---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6206 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 780 5163 4 2291 7161 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:0c:a9:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80031sec preferred_lft 80031sec inet6 fe80::f816:3eff:fe0c:a913/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6206) 09/09/26 _x86_64_ (2 CPU) 01:07:30 LINUX RESTART (2 CPU) 01:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:06 1.27 0.05 1.22 0.00 3.40 15.75 0.05 01:30:01 14.82 0.01 1.48 13.33 0.20 18.67 110615.35 01:40:16 1.07 0.00 1.05 0.02 0.00 14.05 0.14 01:50:16 1.17 0.00 1.15 0.02 0.00 14.85 0.13 02:00:01 1.92 0.34 1.55 0.03 44.58 107.76 478.04 02:10:06 1.19 0.00 1.17 0.02 0.00 14.85 54.30 02:20:28 1.17 0.00 1.17 0.00 0.00 14.52 0.00 02:30:01 1.33 0.00 1.32 0.01 0.00 16.71 446.44 02:40:26 1.14 0.00 1.14 0.00 0.00 14.46 0.00 02:50:26 25.48 2.83 20.30 2.35 222.64 3571.71 1428.84 Average: 5.03 0.32 3.15 1.56 26.88 378.88 11170.92 01:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:06 6278828 7526316 294136 3.62 30552 1423800 519812 5.66 445660 1183960 308 01:30:01 6285248 7533356 286760 3.53 30760 1424176 519872 5.66 445800 1184516 160 01:40:16 6285024 7533680 286488 3.52 30988 1424500 519872 5.66 445928 1185056 244 01:50:16 6283516 7532736 287460 3.53 31204 1424828 521784 5.68 447416 1185612 188 02:00:01 6236208 7525536 293472 3.61 31880 1463716 712896 7.76 464436 1214964 280 02:10:06 6240772 7530640 288328 3.55 32092 1464032 740120 8.06 467428 1215496 216 02:20:28 6240520 7530864 288120 3.54 32244 1464364 740120 8.06 468408 1215968 184 02:30:01 6234504 7525348 293632 3.61 32412 1464684 740120 8.06 469196 1216464 332 02:40:26 6232236 7523576 295376 3.63 32564 1465020 740228 8.06 471380 1216952 188 02:50:26 5129876 7353488 412224 5.07 89180 2295192 874836 9.53 629648 2058532 1336 Average: 6144673 7511554 302600 3.72 37388 1531431 662966 7.22 475530 1287752 344 01:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 1.86 0.12 0.24 0.06 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 0.52 0.07 0.09 0.04 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 0.31 0.06 0.06 0.03 0.00 0.00 0.00 0.00 01:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:16 ens3 0.32 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:00:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.69 0.36 3.42 0.06 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.36 0.13 0.03 0.54 0.00 0.00 0.00 0.00 02:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:28 ens3 0.25 0.04 0.05 0.01 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 0.22 0.06 0.04 0.02 0.00 0.00 0.00 0.00 02:40:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:26 ens3 0.39 0.11 0.12 0.07 0.00 0.00 0.00 0.00 02:50:26 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:26 ens3 109.99 94.65 348.53 30.90 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 11.45 9.53 35.14 3.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6206) 09/09/26 _x86_64_ (2 CPU) 01:07:30 LINUX RESTART (2 CPU) 01:10:06 CPU %user %nice %system %iowait %steal %idle 01:20:06 all 0.32 0.00 0.13 0.02 0.01 99.52 01:20:06 0 0.19 0.00 0.14 0.01 0.01 99.65 01:20:06 1 0.44 0.00 0.12 0.04 0.01 99.40 01:30:01 all 0.29 0.00 0.23 0.04 0.01 99.43 01:30:01 0 0.33 0.00 0.25 0.05 0.01 99.37 01:30:01 1 0.25 0.00 0.21 0.04 0.01 99.50 01:40:16 all 0.29 0.00 0.12 0.01 0.00 99.58 01:40:16 0 0.09 0.00 0.14 0.00 0.00 99.76 01:40:16 1 0.49 0.00 0.09 0.02 0.00 99.39 01:50:16 all 0.29 0.00 0.11 0.02 0.01 99.58 01:50:16 0 0.09 0.00 0.13 0.01 0.01 99.77 01:50:16 1 0.49 0.00 0.10 0.03 0.01 99.39 02:00:01 all 0.41 0.00 0.23 0.04 0.01 99.32 02:00:01 0 0.71 0.00 0.24 0.04 0.01 99.01 02:00:01 1 0.12 0.00 0.22 0.03 0.01 99.62 02:10:06 all 0.26 0.00 0.09 0.01 0.00 99.62 02:10:06 0 0.28 0.00 0.08 0.02 0.00 99.61 02:10:06 1 0.25 0.00 0.10 0.00 0.00 99.63 02:20:28 all 0.26 0.00 0.08 0.03 0.00 99.62 02:20:28 0 0.26 0.00 0.07 0.05 0.01 99.61 02:20:28 1 0.26 0.00 0.09 0.01 0.00 99.64 02:30:01 all 0.25 0.00 0.17 0.01 0.00 99.56 02:30:01 0 0.43 0.00 0.15 0.00 0.00 99.41 02:30:01 1 0.07 0.00 0.20 0.02 0.01 99.71 02:40:26 all 0.28 0.00 0.09 0.02 0.00 99.61 02:40:26 0 0.33 0.00 0.08 0.00 0.00 99.59 02:40:26 1 0.23 0.00 0.10 0.04 0.00 99.63 02:50:26 all 18.10 0.00 2.31 0.83 0.02 78.73 02:50:26 0 14.76 0.00 2.36 0.97 0.02 81.90 02:50:26 1 21.46 0.00 2.27 0.69 0.02 75.56 Average: all 2.07 0.00 0.35 0.10 0.01 97.47 Average: 0 1.74 0.00 0.36 0.12 0.01 97.78 Average: 1 2.40 0.00 0.35 0.09 0.01 97.16