---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3005 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 8.1G 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 751 5085 4 2399 7190 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:dd:df:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.172/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80065sec preferred_lft 80065sec inet6 fe80::f816:3eff:fedd:dfc9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3005) 09/08/26 _x86_64_ (2 CPU) 00:43:56 LINUX RESTART (2 CPU) 00:50:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 12.24 1.41 10.26 0.58 105.15 1433.89 794.16 01:10:14 15.63 1.43 12.37 1.83 118.88 2250.13 1254.17 01:20:14 15.54 0.01 1.35 14.19 0.16 22.25 106401.53 01:30:14 2.14 0.32 1.79 0.02 43.08 110.15 1.01 01:40:07 1.44 0.00 1.44 0.00 0.00 132.39 0.00 01:50:14 1.27 0.00 1.27 0.00 0.00 16.73 0.00 02:00:14 1.50 0.00 1.48 0.01 0.00 22.49 396.66 02:10:14 1.35 0.00 1.35 0.00 0.20 51.20 0.00 02:20:07 1.30 0.00 1.30 0.01 0.00 25.15 0.47 Average: 5.83 0.35 3.63 1.85 29.78 453.01 12111.93 00:50:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 5654788 7476616 306744 3.77 66280 1930456 565288 6.16 496824 1711936 201240 01:10:14 5145040 7333844 433364 5.33 87808 2262112 676184 7.36 614420 2034836 144 01:20:14 5157564 7348536 418624 5.15 87976 2264124 684652 7.46 614756 2036980 232 01:30:14 5099988 7330996 435484 5.35 88392 2303600 885664 9.65 632820 2066732 236 01:40:07 5063972 7329932 436044 5.36 88544 2337924 909736 9.91 655864 2101200 120 01:50:14 5063348 7330212 435752 5.36 88684 2338680 909736 9.91 656172 2101964 192 02:00:14 5067156 7335464 430396 5.29 88816 2339936 892004 9.72 638712 2103236 180 02:10:14 5067772 7347320 418320 5.14 88940 2350920 893252 9.73 639492 2114328 352 02:20:07 5049648 7332148 433416 5.33 89088 2353664 893604 9.73 640196 2117236 172 Average: 5152142 7351674 416460 5.12 86059 2275713 812236 8.85 621028 2043161 22541 00:50:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 01:00:08 ens3 30.89 22.46 205.81 5.79 0.00 0.00 0.00 0.00 01:10:14 lo 1.19 1.19 0.07 0.07 0.00 0.00 0.00 0.00 01:10:14 ens3 48.87 38.21 320.43 7.43 0.00 0.00 0.00 0.00 01:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 10.62 9.47 140.05 0.96 0.00 0.00 0.00 0.00 01:30:14 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 2.46 1.98 8.30 0.45 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 4.23 3.30 37.27 0.35 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 2.66 1.74 0.36 0.25 0.00 0.00 0.00 0.00 02:00:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:14 ens3 4.59 3.76 9.11 0.70 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 11.49 11.24 158.89 1.36 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 16.50 16.24 281.69 1.57 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 14.72 12.05 128.97 2.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3005) 09/08/26 _x86_64_ (2 CPU) 00:43:56 LINUX RESTART (2 CPU) 00:50:14 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 4.82 0.00 0.91 0.32 0.01 93.94 01:00:08 0 5.57 0.00 0.99 0.11 0.01 93.32 01:00:08 1 4.07 0.00 0.84 0.53 0.01 94.55 01:10:14 all 7.93 0.00 1.46 0.28 0.01 90.31 01:10:14 0 8.47 0.00 1.40 0.27 0.01 89.85 01:10:14 1 7.40 0.00 1.52 0.29 0.01 90.78 01:20:14 all 0.85 0.00 0.27 0.04 0.01 98.83 01:20:14 0 0.63 0.00 0.18 0.06 0.01 99.13 01:20:14 1 1.08 0.00 0.36 0.02 0.01 98.54 01:30:14 all 1.09 0.00 0.32 0.02 0.01 98.56 01:30:14 0 0.97 0.00 0.30 0.02 0.01 98.70 01:30:14 1 1.23 0.00 0.34 0.03 0.02 98.39 01:40:07 all 0.65 0.00 0.20 0.02 0.01 99.12 01:40:07 0 0.61 0.00 0.23 0.01 0.01 99.14 01:40:07 1 0.70 0.00 0.17 0.02 0.01 99.11 01:50:14 all 0.59 0.00 0.17 0.01 0.01 99.23 01:50:14 0 0.61 0.00 0.11 0.01 0.01 99.26 01:50:14 1 0.57 0.00 0.22 0.00 0.01 99.19 02:00:14 all 0.81 0.00 0.26 0.01 0.01 98.91 02:00:14 0 0.87 0.00 0.21 0.02 0.01 98.90 02:00:14 1 0.75 0.00 0.31 0.00 0.01 98.93 02:10:14 all 1.83 0.00 0.36 0.01 0.01 97.80 02:10:14 0 2.25 0.00 0.47 0.02 0.01 97.25 02:10:14 1 1.41 0.00 0.25 0.00 0.00 98.33 02:20:07 all 1.17 0.00 0.33 0.01 0.01 98.49 02:20:07 0 1.66 0.00 0.45 0.01 0.01 97.87 02:20:07 1 0.68 0.00 0.21 0.01 0.01 99.09 Average: all 2.21 0.00 0.48 0.08 0.01 97.22 Average: 0 2.41 0.00 0.48 0.06 0.01 97.03 Average: 1 2.01 0.00 0.47 0.10 0.01 97.41