---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60338 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 5116 4 2363 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:1d:7b:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.253/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79987sec preferred_lft 79987sec inet6 fe80::f816:3eff:fe1d:7beb/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-60338) 09/28/26 _x86_64_ (2 CPU) 01:05:26 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:08 1.43 0.03 1.41 0.00 1.24 16.90 4.92 01:30:08 1.61 0.01 1.57 0.03 0.05 19.45 897.87 01:40:01 1.45 0.02 1.42 0.02 1.67 16.89 45.47 01:50:08 1.37 0.00 1.35 0.02 0.00 16.13 49.11 02:00:08 14.77 0.00 1.52 13.25 0.15 18.80 109865.39 02:10:01 1.37 0.00 1.35 0.02 0.00 16.14 50.34 02:20:08 15.39 13.37 1.95 0.07 148.79 43.97 65.89 02:30:08 1.60 0.00 1.58 0.03 0.00 19.51 50.04 02:40:01 1.44 0.00 1.42 0.02 0.00 16.72 45.27 02:50:08 29.18 2.85 23.51 2.81 221.71 3793.77 2902.81 Average: 7.00 1.64 3.73 1.63 37.75 401.68 11387.62 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:08 6232684 7519592 300136 3.69 31012 1462056 733060 7.98 462912 1212900 180 01:30:08 6237388 7524916 294696 3.62 31252 1462388 733276 7.99 463688 1213472 180 01:40:01 6219304 7507864 311776 3.83 31460 1463204 733428 7.99 464452 1214056 128 01:50:08 6234732 7523900 295692 3.64 31660 1463604 733428 7.99 464492 1214592 136 02:00:08 6234836 7524616 294844 3.63 31876 1463984 733428 7.99 464540 1215160 196 02:10:01 6238596 7529036 290404 3.57 32084 1464436 733492 7.99 464692 1215684 256 02:20:08 6160912 7508464 301844 3.71 36112 1509176 733580 7.99 465980 1263724 320 02:30:08 6168272 7516392 293836 3.61 36332 1509508 733580 7.99 466000 1264264 248 02:40:01 6168272 7516932 293328 3.61 36528 1509832 733580 7.99 465988 1264796 240 02:50:08 5246172 7352876 412948 5.08 92148 2174844 863068 9.40 648100 1940212 16064 Average: 6114117 7502459 308950 3.80 39046 1548303 746392 8.13 483084 1301886 1795 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.75 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.48 0.07 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 0.93 0.11 6.21 0.06 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.25 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 0.22 0.02 0.03 0.01 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 0.27 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.31 0.16 0.04 0.59 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.20 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 0.24 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:50:08 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 02:50:08 ens3 81.72 58.46 331.54 14.23 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 8.62 5.96 34.15 1.52 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60338) 09/28/26 _x86_64_ (2 CPU) 01:05:26 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:08 all 0.26 0.00 0.08 0.02 0.00 99.65 01:20:08 0 0.09 0.00 0.09 0.03 0.00 99.79 01:20:08 1 0.43 0.00 0.06 0.00 0.00 99.51 01:30:08 all 0.31 0.00 0.18 0.01 0.00 99.49 01:30:08 0 0.22 0.00 0.21 0.02 0.00 99.55 01:30:08 1 0.40 0.00 0.16 0.01 0.00 99.43 01:40:01 all 0.29 0.00 0.08 0.02 0.00 99.61 01:40:01 0 0.06 0.00 0.10 0.03 0.00 99.81 01:40:01 1 0.52 0.00 0.06 0.00 0.00 99.41 01:50:08 all 0.26 0.00 0.07 0.01 0.00 99.66 01:50:08 0 0.05 0.00 0.10 0.02 0.00 99.83 01:50:08 1 0.46 0.00 0.05 0.01 0.00 99.48 02:00:08 all 0.28 0.00 0.19 0.04 0.00 99.48 02:00:08 0 0.10 0.00 0.22 0.08 0.00 99.61 02:00:08 1 0.46 0.00 0.17 0.01 0.01 99.36 02:10:01 all 0.27 0.00 0.08 0.01 0.00 99.64 02:10:01 0 0.06 0.00 0.12 0.02 0.00 99.80 02:10:01 1 0.47 0.00 0.04 0.01 0.00 99.48 02:20:08 all 0.26 0.15 0.14 0.17 0.00 99.29 02:20:08 0 0.24 0.29 0.20 0.32 0.00 98.95 02:20:08 1 0.27 0.00 0.08 0.01 0.00 99.63 02:30:08 all 0.26 0.00 0.16 0.02 0.00 99.56 02:30:08 0 0.47 0.00 0.13 0.03 0.00 99.37 02:30:08 1 0.06 0.00 0.18 0.00 0.01 99.75 02:40:01 all 0.27 0.00 0.07 0.01 0.00 99.65 02:40:01 0 0.48 0.00 0.05 0.02 0.00 99.45 02:40:01 1 0.05 0.00 0.10 0.00 0.01 99.84 02:50:08 all 14.34 0.00 2.30 0.90 0.01 82.44 02:50:08 0 12.56 0.00 2.24 0.82 0.01 84.36 02:50:08 1 16.12 0.00 2.36 0.98 0.02 80.51 Average: all 1.69 0.01 0.34 0.12 0.00 97.83 Average: 0 1.45 0.03 0.35 0.14 0.00 98.03 Average: 1 1.94 0.00 0.33 0.10 0.00 97.62