---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3049 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 754 5163 4 2318 7187 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:4e:5f:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80243sec preferred_lft 80243sec inet6 fe80::f816:3eff:fe4e:5f46/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3049) 09/08/26 _x86_64_ (2 CPU) 01:07:16 LINUX RESTART (2 CPU) 01:10:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:21 1.93 0.36 1.56 0.01 44.75 105.62 5.15 01:30:01 1.40 0.01 1.37 0.02 0.06 17.35 476.82 01:40:21 1.19 0.00 1.17 0.02 0.00 14.73 52.98 01:50:21 14.48 0.00 1.25 13.23 0.15 15.36 109011.17 02:00:01 1.36 0.00 1.34 0.03 0.00 16.80 487.59 02:10:21 1.16 0.00 1.14 0.02 0.00 14.58 52.93 02:20:04 1.38 0.03 1.33 0.02 2.21 16.46 51.20 02:30:01 1.40 0.00 1.37 0.03 0.00 17.38 478.58 02:40:21 1.22 0.00 1.21 0.02 0.00 15.26 48.15 Average: 2.83 0.04 1.30 1.49 5.23 25.93 12292.68 01:10:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:21 6239480 7525220 294304 3.62 31052 1460912 719960 7.84 460556 1212584 168 01:30:01 6243224 7529544 289972 3.57 31256 1461212 720040 7.84 460428 1213116 240 01:40:21 6240956 7527824 291652 3.59 31468 1461568 720044 7.84 460832 1213656 168 01:50:21 6248544 7536016 283432 3.49 31652 1461940 721008 7.85 461972 1214212 188 02:00:01 6238800 7526900 292536 3.60 31844 1462376 721028 7.85 462052 1214704 188 02:10:21 6245356 7534016 285460 3.51 32048 1462720 721032 7.85 462080 1215260 236 02:20:04 6239608 7529420 290044 3.57 32252 1463660 721032 7.85 462804 1215844 236 02:30:01 6237452 7527792 291540 3.58 32440 1463988 721076 7.85 462860 1216348 268 02:40:21 6237452 7528344 290972 3.58 32640 1464348 721076 7.85 462880 1216892 132 Average: 6241208 7529453 289990 3.57 31850 1462525 720700 7.85 461829 1214735 203 01:10:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 1.72 0.52 3.43 0.08 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 0.54 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:21 ens3 0.34 0.07 0.07 0.05 0.00 0.00 0.00 0.00 01:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:21 ens3 0.43 0.16 0.09 0.51 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 0.44 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 0.17 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.23 0.06 0.05 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 0.24 0.05 0.05 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 0.12 0.44 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3049) 09/08/26 _x86_64_ (2 CPU) 01:07:16 LINUX RESTART (2 CPU) 01:10:21 CPU %user %nice %system %iowait %steal %idle 01:20:21 all 0.45 0.00 0.13 0.03 0.01 99.38 01:20:21 0 0.26 0.00 0.16 0.01 0.01 99.57 01:20:21 1 0.64 0.00 0.11 0.05 0.00 99.19 01:30:01 all 0.26 0.00 0.16 0.01 0.01 99.56 01:30:01 0 0.22 0.00 0.17 0.00 0.01 99.60 01:30:01 1 0.31 0.00 0.15 0.02 0.01 99.52 01:40:21 all 0.26 0.00 0.08 0.01 0.00 99.65 01:40:21 0 0.47 0.00 0.06 0.00 0.00 99.47 01:40:21 1 0.05 0.00 0.10 0.02 0.00 99.82 01:50:21 all 0.26 0.00 0.11 0.04 0.00 99.59 01:50:21 0 0.46 0.00 0.07 0.01 0.00 99.46 01:50:21 1 0.07 0.00 0.14 0.07 0.01 99.72 02:00:01 all 0.26 0.00 0.15 0.01 0.00 99.57 02:00:01 0 0.46 0.00 0.13 0.02 0.00 99.39 02:00:01 1 0.06 0.00 0.18 0.01 0.00 99.75 02:10:21 all 0.27 0.00 0.06 0.01 0.00 99.65 02:10:21 0 0.50 0.00 0.03 0.02 0.00 99.45 02:10:21 1 0.04 0.00 0.09 0.01 0.00 99.86 02:20:04 all 0.27 0.00 0.10 0.01 0.00 99.62 02:20:04 0 0.21 0.00 0.10 0.02 0.00 99.67 02:20:04 1 0.34 0.00 0.09 0.00 0.00 99.57 02:30:01 all 0.25 0.00 0.14 0.01 0.00 99.59 02:30:01 0 0.06 0.00 0.17 0.02 0.00 99.74 02:30:01 1 0.43 0.00 0.11 0.01 0.00 99.45 02:40:21 all 0.24 0.00 0.08 0.01 0.00 99.67 02:40:21 0 0.05 0.00 0.11 0.02 0.00 99.82 02:40:21 1 0.43 0.00 0.05 0.00 0.00 99.52 Average: all 0.28 0.00 0.11 0.02 0.00 99.59 Average: 0 0.30 0.00 0.11 0.01 0.00 99.58 Average: 1 0.26 0.00 0.11 0.02 0.00 99.60