---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1015 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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: 5599.94 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 nrip_save 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 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 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 7.9G 30G 21% / 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 800 5172 4 2258 7141 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:9e:5a:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78805sec preferred_lft 78805sec inet6 fe80::f816:3eff:fe9e:5a6e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1015) 04/07/26 _x86_64_ (2 CPU) 15:56:28 LINUX RESTART (2 CPU) 16:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 1.62 0.03 1.59 0.01 2.34 19.08 0.20 16:20:11 1.43 0.01 1.41 0.02 0.07 16.99 214.98 16:30:09 1.55 0.00 1.52 0.03 0.00 19.09 875.83 16:40:01 1.19 0.00 1.17 0.02 0.00 14.50 1.11 16:50:12 13.63 0.00 1.31 12.32 0.14 15.92 107098.13 17:00:08 1.94 0.43 1.48 0.03 18.10 50.49 659.16 17:10:01 22.43 2.65 17.53 2.25 213.58 3092.15 755.58 17:20:12 1.45 0.00 1.42 0.02 0.00 23.17 1.26 17:30:12 1.68 0.00 1.64 0.04 0.00 22.77 1.43 17:40:01 1.38 0.00 1.36 0.02 0.00 138.79 405.01 17:50:12 1.46 0.00 1.44 0.02 0.00 31.08 1.22 18:00:12 1.81 0.00 1.76 0.05 0.00 28.39 1.84 Average: 4.30 0.26 2.79 1.25 19.30 286.27 9335.31 16:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 6245676 7521232 298588 3.67 30832 1450248 570812 6.22 457864 1200016 160 16:20:11 6255360 7531464 288452 3.55 31040 1450576 526052 5.73 458748 1200556 132 16:30:09 6256516 7533196 286704 3.53 31272 1450904 526052 5.73 458848 1201116 180 16:40:01 6259944 7537160 282732 3.48 31468 1451232 526052 5.73 458852 1201640 128 16:50:12 6267536 7545412 274392 3.37 31684 1451668 526972 5.74 459200 1202200 132 17:00:08 6226968 7520716 298708 3.67 32036 1467112 544796 5.93 486104 1215796 276 17:10:01 5244604 7355644 415980 5.12 85252 2190184 654936 7.13 624508 1948352 128 17:20:12 5228928 7342120 429532 5.28 85420 2192172 663556 7.23 624768 1950508 132 17:30:12 5225632 7340016 431572 5.31 85588 2193192 682244 7.43 644392 1951696 132 17:40:01 5212420 7363300 408208 5.02 85784 2229380 671540 7.31 632068 1988080 276 17:50:12 5101944 7257452 513988 6.32 85948 2233796 711928 7.75 672936 1992648 240 18:00:12 5134996 7292792 478600 5.89 86152 2235840 712332 7.76 672336 1994780 208 Average: 5721710 7428375 367288 4.52 58540 1833025 609773 6.64 554219 1587282 177 16:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:10:01 ens3 1.10 0.04 0.09 0.01 0.00 0.00 0.00 0.00 16:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:20:11 ens3 0.56 0.05 1.87 0.03 0.00 0.00 0.00 0.00 16:30:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:30:09 ens3 0.32 0.03 0.05 0.01 0.00 0.00 0.00 0.00 16:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:40:01 ens3 0.39 0.05 0.23 0.03 0.00 0.00 0.00 0.00 16:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 16:50:12 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 17:00:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 17:00:08 ens3 11.41 4.77 20.42 3.04 0.00 0.00 0.00 0.00 17:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 17:10:01 ens3 69.00 49.07 395.09 9.66 0.00 0.00 0.00 0.00 17:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:20:12 ens3 12.17 10.83 164.86 1.01 0.00 0.00 0.00 0.00 17:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:30:12 ens3 3.35 2.90 5.08 0.48 0.00 0.00 0.00 0.00 17:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:40:01 ens3 13.03 11.87 159.94 1.46 0.00 0.00 0.00 0.00 17:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 17:50:12 ens3 13.62 12.67 166.23 1.43 0.00 0.00 0.00 0.00 18:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 18:00:12 ens3 10.26 10.03 139.98 0.99 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 11.23 8.50 87.69 1.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1015) 04/07/26 _x86_64_ (2 CPU) 15:56:28 LINUX RESTART (2 CPU) 16:00:12 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 0.28 0.00 0.09 0.03 0.03 99.57 16:10:01 0 0.29 0.00 0.07 0.05 0.03 99.56 16:10:01 1 0.27 0.00 0.10 0.01 0.03 99.58 16:20:11 all 0.30 0.00 0.07 0.01 0.03 99.58 16:20:11 0 0.48 0.00 0.06 0.02 0.02 99.42 16:20:11 1 0.11 0.00 0.09 0.01 0.04 99.75 16:30:09 all 0.26 0.00 0.17 0.01 0.03 99.53 16:30:09 0 0.20 0.00 0.15 0.01 0.03 99.60 16:30:09 1 0.31 0.00 0.18 0.02 0.04 99.45 16:40:01 all 0.26 0.00 0.07 0.01 0.03 99.62 16:40:01 0 0.05 0.00 0.09 0.01 0.04 99.82 16:40:01 1 0.47 0.00 0.05 0.01 0.03 99.43 16:50:12 all 0.23 0.00 0.09 0.04 0.03 99.61 16:50:12 0 0.11 0.00 0.10 0.06 0.03 99.69 16:50:12 1 0.34 0.00 0.08 0.02 0.03 99.53 17:00:08 all 0.53 0.00 0.20 0.02 0.03 99.22 17:00:08 0 0.74 0.00 0.16 0.01 0.03 99.06 17:00:08 1 0.31 0.00 0.23 0.04 0.04 99.38 17:10:01 all 10.95 0.00 1.73 0.80 0.07 86.45 17:10:01 0 9.36 0.00 1.61 1.16 0.06 87.80 17:10:01 1 12.54 0.00 1.84 0.45 0.09 85.09 17:20:12 all 0.90 0.00 0.22 0.03 0.06 98.79 17:20:12 0 0.84 0.00 0.22 0.03 0.05 98.84 17:20:12 1 0.96 0.00 0.21 0.03 0.08 98.73 17:30:12 all 7.66 0.00 0.98 0.05 0.07 91.25 17:30:12 0 10.69 0.00 1.30 0.04 0.08 87.89 17:30:12 1 4.62 0.00 0.65 0.06 0.06 94.61 17:40:01 all 3.73 0.00 0.49 0.05 0.06 95.67 17:40:01 0 5.66 0.00 0.68 0.07 0.07 93.53 17:40:01 1 1.81 0.00 0.30 0.04 0.05 97.81 17:50:12 all 1.69 0.00 0.33 0.06 0.05 97.87 17:50:12 0 1.97 0.00 0.38 0.06 0.06 97.52 17:50:12 1 1.41 0.00 0.27 0.06 0.04 98.22 17:50:12 CPU %user %nice %system %iowait %steal %idle 18:00:12 all 1.00 0.00 0.33 0.08 0.04 98.55 18:00:12 0 1.10 0.00 0.34 0.12 0.04 98.40 18:00:12 1 0.91 0.00 0.31 0.04 0.04 98.69 Average: all 2.29 0.00 0.39 0.10 0.05 97.17 Average: 0 2.59 0.00 0.43 0.14 0.05 96.80 Average: 1 1.99 0.00 0.36 0.06 0.05 97.54