---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6218 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 779 5116 4 2348 7162 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:07:1c:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80050sec preferred_lft 80050sec inet6 fe80::f816:3eff:fe07:1c80/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6218) 09/09/26 _x86_64_ (2 CPU) 01:07:49 LINUX RESTART (2 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.37 0.03 1.34 0.00 1.26 16.57 0.01 01:30:27 1.57 0.01 1.55 0.02 0.05 19.49 204.85 01:40:27 15.19 0.33 1.64 13.22 43.64 105.99 109064.71 01:50:01 1.25 0.00 1.25 0.00 0.00 15.28 0.00 02:00:27 1.47 0.00 1.46 0.01 0.00 18.23 613.32 02:10:17 1.31 0.00 1.31 0.00 0.00 15.66 0.00 02:20:01 1.35 0.00 1.33 0.02 0.00 16.30 45.93 02:30:27 1.58 0.00 1.55 0.03 0.00 19.18 461.69 02:40:27 1.34 0.00 1.32 0.02 0.00 16.25 44.77 02:50:27 40.45 16.36 21.69 2.39 374.75 3585.02 1890.20 Average: 6.67 1.67 3.44 1.56 41.81 381.47 11195.93 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6287164 7533932 286608 3.52 30532 1423116 522384 5.69 444912 1183896 160 01:30:27 6280420 7527760 292696 3.60 30748 1423448 522484 5.69 445020 1184444 176 01:40:27 6219768 7507012 312448 3.84 31356 1462240 721544 7.86 461824 1213732 128 01:50:01 6227016 7514744 304788 3.75 31508 1462568 721672 7.86 461852 1214212 276 02:00:27 6220532 7508952 310504 3.82 31700 1463028 721672 7.86 462212 1214736 132 02:10:17 6220532 7509444 310004 3.81 31860 1463356 721672 7.86 462228 1215224 164 02:20:01 6220532 7509952 309464 3.81 32068 1463680 722216 7.87 462932 1215724 240 02:30:27 6221132 7511184 308200 3.79 32312 1464012 722208 7.87 462988 1216332 132 02:40:27 6230888 7521484 297964 3.66 32520 1464340 722240 7.87 463064 1216868 132 02:50:27 4815232 7091520 665548 8.18 91616 2337156 1036300 11.29 802372 2102528 496 Average: 6094322 7473598 339822 4.18 37622 1542694 713439 7.77 492940 1297770 204 01:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.79 0.09 0.21 0.05 0.00 0.00 0.00 0.00 01:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:27 ens3 0.50 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:40:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:27 ens3 0.71 0.38 3.34 0.06 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 0.43 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 0.28 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.32 0.03 0.03 0.01 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 0.34 0.13 0.05 0.53 0.00 0.00 0.00 0.00 02:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:27 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 0.41 0.10 0.12 0.07 0.00 0.00 0.00 0.00 02:50:27 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:50:27 ens3 120.71 104.97 1492.23 83.78 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 12.52 10.56 149.07 8.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6218) 09/09/26 _x86_64_ (2 CPU) 01:07:49 LINUX RESTART (2 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.28 0.00 0.10 0.01 0.01 99.60 01:20:01 0 0.24 0.00 0.10 0.02 0.01 99.62 01:20:01 1 0.31 0.00 0.09 0.00 0.01 99.58 01:30:27 all 0.26 0.00 0.19 0.01 0.01 99.52 01:30:27 0 0.31 0.00 0.19 0.02 0.01 99.47 01:30:27 1 0.21 0.00 0.20 0.00 0.01 99.58 01:40:27 all 0.45 0.00 0.15 0.06 0.01 99.34 01:40:27 0 0.63 0.00 0.12 0.03 0.00 99.22 01:40:27 1 0.27 0.00 0.18 0.09 0.01 99.46 01:50:01 all 0.26 0.00 0.08 0.01 0.00 99.65 01:50:01 0 0.45 0.00 0.06 0.00 0.00 99.49 01:50:01 1 0.07 0.00 0.11 0.01 0.01 99.80 02:00:27 all 0.29 0.00 0.17 0.01 0.01 99.52 02:00:27 0 0.49 0.00 0.17 0.00 0.01 99.33 02:00:27 1 0.10 0.00 0.17 0.02 0.00 99.71 02:10:17 all 0.27 0.00 0.09 0.01 0.01 99.63 02:10:17 0 0.47 0.00 0.06 0.01 0.00 99.47 02:10:17 1 0.06 0.00 0.12 0.02 0.01 99.79 02:20:01 all 0.26 0.00 0.08 0.07 0.01 99.58 02:20:01 0 0.44 0.00 0.07 0.07 0.01 99.41 02:20:01 1 0.08 0.00 0.09 0.07 0.01 99.75 02:30:27 all 0.29 0.00 0.16 0.01 0.01 99.53 02:30:27 0 0.50 0.00 0.11 0.02 0.01 99.36 02:30:27 1 0.09 0.00 0.20 0.00 0.01 99.70 02:40:27 all 0.26 0.00 0.09 0.01 0.01 99.64 02:40:27 0 0.45 0.00 0.05 0.02 0.01 99.47 02:40:27 1 0.07 0.00 0.12 0.00 0.01 99.80 02:50:27 all 15.73 0.18 2.63 0.94 0.03 80.48 02:50:27 0 19.80 0.13 2.94 0.90 0.04 76.20 02:50:27 1 11.69 0.23 2.33 0.99 0.02 84.74 Average: all 1.83 0.02 0.37 0.11 0.01 97.66 Average: 0 2.36 0.01 0.38 0.11 0.01 97.12 Average: 1 1.29 0.02 0.36 0.12 0.01 98.19