---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33549 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 746 5198 4 2289 7195 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:70:59:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81213sec preferred_lft 81213sec inet6 fe80::f816:3eff:fe70:59fe/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-33549) 07/07/26 _x86_64_ (2 CPU) 00:41:18 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 2.10 0.26 1.81 0.03 30.96 78.83 652.96 01:10:01 1.48 0.01 1.46 0.01 1.06 18.01 220.29 01:20:08 1.41 0.00 1.41 0.00 0.01 16.20 0.00 01:30:08 14.29 0.00 1.72 12.57 0.15 20.57 109302.27 01:40:01 1.35 0.00 1.35 0.00 0.00 15.86 0.01 01:50:09 1.43 0.00 1.43 0.00 0.00 16.54 0.00 02:00:10 24.41 2.85 19.20 2.36 225.34 3610.68 1286.21 Average: 6.64 0.45 4.06 2.14 36.81 539.86 15913.38 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6249168 7527632 292248 3.59 30924 1452788 736040 8.02 458764 1205272 136 01:10:01 6256728 7536052 283856 3.49 31132 1453436 528628 5.76 455588 1205816 124 01:20:08 6264064 7543876 276020 3.39 31288 1453768 528868 5.76 456088 1206300 148 01:30:08 6257012 7537408 282408 3.47 31468 1454140 528868 5.76 456124 1206828 132 01:40:01 6257012 7538040 281752 3.46 31644 1454600 529000 5.76 456360 1207324 160 01:50:09 6259676 7541220 278540 3.43 31816 1454928 529000 5.76 456672 1207832 132 02:00:10 5202300 7413792 353216 4.34 86968 2284672 628316 6.84 592364 2047172 1360 Average: 6106566 7519717 292577 3.60 39320 1572619 572674 6.24 475994 1326649 313 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 1.37 0.42 3.26 0.06 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.66 0.05 4.75 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.49 0.07 0.12 0.06 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 0.36 0.15 0.08 0.48 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 0.34 0.07 0.12 0.06 0.00 0.00 0.00 0.00 01:50:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 0.34 0.09 0.10 0.05 0.00 0.00 0.00 0.00 02:00:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:10 ens3 118.29 78.94 328.09 17.96 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 17.42 11.41 48.10 2.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33549) 07/07/26 _x86_64_ (2 CPU) 00:41:18 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.38 0.00 0.19 0.02 0.04 99.36 01:00:08 0 0.49 0.00 0.17 0.02 0.03 99.28 01:00:08 1 0.28 0.00 0.21 0.02 0.05 99.44 01:10:01 all 0.28 0.00 0.08 0.01 0.04 99.59 01:10:01 0 0.48 0.00 0.06 0.01 0.03 99.42 01:10:01 1 0.08 0.00 0.10 0.01 0.05 99.76 01:20:08 all 0.22 0.00 0.07 0.01 0.04 99.66 01:20:08 0 0.39 0.00 0.05 0.00 0.03 99.52 01:20:08 1 0.05 0.00 0.08 0.01 0.05 99.80 01:30:08 all 0.25 0.00 0.17 0.03 0.04 99.50 01:30:08 0 0.18 0.00 0.17 0.01 0.04 99.60 01:30:08 1 0.32 0.00 0.17 0.06 0.04 99.41 01:40:01 all 0.21 0.00 0.06 0.01 0.04 99.68 01:40:01 0 0.17 0.00 0.07 0.01 0.04 99.72 01:40:01 1 0.25 0.00 0.06 0.01 0.03 99.65 01:50:09 all 0.24 0.00 0.06 0.01 0.04 99.65 01:50:09 0 0.04 0.00 0.08 0.01 0.05 99.81 01:50:09 1 0.44 0.00 0.05 0.00 0.03 99.49 02:00:10 all 13.56 0.00 2.02 0.55 0.06 83.80 02:00:10 0 14.94 0.00 2.17 0.67 0.06 82.15 02:00:10 1 12.17 0.00 1.87 0.44 0.06 85.46 Average: all 2.16 0.00 0.38 0.09 0.04 97.32 Average: 0 2.38 0.00 0.40 0.11 0.04 97.07 Average: 1 1.94 0.00 0.36 0.08 0.04 97.57