---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6233 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 8.1G 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 804 5020 4 2411 7137 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:2a:49:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83964sec preferred_lft 83964sec inet6 fe80::f816:3eff:fe2a:4965/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6233) 09/09/26 _x86_64_ (2 CPU) 02:50:35 LINUX RESTART (2 CPU) 03:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:01 1.93 0.35 1.57 0.02 44.80 153.89 0.25 03:20:21 1.32 0.00 1.31 0.00 0.01 114.71 0.08 03:30:21 4.54 0.05 3.62 0.87 1.83 412.01 1832.59 Average: 2.59 0.13 2.16 0.30 15.06 226.44 610.96 03:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:01 5121700 7356436 409672 5.04 86272 2309660 882888 9.62 614568 2070700 376 03:20:21 5104760 7370984 394596 4.85 86428 2340512 906176 9.87 621804 2101748 224 03:30:21 5150512 7315372 458984 5.64 88380 2245104 867700 9.45 687264 2007980 27280 Average: 5125657 7347597 421084 5.18 87027 2298425 885588 9.65 641212 2060143 9293 03:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 6.12 6.33 7.46 1.07 0.00 0.00 0.00 0.00 03:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:21 ens3 60.05 56.33 27.63 5.53 0.00 0.00 0.00 0.00 03:30:21 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 03:30:21 ens3 41.08 36.00 31.45 18.03 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 36.34 33.43 22.40 8.26 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6233) 09/09/26 _x86_64_ (2 CPU) 02:50:35 LINUX RESTART (2 CPU) 03:00:21 CPU %user %nice %system %iowait %steal %idle 03:10:01 all 4.30 0.00 0.36 0.02 0.01 95.30 03:10:01 0 5.49 0.00 0.38 0.01 0.02 94.11 03:10:01 1 3.11 0.00 0.34 0.04 0.01 96.49 03:20:21 all 6.75 0.00 1.21 0.01 0.02 92.00 03:20:21 0 4.52 0.00 1.09 0.02 0.02 94.35 03:20:21 1 9.01 0.00 1.33 0.00 0.02 89.63 03:30:21 all 7.81 0.00 1.17 0.08 0.02 90.93 03:30:21 0 4.63 0.00 0.98 0.11 0.01 94.26 03:30:21 1 11.04 0.00 1.36 0.05 0.02 87.53 Average: all 6.31 0.00 0.92 0.04 0.02 92.71 Average: 0 4.87 0.00 0.83 0.05 0.02 94.25 Average: 1 7.76 0.00 1.02 0.03 0.02 91.17