---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4710 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 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 764 5289 4 2176 7177 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:69:2c:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80175sec preferred_lft 80175sec inet6 fe80::f816:3eff:fe69:2c29/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4710) 04/20/26 _x86_64_ (2 CPU) 00:43:19 LINUX RESTART (2 CPU) 00:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.57 0.01 1.55 0.02 0.05 18.75 438.00 01:10:03 1.37 0.00 1.35 0.02 0.00 16.18 1.20 01:20:04 1.43 0.00 1.41 0.02 0.01 16.12 1.20 01:30:01 2.26 0.34 1.87 0.04 41.37 77.44 1.57 01:40:07 1.52 0.00 1.49 0.02 1.04 17.53 1.25 01:50:06 1.71 0.43 1.27 0.02 16.89 84.09 0.92 02:00:01 35.41 2.61 17.04 15.75 211.56 3099.12 108180.20 02:10:05 1.20 0.00 1.20 0.00 0.00 14.60 0.00 02:20:09 1.38 0.00 1.38 0.00 0.00 16.23 0.00 Average: 5.28 0.37 3.16 1.75 29.87 370.39 11967.75 00:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6296308 7542884 277548 3.41 30688 1421564 528292 5.75 442220 1183484 240 01:10:03 6296308 7543444 276944 3.41 30912 1421908 528376 5.76 442448 1184036 280 01:20:04 6303640 7551320 269068 3.31 31124 1422228 529044 5.76 439344 1184576 220 01:30:01 6258292 7535624 283864 3.49 31536 1451024 728620 7.94 456656 1202168 240 01:40:07 6266448 7544780 274820 3.38 31752 1451796 529276 5.76 451768 1202716 172 01:50:06 6203348 7508548 310584 3.82 32292 1477724 550724 6.00 490240 1227668 656 02:00:01 5300604 7412004 359492 4.42 85440 2190056 635504 6.92 590040 1949520 244 02:10:05 5308668 7420552 350976 4.32 85568 2190412 635556 6.92 590092 1950004 268 02:20:09 5308192 7420564 350936 4.32 85700 2190768 635560 6.92 590192 1950492 172 Average: 5949090 7497747 306026 3.76 49446 1690831 588995 6.42 499222 1448296 277 00:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.84 0.07 0.11 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.44 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.43 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.55 0.26 3.14 0.05 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 0.43 0.12 0.14 0.08 0.00 0.00 0.00 0.00 01:50:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 15.95 8.25 40.89 3.48 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.10 0.10 0.00 0.00 0.00 0.00 02:00:01 ens3 53.35 39.19 260.85 8.34 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.39 0.17 0.17 0.03 0.00 0.00 0.00 0.00 02:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 0.58 0.13 0.08 0.03 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 8.16 5.33 33.69 1.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4710) 04/20/26 _x86_64_ (2 CPU) 00:43:19 LINUX RESTART (2 CPU) 00:50:03 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.32 0.00 0.18 0.02 0.02 99.45 01:00:01 0 0.29 0.00 0.19 0.04 0.02 99.46 01:00:01 1 0.34 0.00 0.18 0.01 0.03 99.45 01:10:03 all 0.25 0.00 0.10 0.01 0.03 99.61 01:10:03 0 0.43 0.00 0.06 0.01 0.02 99.48 01:10:03 1 0.08 0.00 0.15 0.01 0.03 99.74 01:20:04 all 0.25 0.00 0.08 0.01 0.02 99.63 01:20:04 0 0.40 0.00 0.06 0.02 0.01 99.51 01:20:04 1 0.11 0.00 0.11 0.00 0.03 99.75 01:30:01 all 0.36 0.00 0.20 0.01 0.02 99.41 01:30:01 0 0.55 0.00 0.18 0.03 0.02 99.22 01:30:01 1 0.17 0.00 0.21 0.00 0.03 99.59 01:40:07 all 0.26 0.00 0.07 0.01 0.02 99.63 01:40:07 0 0.06 0.00 0.08 0.01 0.02 99.83 01:40:07 1 0.46 0.00 0.07 0.01 0.02 99.43 01:50:06 all 0.65 0.00 0.13 0.02 0.02 99.19 01:50:06 0 0.47 0.00 0.18 0.03 0.03 99.30 01:50:06 1 0.82 0.00 0.08 0.01 0.02 99.07 02:00:01 all 10.77 0.00 1.75 0.52 0.06 86.90 02:00:01 0 11.23 0.00 1.82 0.51 0.05 86.38 02:00:01 1 10.30 0.00 1.68 0.53 0.07 87.42 02:10:05 all 0.41 0.00 0.13 0.01 0.05 99.41 02:10:05 0 0.39 0.00 0.14 0.01 0.06 99.40 02:10:05 1 0.43 0.00 0.12 0.00 0.04 99.41 02:20:09 all 0.40 0.00 0.14 0.04 0.05 99.37 02:20:09 0 0.36 0.00 0.14 0.07 0.05 99.37 02:20:09 1 0.44 0.00 0.14 0.00 0.04 99.37 Average: all 1.51 0.00 0.31 0.07 0.03 98.08 Average: 0 1.56 0.00 0.32 0.08 0.03 98.01 Average: 1 1.45 0.00 0.30 0.06 0.03 98.15