---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58797 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: 5600.02 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 768 5167 4 2299 7173 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:b7:48:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80673sec preferred_lft 80673sec inet6 fe80::f816:3eff:feb7:485e/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-58797) 09/26/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 14.45 0.01 1.22 13.22 0.21 15.68 109085.45 01:30:11 1.36 0.00 1.34 0.02 0.00 17.14 209.99 01:40:01 1.10 0.00 1.10 0.00 0.00 13.87 0.11 01:50:21 1.80 0.32 1.47 0.01 42.13 101.91 0.17 02:00:01 1.40 0.00 1.39 0.02 0.00 17.78 661.85 02:10:01 1.17 0.00 1.16 0.01 0.00 14.96 19.89 02:20:11 1.33 0.01 1.30 0.02 1.63 16.25 44.06 02:30:21 1.50 0.00 1.47 0.03 0.00 18.96 473.39 Average: 3.01 0.04 1.31 1.66 5.65 27.38 13750.52 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6315636 7562792 257856 3.17 30652 1423156 535316 5.83 439564 1184176 204 01:30:11 6302888 7550564 270088 3.32 30816 1423488 535524 5.83 439880 1184672 132 01:40:01 6308500 7556680 263964 3.25 30988 1423816 535592 5.83 440064 1185172 284 01:50:21 6235308 7523492 296192 3.64 31576 1462740 765708 8.34 462556 1214536 140 02:00:01 6241268 7529984 289588 3.56 31748 1463076 765840 8.34 463188 1215040 160 02:10:01 6241268 7530624 288948 3.55 31936 1463516 765840 8.34 464576 1215544 240 02:20:11 6244220 7534748 284808 3.50 32132 1464484 765868 8.34 465832 1216140 136 02:30:21 6229952 7521048 298436 3.67 32348 1464816 765868 8.34 467124 1216684 180 Average: 6264880 7538742 281235 3.46 31524 1448636 679444 7.40 455348 1203996 184 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.96 0.12 0.15 0.07 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.99 0.10 10.15 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.06 0.10 0.05 0.00 0.00 0.00 0.00 01:50:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:21 ens3 0.89 0.60 3.33 0.71 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.34 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.28 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:20:11 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.20 0.05 0.04 0.02 0.00 0.00 0.00 0.00 02:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:21 ens3 0.25 0.05 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.55 0.14 1.77 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58797) 09/26/26 _x86_64_ (2 CPU) 01:03:54 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.25 0.00 0.10 0.05 0.01 99.60 01:20:01 0 0.42 0.00 0.09 0.08 0.01 99.41 01:20:01 1 0.08 0.00 0.11 0.02 0.01 99.79 01:30:11 all 0.29 0.00 0.18 0.01 0.00 99.51 01:30:11 0 0.47 0.00 0.16 0.02 0.00 99.35 01:30:11 1 0.11 0.00 0.21 0.00 0.00 99.67 01:40:01 all 0.27 0.00 0.08 0.01 0.00 99.64 01:40:01 0 0.47 0.00 0.04 0.03 0.00 99.46 01:40:01 1 0.07 0.00 0.11 0.00 0.00 99.81 01:50:21 all 0.44 0.00 0.13 0.03 0.00 99.40 01:50:21 0 0.52 0.00 0.10 0.04 0.00 99.34 01:50:21 1 0.36 0.00 0.16 0.02 0.00 99.46 02:00:01 all 0.26 0.00 0.17 0.02 0.00 99.55 02:00:01 0 0.46 0.00 0.16 0.03 0.00 99.36 02:00:01 1 0.07 0.00 0.18 0.01 0.00 99.75 02:10:01 all 0.27 0.00 0.07 0.01 0.00 99.65 02:10:01 0 0.48 0.00 0.04 0.03 0.00 99.46 02:10:01 1 0.07 0.00 0.09 0.00 0.00 99.84 02:20:11 all 0.27 0.00 0.07 0.02 0.00 99.64 02:20:11 0 0.49 0.00 0.05 0.02 0.00 99.44 02:20:11 1 0.05 0.00 0.10 0.01 0.00 99.84 02:30:21 all 0.28 0.00 0.17 0.02 0.00 99.54 02:30:21 0 0.25 0.00 0.15 0.01 0.00 99.59 02:30:21 1 0.30 0.00 0.18 0.02 0.00 99.50 Average: all 0.29 0.00 0.12 0.02 0.00 99.57 Average: 0 0.44 0.00 0.10 0.03 0.00 99.42 Average: 1 0.14 0.00 0.14 0.01 0.00 99.71