---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-57866 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 762 5173 4 2299 7178 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:f7:b7:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80675sec preferred_lft 80675sec inet6 fe80::f816:3eff:fef7:b7e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57866) 09/24/26 _x86_64_ (2 CPU) 01:04:42 LINUX RESTART (2 CPU) 01:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:00 1.32 0.01 1.31 0.00 0.07 16.31 0.21 01:30:01 1.44 0.00 1.41 0.03 0.00 17.73 2.65 01:40:16 1.29 0.00 1.28 0.02 0.00 15.70 2.08 01:50:16 15.24 0.33 1.67 13.24 43.64 106.23 108995.41 02:00:01 1.55 0.00 1.52 0.03 0.00 18.71 702.07 02:10:10 1.40 0.00 1.39 0.01 0.00 16.34 39.19 02:20:16 1.42 0.00 1.42 0.00 0.00 16.54 0.00 02:30:00 1.56 0.00 1.55 0.01 0.00 18.21 438.12 Average: 3.15 0.04 1.44 1.67 5.46 28.21 13768.67 01:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:00 6290480 7537644 282580 3.47 30640 1423404 520404 5.67 442896 1184140 204 01:30:01 6302672 7550404 269880 3.32 30856 1423724 520740 5.67 443284 1184688 240 01:40:16 6304880 7553172 267136 3.28 31080 1424056 520796 5.67 443680 1185240 236 01:50:16 6221688 7510024 309344 3.80 31720 1462948 722656 7.87 461800 1214664 180 02:00:01 6234832 7523900 295336 3.63 31944 1463412 722656 7.87 461876 1215224 240 02:10:10 6234832 7524412 294784 3.62 32136 1463736 722720 7.87 462180 1215732 180 02:20:16 6241652 7531736 287452 3.53 32312 1464060 722720 7.87 462272 1216232 180 02:30:00 6240392 7530992 288164 3.54 32468 1464392 722776 7.87 462172 1216728 172 Average: 6258928 7532786 286834 3.53 31644 1448716 646934 7.05 455020 1204081 204 01:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.70 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.97 0.10 8.56 0.08 0.00 0.00 0.00 0.00 01:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:16 ens3 0.61 0.08 0.13 0.06 0.00 0.00 0.00 0.00 01:50:16 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:16 ens3 0.52 0.28 3.32 0.03 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 0.28 0.02 0.03 0.01 0.00 0.00 0.00 0.00 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.35 0.22 0.08 0.56 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.19 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.22 0.04 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 0.48 0.11 1.54 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-57866) 09/24/26 _x86_64_ (2 CPU) 01:04:42 LINUX RESTART (2 CPU) 01:10:00 CPU %user %nice %system %iowait %steal %idle 01:20:00 all 0.26 0.00 0.12 0.01 0.01 99.61 01:20:00 0 0.07 0.00 0.15 0.00 0.01 99.78 01:20:00 1 0.44 0.00 0.09 0.02 0.00 99.45 01:30:01 all 0.27 0.00 0.18 0.01 0.01 99.54 01:30:01 0 0.11 0.00 0.19 0.02 0.01 99.68 01:30:01 1 0.44 0.00 0.17 0.00 0.01 99.39 01:40:16 all 0.26 0.00 0.10 0.01 0.00 99.63 01:40:16 0 0.08 0.00 0.11 0.02 0.00 99.79 01:40:16 1 0.44 0.00 0.08 0.00 0.00 99.47 01:50:16 all 0.40 0.00 0.17 0.06 0.01 99.38 01:50:16 0 0.26 0.00 0.18 0.04 0.01 99.51 01:50:16 1 0.53 0.00 0.15 0.07 0.00 99.25 02:00:01 all 0.27 0.00 0.17 0.01 0.00 99.54 02:00:01 0 0.29 0.00 0.17 0.00 0.00 99.53 02:00:01 1 0.25 0.00 0.18 0.02 0.00 99.55 02:10:10 all 0.29 0.00 0.09 0.01 0.00 99.61 02:10:10 0 0.36 0.00 0.07 0.01 0.00 99.55 02:10:10 1 0.23 0.00 0.11 0.01 0.00 99.66 02:20:16 all 0.26 0.00 0.08 0.01 0.00 99.64 02:20:16 0 0.46 0.00 0.05 0.00 0.00 99.48 02:20:16 1 0.06 0.00 0.11 0.02 0.00 99.80 02:30:00 all 0.26 0.00 0.15 0.01 0.00 99.57 02:30:00 0 0.46 0.00 0.14 0.02 0.00 99.39 02:30:00 1 0.07 0.00 0.17 0.01 0.00 99.75 Average: all 0.28 0.00 0.13 0.02 0.00 99.57 Average: 0 0.26 0.00 0.13 0.01 0.00 99.59 Average: 1 0.31 0.00 0.13 0.02 0.00 99.54