---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61217 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 777 5164 4 2293 7164 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:34:da:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83317sec preferred_lft 83317sec inet6 fe80::f816:3eff:fe34:dafa/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-61217) 10/02/26 _x86_64_ (2 CPU) 00:42:29 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 17.89 1.64 14.71 1.54 119.22 2455.93 450.01 01:10:20 8.47 1.16 6.63 0.69 101.21 1012.61 310.11 01:20:01 1.18 0.00 1.18 0.01 0.01 14.71 0.80 01:30:20 2.09 0.31 1.76 0.02 41.74 105.76 0.43 Average: 7.48 0.79 6.13 0.57 66.28 907.74 192.16 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 5363440 7364220 409832 5.04 78028 2090200 657960 7.17 587812 1879332 80368 01:10:20 5199668 7393852 372484 4.58 87640 2267548 654192 7.13 600344 2039376 188 01:20:01 5198660 7393340 372952 4.59 87780 2267900 654468 7.13 600696 2039876 184 01:30:20 5111780 7345916 419988 5.16 88204 2306924 856556 9.33 619028 2069116 132 Average: 5218387 7374332 393814 4.84 85413 2233143 705794 7.69 601970 2006925 20218 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.23 1.23 0.07 0.07 0.00 0.00 0.00 0.00 01:00:15 ens3 47.51 33.21 283.83 7.00 0.00 0.00 0.00 0.00 01:10:20 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 32.26 20.20 37.19 5.12 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 2.83 0.32 0.45 0.14 0.00 0.00 0.00 0.00 01:30:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 1.52 0.40 4.94 0.09 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 21.20 13.67 82.78 3.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61217) 10/02/26 _x86_64_ (2 CPU) 00:42:29 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 8.51 0.00 1.46 0.51 0.01 89.51 01:00:15 0 11.76 0.00 1.62 0.59 0.01 86.02 01:00:15 1 5.27 0.00 1.30 0.43 0.01 92.99 01:10:20 all 3.21 0.00 0.70 0.15 0.01 95.93 01:10:20 0 3.76 0.00 0.58 0.11 0.01 95.55 01:10:20 1 2.66 0.00 0.81 0.20 0.01 96.32 01:20:01 all 0.35 0.00 0.15 0.01 0.01 99.49 01:20:01 0 0.40 0.00 0.13 0.01 0.01 99.44 01:20:01 1 0.29 0.00 0.16 0.01 0.01 99.53 01:30:20 all 0.54 0.00 0.27 0.02 0.01 99.15 01:30:20 0 0.79 0.00 0.23 0.04 0.00 98.94 01:30:20 1 0.30 0.00 0.32 0.01 0.01 99.37 Average: all 3.19 0.00 0.65 0.18 0.01 95.97 Average: 0 4.23 0.00 0.65 0.19 0.01 94.93 Average: 1 2.15 0.00 0.66 0.16 0.01 97.02