---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60544 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 8.1G 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 5059 4 2413 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:5f:6f:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.213/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80322sec preferred_lft 80322sec inet6 fe80::f816:3eff:fe5f:6f88/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60544) 09/29/26 _x86_64_ (2 CPU) 00:48:59 LINUX RESTART (2 CPU) 00:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 4.01 1.66 2.30 0.06 138.88 254.61 645.90 01:10:05 24.34 1.54 20.49 2.31 129.74 3458.91 1305.24 01:20:05 1.25 0.00 1.22 0.02 0.01 21.80 0.88 01:30:01 1.42 0.00 1.40 0.02 0.00 21.28 0.29 01:40:05 1.40 0.00 1.37 0.03 0.00 129.83 0.24 01:50:05 1.26 0.00 1.23 0.03 0.00 17.32 0.43 02:00:05 15.75 0.00 1.52 14.22 0.15 21.03 106115.77 02:10:01 1.35 0.00 1.33 0.02 0.00 27.87 355.70 02:20:05 1.30 0.00 1.27 0.03 0.20 52.75 2.63 02:30:05 7.23 0.13 5.36 1.74 10.43 451.46 2019.57 Average: 5.93 0.33 3.75 1.85 27.94 445.75 11044.47 00:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6021684 7424320 388500 4.78 38272 1565044 804952 8.77 563716 1310088 45812 01:10:05 5133788 7376628 388824 4.78 87804 2315356 844536 9.20 612124 2077172 456 01:20:05 5074204 7319208 446208 5.49 87980 2317344 880284 9.59 639288 2079336 480 01:30:01 5092372 7338576 426720 5.25 88120 2318416 880312 9.59 639688 2080476 252 01:40:05 5051096 7332156 433016 5.32 88340 2352872 889884 9.69 648456 2115160 224 01:50:05 5054136 7336196 428960 5.27 88568 2353632 889884 9.69 648416 2116020 320 02:00:05 5049584 7332660 432456 5.32 88768 2354424 889884 9.69 648648 2116856 300 02:10:01 5037808 7325060 440004 5.41 88912 2358404 885232 9.64 643808 2120980 1140 02:20:05 5053704 7352220 412664 5.07 89080 2369368 860072 9.37 618616 2132096 524 02:30:05 5198796 7370096 403836 4.97 92400 2246928 839264 9.14 636068 2010396 29872 Average: 5176717 7350712 420119 5.17 83824 2255179 866430 9.44 629883 2015858 7938 00:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 20.90 11.13 69.18 4.40 0.00 0.00 0.00 0.00 01:10:05 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:10:05 ens3 71.68 51.82 445.39 8.83 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 13.31 10.23 167.89 1.00 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 3.33 2.74 5.15 0.52 0.00 0.00 0.00 0.00 01:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 4.68 3.54 36.79 0.37 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 2.56 1.68 0.31 0.22 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 2.50 1.68 0.31 0.22 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 11.26 10.92 149.82 1.44 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 18.75 18.44 296.29 1.98 0.00 0.00 0.00 0.00 02:30:05 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:30:05 ens3 15.35 12.65 73.29 11.60 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 16.44 12.49 124.54 3.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60544) 09/29/26 _x86_64_ (2 CPU) 00:48:59 LINUX RESTART (2 CPU) 00:50:05 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 1.39 0.00 0.41 0.07 0.00 98.13 01:00:05 0 0.88 0.00 0.46 0.05 0.00 98.61 01:00:05 1 1.90 0.00 0.35 0.10 0.00 97.66 01:10:05 all 11.59 0.00 2.00 0.59 0.01 85.80 01:10:05 0 13.67 0.00 2.01 0.58 0.01 83.72 01:10:05 1 9.51 0.00 2.00 0.60 0.01 87.88 01:20:05 all 0.81 0.00 0.25 0.01 0.00 98.92 01:20:05 0 0.59 0.00 0.13 0.01 0.00 99.27 01:20:05 1 1.02 0.00 0.38 0.01 0.01 98.58 01:30:01 all 0.72 0.00 0.25 0.01 0.01 99.01 01:30:01 0 0.55 0.00 0.21 0.01 0.01 99.22 01:30:01 1 0.88 0.00 0.28 0.01 0.01 98.81 01:40:05 all 0.57 0.00 0.16 0.02 0.00 99.24 01:40:05 0 0.60 0.00 0.11 0.02 0.00 99.27 01:40:05 1 0.55 0.00 0.22 0.02 0.00 99.21 01:50:05 all 0.48 0.00 0.16 0.01 0.00 99.35 01:50:05 0 0.50 0.00 0.20 0.00 0.01 99.30 01:50:05 1 0.47 0.00 0.12 0.02 0.00 99.39 02:00:05 all 0.54 0.00 0.26 0.04 0.00 99.15 02:00:05 0 0.45 0.00 0.30 0.00 0.01 99.25 02:00:05 1 0.62 0.00 0.23 0.08 0.00 99.06 02:10:01 all 1.28 0.00 0.28 0.01 0.00 98.43 02:10:01 0 1.12 0.00 0.18 0.00 0.01 98.70 02:10:01 1 1.44 0.00 0.38 0.02 0.00 98.15 02:20:05 all 1.44 0.00 0.39 0.01 0.00 98.16 02:20:05 0 1.66 0.00 0.50 0.01 0.01 97.82 02:20:05 1 1.22 0.00 0.27 0.01 0.00 98.50 02:30:05 all 5.55 0.00 0.81 0.16 0.01 93.47 02:30:05 0 2.59 0.00 0.81 0.16 0.01 96.42 02:30:05 1 8.51 0.00 0.81 0.16 0.01 90.51 Average: all 2.46 0.00 0.50 0.09 0.00 96.94 Average: 0 2.29 0.00 0.50 0.08 0.01 97.12 Average: 1 2.62 0.00 0.51 0.10 0.00 96.76