---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61909 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 757 5176 4 2302 7184 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:ff:94:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80578sec preferred_lft 80578sec inet6 fe80::f816:3eff:feff:947d/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-61909) 10/04/26 _x86_64_ (2 CPU) 01:41:21 LINUX RESTART (2 CPU) 01:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:12 2.10 0.34 1.74 0.03 43.67 108.29 442.99 02:10:01 1.21 0.02 1.18 0.02 1.68 14.90 50.70 02:20:02 1.18 0.00 1.16 0.02 0.01 14.38 49.65 02:30:14 1.43 0.00 1.40 0.03 0.00 17.50 676.14 02:40:01 1.27 0.00 1.25 0.02 0.00 15.58 50.86 02:50:14 14.27 0.00 1.32 12.95 0.14 16.31 106655.24 03:00:02 1.38 0.00 1.35 0.03 0.00 17.56 697.94 03:10:01 15.90 1.60 13.42 0.88 113.64 2255.74 1209.99 Average: 4.88 0.24 2.85 1.79 19.90 307.75 14060.47 01:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:12 6238236 7525480 294048 3.62 31172 1462228 722088 7.86 457804 1213220 164 02:10:01 6220592 7508860 310660 3.82 31356 1463060 722276 7.87 458412 1213796 160 02:20:02 6220592 7509396 310100 3.81 31560 1463384 722224 7.87 458392 1214324 184 02:30:14 6223780 7513220 306232 3.77 31764 1463776 722288 7.87 458480 1214856 124 02:40:01 6223780 7513768 305560 3.76 31972 1464224 722280 7.87 458520 1215396 240 02:50:14 6228192 7518908 300476 3.69 32188 1464604 725384 7.90 460248 1215952 164 03:00:02 6240772 7532160 287092 3.53 32384 1465060 725464 7.90 460664 1216476 188 03:10:01 5427420 7385132 394104 4.85 72756 2056832 836888 9.12 602716 1832328 42664 Average: 6127920 7500866 313534 3.86 36894 1537896 737362 8.03 476904 1292044 5486 01:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:12 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.85 0.32 3.34 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.43 0.08 0.07 0.04 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.45 0.04 0.05 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 0.33 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.41 0.06 0.08 0.04 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 0.32 0.03 0.03 0.01 0.00 0.00 0.00 0.00 03:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 0.49 0.17 0.08 0.46 0.00 0.00 0.00 0.00 03:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 48.32 34.14 283.77 6.47 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.45 4.36 35.96 0.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61909) 10/04/26 _x86_64_ (2 CPU) 01:41:21 LINUX RESTART (2 CPU) 01:50:14 CPU %user %nice %system %iowait %steal %idle 02:00:12 all 0.42 0.00 0.22 0.03 0.00 99.32 02:00:12 0 0.31 0.00 0.22 0.03 0.00 99.44 02:00:12 1 0.52 0.00 0.23 0.04 0.00 99.20 02:10:01 all 0.28 0.00 0.09 0.01 0.00 99.61 02:10:01 0 0.49 0.00 0.07 0.01 0.00 99.42 02:10:01 1 0.08 0.00 0.11 0.01 0.00 99.80 02:20:02 all 0.24 0.00 0.07 0.02 0.00 99.66 02:20:02 0 0.26 0.00 0.07 0.00 0.00 99.67 02:20:02 1 0.23 0.00 0.08 0.04 0.00 99.66 02:30:14 all 0.28 0.00 0.20 0.02 0.00 99.51 02:30:14 0 0.15 0.00 0.19 0.00 0.00 99.66 02:30:14 1 0.41 0.00 0.20 0.04 0.00 99.36 02:40:01 all 0.25 0.00 0.10 0.02 0.00 99.63 02:40:01 0 0.44 0.00 0.07 0.00 0.00 99.49 02:40:01 1 0.07 0.00 0.12 0.03 0.01 99.77 02:50:14 all 0.30 0.00 0.11 0.04 0.00 99.55 02:50:14 0 0.49 0.00 0.06 0.00 0.00 99.45 02:50:14 1 0.10 0.00 0.15 0.09 0.00 99.65 03:00:02 all 0.30 0.00 0.19 0.01 0.01 99.49 03:00:02 0 0.31 0.00 0.18 0.00 0.01 99.51 03:00:02 1 0.28 0.00 0.21 0.02 0.01 99.48 03:10:01 all 6.41 0.00 1.07 0.45 0.01 92.06 03:10:01 0 8.25 0.00 1.19 0.52 0.01 90.05 03:10:01 1 4.56 0.00 0.95 0.39 0.01 94.08 Average: all 1.06 0.00 0.26 0.08 0.00 98.60 Average: 0 1.34 0.00 0.26 0.07 0.00 98.33 Average: 1 0.78 0.00 0.26 0.08 0.00 98.87