---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10753 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: 5599.99 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 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 8.0G 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 792 5163 4 2274 7149 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:58:5b:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.113/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80089sec preferred_lft 80089sec inet6 fe80::f816:3eff:fe58:5bea/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-10753) 05/04/26 _x86_64_ (2 CPU) 03:27:38 LINUX RESTART (2 CPU) 03:30:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:01 1.53 0.03 1.50 0.00 1.29 711.94 0.12 03:50:01 1.46 0.01 1.46 0.00 0.05 712.51 0.12 04:00:24 1.59 0.00 1.58 0.01 0.00 623.09 420.00 04:10:01 1.33 0.00 1.33 0.00 0.00 15.48 0.00 04:20:01 14.49 0.26 1.67 12.57 31.18 74.54 109344.75 04:30:16 1.68 0.00 1.66 0.02 1.03 20.31 849.96 04:40:16 21.96 3.02 16.72 2.22 228.05 3180.80 919.57 04:50:01 1.43 0.00 1.41 0.02 0.00 40.04 1.45 05:00:06 1.55 0.00 1.51 0.04 0.34 47.91 1.89 05:10:01 1.42 0.00 1.40 0.02 0.00 65.35 1.41 Average: 4.86 0.33 3.03 1.49 26.29 550.86 11182.86 03:30:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:01 6293748 7545012 275496 3.39 30616 1426268 530556 5.78 444060 1187220 152 03:50:01 6292236 7544004 276500 3.40 30788 1426596 530688 5.78 444160 1187720 272 04:00:24 6289748 7542032 278452 3.42 30968 1426924 530688 5.78 444340 1188220 236 04:10:01 6295964 7548752 271736 3.34 31136 1427248 530688 5.78 444668 1188720 120 04:20:01 6233664 7513132 306820 3.77 31484 1453228 733352 7.99 459172 1206256 164 04:30:16 6241684 7522172 297780 3.66 31700 1454000 530688 5.78 454488 1206804 132 04:40:16 5280668 7408144 363444 4.47 85128 2206296 643536 7.01 603376 1966964 156 04:50:01 5270588 7405268 366352 4.50 85288 2213336 653032 7.11 604388 1974172 500 05:00:06 5260172 7403660 367928 4.52 85468 2221964 653696 7.12 605832 1982876 532 05:10:01 5241756 7400708 370828 4.56 85656 2237208 656832 7.15 608704 1998292 1384 Average: 5870023 7483288 317534 3.90 52823 1749307 599376 6.53 511319 1508724 365 03:30:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.82 0.07 0.11 0.03 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 0.45 0.03 0.06 0.01 0.00 0.00 0.00 0.00 04:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:24 ens3 0.32 0.06 0.22 0.03 0.00 0.00 0.00 0.00 04:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:01 ens3 0.21 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 04:20:01 ens3 0.42 0.22 3.12 0.03 0.00 0.00 0.00 0.00 04:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:16 ens3 0.24 0.06 0.07 0.03 0.00 0.00 0.00 0.00 04:40:16 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 04:40:16 ens3 77.75 51.70 307.56 12.48 0.00 0.00 0.00 0.00 04:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:01 ens3 23.54 20.22 4.48 2.54 0.00 0.00 0.00 0.00 05:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:06 ens3 21.52 20.01 7.06 3.07 0.00 0.00 0.00 0.00 05:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:01 ens3 27.29 25.92 5.47 3.75 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 15.25 11.82 32.93 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10753) 05/04/26 _x86_64_ (2 CPU) 03:27:38 LINUX RESTART (2 CPU) 03:30:23 CPU %user %nice %system %iowait %steal %idle 03:40:01 all 0.27 0.00 0.09 0.01 0.02 99.60 03:40:01 0 0.34 0.00 0.09 0.00 0.02 99.55 03:40:01 1 0.21 0.00 0.09 0.02 0.02 99.66 03:50:01 all 0.23 0.00 0.09 0.01 0.03 99.64 03:50:01 0 0.38 0.00 0.08 0.00 0.02 99.51 03:50:01 1 0.09 0.00 0.11 0.02 0.03 99.76 04:00:24 all 0.28 0.00 0.16 0.01 0.02 99.52 04:00:24 0 0.26 0.00 0.16 0.01 0.02 99.55 04:00:24 1 0.30 0.00 0.17 0.01 0.03 99.49 04:10:01 all 0.22 0.00 0.08 0.01 0.02 99.67 04:10:01 0 0.40 0.00 0.07 0.01 0.02 99.50 04:10:01 1 0.05 0.00 0.10 0.00 0.02 99.83 04:20:01 all 0.37 0.00 0.12 0.04 0.02 99.45 04:20:01 0 0.54 0.00 0.08 0.03 0.02 99.33 04:20:01 1 0.19 0.00 0.16 0.06 0.03 99.57 04:30:16 all 0.25 0.00 0.17 0.01 0.02 99.54 04:30:16 0 0.15 0.00 0.17 0.01 0.02 99.64 04:30:16 1 0.35 0.00 0.17 0.01 0.02 99.44 04:40:16 all 13.01 0.00 1.80 0.51 0.06 84.62 04:40:16 0 13.82 0.00 1.85 0.28 0.06 83.99 04:40:16 1 12.19 0.00 1.76 0.73 0.07 85.25 04:50:01 all 3.50 0.00 0.29 0.01 0.06 96.14 04:50:01 0 1.46 0.00 0.22 0.02 0.04 98.25 04:50:01 1 5.55 0.00 0.35 0.01 0.08 94.01 05:00:06 all 3.85 0.00 0.45 0.01 0.06 95.62 05:00:06 0 4.74 0.00 0.48 0.01 0.07 94.69 05:00:06 1 2.96 0.00 0.42 0.01 0.06 96.55 05:10:01 all 4.84 0.00 0.36 0.01 0.06 94.73 05:10:01 0 3.54 0.00 0.31 0.01 0.06 96.08 05:10:01 1 6.14 0.00 0.42 0.01 0.06 93.38 Average: all 2.68 0.00 0.36 0.06 0.04 96.86 Average: 0 2.57 0.00 0.35 0.04 0.04 97.01 Average: 1 2.79 0.00 0.37 0.09 0.04 96.71