---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9457 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 767 5169 4 2298 7174 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:bd:2b:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80559sec preferred_lft 80559sec inet6 fe80::f816:3eff:febd:2b5c/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-9457) 09/19/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:25 1.49 0.03 1.44 0.01 1.31 17.19 39.79 01:30:15 1.52 0.00 1.50 0.03 0.00 18.26 484.38 01:40:15 14.62 0.00 1.38 13.24 0.15 16.43 109010.46 01:50:01 1.30 0.00 1.28 0.02 0.00 15.44 45.85 02:00:05 1.52 0.00 1.49 0.03 0.00 17.85 473.08 02:10:35 1.35 0.00 1.33 0.02 0.00 15.80 42.64 02:20:01 1.39 0.00 1.37 0.02 0.00 16.13 47.44 02:30:35 1.60 0.00 1.57 0.03 0.00 18.91 441.54 02:40:05 27.19 2.99 21.65 2.55 235.41 3743.74 1201.34 Average: 5.65 0.32 3.57 1.76 25.10 411.86 12462.28 01:10:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:25 6236344 7523328 295960 3.64 31092 1462056 722500 7.87 460548 1213056 228 01:30:15 6224692 7512276 306968 3.77 31324 1462388 722580 7.87 458788 1213616 188 01:40:15 6224692 7512876 306276 3.77 31524 1462764 722700 7.87 459140 1214164 240 01:50:01 6232016 7520768 298376 3.67 31736 1463108 750024 8.17 462400 1214660 276 02:00:05 6222340 7511640 307452 3.78 31944 1463440 750032 8.17 463476 1215192 224 02:10:35 6222340 7512356 306740 3.77 32152 1463928 750064 8.17 464696 1215772 216 02:20:01 6222340 7512824 306232 3.77 32336 1464220 750064 8.17 465140 1216236 248 02:30:35 6238144 7529380 289660 3.56 32568 1464716 750128 8.17 467588 1216844 180 02:40:05 5155928 7388744 377012 4.64 88436 2304804 851004 9.27 616284 2067432 404 Average: 6108760 7502688 310520 3.82 38124 1556825 752122 8.19 479784 1309664 245 01:10:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.86 0.14 0.19 0.10 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 1.16 0.06 12.50 0.04 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.62 0.09 0.10 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.54 0.27 0.14 0.69 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.42 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:10:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:35 ens3 0.25 0.05 0.05 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.16 0.02 0.01 0.01 0.00 0.00 0.00 0.00 02:30:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:35 ens3 0.36 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:40:05 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:40:05 ens3 108.45 75.73 351.12 18.84 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 11.98 8.11 38.65 2.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9457) 09/19/26 _x86_64_ (2 CPU) 01:05:04 LINUX RESTART (2 CPU) 01:10:25 CPU %user %nice %system %iowait %steal %idle 01:20:25 all 0.30 0.00 0.12 0.01 0.02 99.54 01:20:25 0 0.51 0.00 0.11 0.02 0.02 99.35 01:20:25 1 0.10 0.00 0.14 0.00 0.02 99.74 01:30:15 all 0.32 0.00 0.19 0.02 0.01 99.47 01:30:15 0 0.48 0.00 0.17 0.00 0.01 99.34 01:30:15 1 0.16 0.00 0.21 0.03 0.01 99.59 01:40:15 all 0.28 0.00 0.11 0.04 0.01 99.56 01:40:15 0 0.49 0.00 0.11 0.06 0.01 99.33 01:40:15 1 0.08 0.00 0.10 0.02 0.01 99.79 01:50:01 all 0.30 0.00 0.10 0.02 0.01 99.58 01:50:01 0 0.51 0.00 0.09 0.01 0.01 99.38 01:50:01 1 0.08 0.00 0.11 0.03 0.01 99.77 02:00:05 all 0.29 0.00 0.18 0.02 0.01 99.50 02:00:05 0 0.41 0.00 0.17 0.02 0.01 99.39 02:00:05 1 0.17 0.00 0.19 0.01 0.01 99.62 02:10:35 all 0.27 0.00 0.08 0.04 0.01 99.61 02:10:35 0 0.40 0.00 0.06 0.07 0.00 99.47 02:10:35 1 0.14 0.00 0.10 0.02 0.01 99.74 02:20:01 all 0.25 0.00 0.08 0.01 0.01 99.65 02:20:01 0 0.06 0.00 0.10 0.00 0.01 99.84 02:20:01 1 0.44 0.00 0.06 0.02 0.01 99.47 02:30:35 all 0.28 0.00 0.15 0.01 0.01 99.55 02:30:35 0 0.08 0.00 0.17 0.01 0.01 99.73 02:30:35 1 0.49 0.00 0.13 0.02 0.00 99.36 02:40:05 all 16.11 0.00 2.48 0.98 0.03 80.41 02:40:05 0 17.38 0.00 2.59 1.03 0.03 78.97 02:40:05 1 14.83 0.00 2.36 0.94 0.03 81.84 Average: all 1.96 0.00 0.38 0.12 0.01 97.53 Average: 0 2.17 0.00 0.38 0.13 0.01 97.31 Average: 1 1.76 0.00 0.37 0.12 0.01 97.75