---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58798 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 763 5115 4 2364 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:5e:ce:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.249/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78936sec preferred_lft 78936sec inet6 fe80::f816:3eff:fe5e:cef5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58798) 09/26/26 _x86_64_ (2 CPU) 01:04:06 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:14 1.36 0.01 1.35 0.00 0.07 16.32 0.18 01:30:14 15.71 13.53 2.09 0.09 150.99 46.08 344.13 01:40:01 1.34 0.00 1.32 0.02 0.00 15.67 6.72 01:50:14 1.38 0.00 1.36 0.02 0.00 16.56 0.91 02:00:14 2.28 0.32 1.92 0.03 43.08 109.64 424.51 02:10:01 1.35 0.00 1.34 0.01 0.00 16.23 0.67 02:20:14 14.50 0.00 1.52 12.98 0.14 17.58 106639.58 02:30:14 1.64 0.00 1.63 0.01 0.00 19.67 423.39 02:40:01 27.15 2.90 21.93 2.33 228.66 3585.56 899.85 02:50:14 1.30 0.00 1.30 0.00 0.00 16.13 0.00 03:00:01 1.60 0.00 1.59 0.02 0.00 19.78 125.76 Average: 6.30 1.52 3.35 1.43 38.00 345.68 10105.57 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:14 6293548 7545844 274488 3.38 30712 1428172 531060 5.78 445928 1188712 220 01:30:14 6217504 7526856 284352 3.50 34824 1472788 531216 5.79 447004 1236804 216 01:40:01 6218240 7528112 283116 3.48 35012 1473084 531284 5.79 447340 1237316 132 01:50:14 6216728 7527192 284024 3.49 35244 1473436 531400 5.79 447648 1237900 232 02:00:14 6156912 7507484 302692 3.72 35820 1512432 733316 7.99 465620 1267260 168 02:10:01 6156672 7507724 302440 3.72 36000 1512732 733372 7.99 465812 1267736 152 02:20:14 6175616 7527248 282936 3.48 36168 1513132 733372 7.99 466032 1268280 136 02:30:14 6161596 7513748 296352 3.64 36352 1513468 733380 7.99 466056 1268784 216 02:40:01 5094680 7391728 364724 4.48 91660 2357300 834256 9.09 600552 2122456 276 02:50:14 5094428 7391992 364476 4.48 91796 2357696 834324 9.09 600684 2122964 172 03:00:01 5077796 7375816 380584 4.68 91944 2358012 834324 9.09 600684 2123440 240 Average: 5896702 7485795 310926 3.82 50503 1724750 687391 7.49 495760 1485605 196 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 0.95 0.08 0.15 0.07 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 0.46 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.06 0.10 0.05 0.00 0.00 0.00 0.00 01:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:14 ens3 0.43 0.09 0.14 0.08 0.00 0.00 0.00 0.00 02:00:14 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 0.51 0.27 3.32 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 0.38 0.27 0.07 0.69 0.00 0.00 0.00 0.00 02:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:14 ens3 0.19 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:14 ens3 0.24 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:40:01 ens3 75.37 51.84 333.59 11.89 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 2.51 0.29 0.39 0.14 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.64 0.23 0.11 0.06 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 7.33 4.75 30.08 1.17 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58798) 09/26/26 _x86_64_ (2 CPU) 01:04:06 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:14 all 0.26 0.00 0.09 0.01 0.01 99.64 01:20:14 0 0.45 0.00 0.06 0.01 0.01 99.47 01:20:14 1 0.07 0.00 0.11 0.01 0.00 99.81 01:30:14 all 0.31 0.16 0.25 0.18 0.01 99.08 01:30:14 0 0.23 0.17 0.25 0.22 0.02 99.11 01:30:14 1 0.38 0.15 0.26 0.15 0.01 99.05 01:40:01 all 0.25 0.00 0.08 0.01 0.00 99.65 01:40:01 0 0.43 0.00 0.06 0.00 0.00 99.50 01:40:01 1 0.08 0.00 0.11 0.02 0.00 99.79 01:50:14 all 0.27 0.00 0.08 0.01 0.00 99.64 01:50:14 0 0.48 0.00 0.07 0.00 0.00 99.45 01:50:14 1 0.06 0.00 0.09 0.03 0.00 99.83 02:00:14 all 0.43 0.00 0.21 0.03 0.00 99.33 02:00:14 0 0.50 0.00 0.16 0.02 0.00 99.32 02:00:14 1 0.35 0.00 0.26 0.04 0.00 99.34 02:10:01 all 0.28 0.00 0.07 0.01 0.00 99.63 02:10:01 0 0.48 0.00 0.03 0.01 0.00 99.47 02:10:01 1 0.07 0.00 0.11 0.02 0.01 99.79 02:20:14 all 0.26 0.00 0.09 0.05 0.00 99.61 02:20:14 0 0.47 0.00 0.04 0.00 0.00 99.48 02:20:14 1 0.05 0.00 0.13 0.09 0.00 99.74 02:30:14 all 0.28 0.00 0.18 0.01 0.00 99.52 02:30:14 0 0.50 0.00 0.13 0.01 0.00 99.36 02:30:14 1 0.07 0.00 0.22 0.02 0.00 99.69 02:40:01 all 11.67 0.00 2.00 0.84 0.01 85.47 02:40:01 0 11.61 0.00 2.01 1.25 0.01 85.12 02:40:01 1 11.73 0.00 1.99 0.44 0.01 85.82 02:50:14 all 0.40 0.00 0.15 0.01 0.01 99.44 02:50:14 0 0.29 0.00 0.21 0.00 0.01 99.49 02:50:14 1 0.50 0.00 0.09 0.02 0.00 99.39 03:00:01 all 0.40 0.00 0.27 0.01 0.01 99.32 03:00:01 0 0.37 0.00 0.29 0.01 0.01 99.32 03:00:01 1 0.42 0.00 0.25 0.01 0.01 99.31 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.32 0.01 0.31 0.11 0.01 98.24 Average: 0 1.42 0.02 0.30 0.14 0.01 98.13 Average: 1 1.23 0.01 0.33 0.08 0.00 98.35