502sec preferred_lft 83502sec inet6 fe80::f816:3eff:feb5:2db7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46253) 08/31/26 _x86_64_ (2 CPU) 02:45:15 LINUX RESTART (2 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:00 9.06 1.19 7.11 0.75 103.31 1017.79 266.44 03:10:00 15.38 0.01 1.21 14.16 0.20 23.41 106704.45 03:20:00 2.37 0.71 1.65 0.01 94.36 92.56 6.35 03:30:00 1.60 0.01 1.57 0.02 1.05 25.96 50.05 Average: 7.10 0.48 2.88 3.73 49.73 289.93 26757.27 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:00 5234648 7408092 358232 4.40 85984 2248596 681548 7.42 520056 2075204 176 03:10:00 5236396 7412872 353288 4.34 86132 2251464 681716 7.43 520468 2078204 264 03:20:00 5168588 7378840 386860 4.76 86548 2284748 855904 9.32 539260 2101580 136 03:30:00 5192172 7405296 360524 4.43 86684 2287456 660044 7.19 533560 2103980 156 Average: 5207951 7401275 364726 4.48 86337 2268066 719803 7.84 528336 2089742 183 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:00 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 03:00:00 ens3 78.75 64.94 49.26 11.24 0.00 0.00 0.00 0.00 03:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:00 ens3 10.20 10.05 2.39 0.72 0.00 0.00 0.00 0.00 03:20:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 24.44 24.22 8.37 1.82 0.00 0.00 0.00 0.00 03:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:00 ens3 13.10 12.88 2.58 0.95 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 31.62 28.02 15.65 3.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-46253) 08/31/26 _x86_64_ (2 CPU) 02:45:15 LINUX RESTART (2 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:00 all 5.19 0.00 1.29 0.14 0.02 93.36 03:00:00 0 5.20 0.00 1.29 0.20 0.02 93.29 03:00:00 1 5.18 0.00 1.30 0.08 0.01 93.43 03:10:00 all 1.64 0.00 0.38 0.04 0.01 97.93 03:10:00 0 1.53 0.00 0.40 0.07 0.01 98.00 03:10:00 1 1.76 0.00 0.36 0.01 0.01 97.86 03:20:00 all 2.23 0.00 0.57 0.07 0.01 97.12 03:20:00 0 2.79 0.00 0.55 0.11 0.01 96.53 03:20:00 1 1.68 0.00 0.58 0.03 0.01 97.70 03:30:00 all 1.40 0.00 0.43 0.01 0.01 98.15 03:30:00 0 1.59 0.00 0.44 0.02 0.01 97.94 03:30:00 1 1.21 0.00 0.42 0.00 0.01 98.36 Average: all 2.62 0.00 0.67 0.06 0.01 96.64 Average: 0 2.78 0.00 0.67 0.10 0.01 96.44 Average: 1 2.46 0.00 0.67 0.03 0.01 96.84