---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8509 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: 5600.00 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 750 5185 4 2300 7191 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:94:60:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80534sec preferred_lft 80534sec inet6 fe80::f816:3eff:fe94:60ee/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-8509) 09/16/26 _x86_64_ (2 CPU) 01:05:12 LINUX RESTART (2 CPU) 01:10:31 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:27 1.32 0.03 1.29 0.00 1.22 15.54 0.08 01:30:21 1.31 0.01 1.27 0.03 0.05 16.15 1.10 01:40:21 14.44 0.00 1.21 13.23 0.15 14.85 109059.90 01:50:02 1.78 0.34 1.42 0.03 44.93 106.52 31.34 02:00:11 1.24 0.00 1.21 0.03 0.00 15.30 468.94 02:10:01 1.23 0.00 1.22 0.01 0.00 14.98 40.44 02:20:21 1.26 0.00 1.26 0.00 0.00 15.25 0.00 02:30:41 1.43 0.00 1.42 0.01 0.00 17.64 618.94 02:40:11 28.08 3.15 22.50 2.42 241.30 3796.33 1526.64 Average: 5.65 0.37 3.53 1.74 30.57 426.03 12456.74 01:10:31 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:27 6290364 7537536 282332 3.47 30624 1423388 523104 5.70 447580 1184212 216 01:30:21 6279168 7526896 293004 3.60 30832 1423720 522864 5.70 446756 1184752 200 01:40:21 6278916 7527196 292708 3.60 31016 1424088 522928 5.70 446872 1185276 156 01:50:02 6226412 7514696 304432 3.74 31672 1462944 724596 7.89 464924 1214640 212 02:00:11 6229944 7518800 300236 3.69 31876 1463276 724660 7.89 465300 1215176 204 02:10:01 6235292 7524816 294212 3.62 32084 1463732 724660 7.89 465344 1215712 188 02:20:21 6233780 7523824 295180 3.63 32236 1464092 724724 7.89 465540 1216224 124 02:30:41 6223892 7514584 304328 3.74 32408 1464552 724764 7.89 466104 1216728 184 02:40:11 5172240 7406060 359396 4.42 89668 2304764 824536 8.98 599096 2068504 312 Average: 6130001 7510490 302870 3.72 38046 1543840 668537 7.28 474168 1300136 200 01:10:31 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.79 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 0.39 0.06 0.07 0.03 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 0.39 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.52 0.29 3.42 0.03 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.32 0.04 0.06 0.03 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 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.29 0.18 0.04 0.52 0.00 0.00 0.00 0.00 02:30:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:41 ens3 0.28 0.05 0.07 0.04 0.00 0.00 0.00 0.00 02:40:11 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 02:40:11 ens3 112.09 82.51 350.28 18.65 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.23 8.83 37.54 2.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8509) 09/16/26 _x86_64_ (2 CPU) 01:05:12 LINUX RESTART (2 CPU) 01:10:31 CPU %user %nice %system %iowait %steal %idle 01:20:27 all 0.27 0.00 0.09 0.01 0.02 99.61 01:20:27 0 0.07 0.00 0.11 0.00 0.02 99.80 01:20:27 1 0.47 0.00 0.08 0.02 0.02 99.42 01:30:21 all 0.29 0.00 0.18 0.01 0.02 99.49 01:30:21 0 0.15 0.00 0.20 0.02 0.03 99.61 01:30:21 1 0.43 0.00 0.16 0.01 0.02 99.38 01:40:21 all 0.27 0.00 0.10 0.04 0.02 99.57 01:40:21 0 0.14 0.00 0.13 0.07 0.03 99.63 01:40:21 1 0.41 0.00 0.06 0.00 0.02 99.51 01:50:02 all 0.43 0.00 0.14 0.03 0.02 99.39 01:50:02 0 0.47 0.00 0.16 0.02 0.02 99.32 01:50:02 1 0.38 0.00 0.11 0.04 0.02 99.46 02:00:11 all 0.30 0.00 0.16 0.01 0.02 99.50 02:00:11 0 0.32 0.00 0.15 0.00 0.02 99.51 02:00:11 1 0.29 0.00 0.17 0.02 0.02 99.50 02:10:01 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:01 0 0.15 0.00 0.10 0.01 0.02 99.73 02:10:01 1 0.35 0.00 0.07 0.02 0.02 99.54 02:20:21 all 0.27 0.00 0.10 0.02 0.02 99.59 02:20:21 0 0.09 0.00 0.11 0.00 0.03 99.76 02:20:21 1 0.44 0.00 0.09 0.03 0.02 99.42 02:30:41 all 0.30 0.00 0.19 0.02 0.03 99.46 02:30:41 0 0.09 0.00 0.20 0.02 0.04 99.65 02:30:41 1 0.51 0.00 0.18 0.02 0.02 99.28 02:40:11 all 15.91 0.00 2.56 0.67 0.05 80.82 02:40:11 0 14.22 0.00 2.42 0.38 0.05 82.93 02:40:11 1 17.59 0.00 2.69 0.96 0.05 78.71 Average: all 1.95 0.00 0.39 0.09 0.02 97.55 Average: 0 1.67 0.00 0.39 0.06 0.03 97.86 Average: 1 2.23 0.00 0.39 0.12 0.02 97.24