---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27418 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: 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 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 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 796 5020 4 2425 7145 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:7c:6c:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81119sec preferred_lft 81119sec inet6 fe80::f816:3eff:fe7c:6cf5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27418) 06/15/26 _x86_64_ (2 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.48 0.02 1.44 0.02 0.82 17.62 0.47 00:20:23 2.14 0.35 1.76 0.03 32.83 75.93 8.10 00:30:06 1.55 0.01 1.53 0.02 1.08 19.06 222.84 00:40:01 36.46 3.02 18.45 14.99 228.79 3431.02 110683.19 00:50:06 1.70 0.00 1.67 0.03 0.48 106.75 1.19 01:00:06 1.55 0.00 1.53 0.02 0.00 94.21 0.60 Average: 7.43 0.56 4.37 2.49 43.85 619.48 18319.37 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6224680 7529692 281956 3.47 34924 1467428 530088 5.77 438656 1232004 276 00:20:23 6174172 7506088 304900 3.75 35312 1493492 725188 7.90 461984 1249504 176 00:30:06 6181356 7514264 296700 3.65 35492 1494268 529316 5.77 457120 1250016 252 00:40:01 5182224 7434248 323784 3.98 90440 2313308 583952 6.36 565836 2078420 9348 00:50:06 5116528 7380876 377192 4.64 90608 2325540 678980 7.40 618484 2090820 256 01:00:06 5088968 7376336 381624 4.69 90768 2348376 674528 7.35 622108 2113816 1056 Average: 5661321 7456917 327693 4.03 62924 1907069 620342 6.76 527365 1669097 1894 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.32 0.04 0.07 0.03 0.00 0.00 0.00 0.00 00:20:23 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 00:20:23 ens3 0.80 0.45 3.06 0.04 0.00 0.00 0.00 0.00 00:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:06 ens3 0.36 0.09 0.11 0.06 0.00 0.00 0.00 0.00 00:40:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:01 ens3 68.04 44.10 317.48 11.73 0.00 0.00 0.00 0.00 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 42.68 35.03 8.51 4.31 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 51.03 50.12 10.58 6.98 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 27.17 21.63 56.19 3.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27418) 06/15/26 _x86_64_ (2 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.22 0.00 0.11 0.03 0.03 99.61 00:10:01 0 0.06 0.00 0.12 0.02 0.04 99.77 00:10:01 1 0.38 0.00 0.11 0.04 0.03 99.44 00:20:23 all 0.61 0.00 0.21 0.03 0.04 99.12 00:20:23 0 0.51 0.00 0.19 0.02 0.04 99.24 00:20:23 1 0.71 0.00 0.23 0.03 0.04 99.00 00:30:06 all 0.24 0.00 0.18 0.02 0.04 99.53 00:30:06 0 0.24 0.00 0.17 0.02 0.04 99.53 00:30:06 1 0.24 0.00 0.19 0.01 0.04 99.53 00:40:01 all 11.53 0.00 1.67 0.60 0.05 86.14 00:40:01 0 13.91 0.00 1.78 0.61 0.06 83.64 00:40:01 1 9.16 0.00 1.55 0.59 0.05 88.65 00:50:06 all 5.60 0.00 0.44 0.01 0.09 93.87 00:50:06 0 4.53 0.00 0.38 0.01 0.09 94.98 00:50:06 1 6.67 0.00 0.51 0.01 0.08 92.74 01:00:06 all 7.89 0.00 0.61 0.01 0.09 91.40 01:00:06 0 5.75 0.00 0.59 0.02 0.08 93.57 01:00:06 1 10.03 0.00 0.63 0.01 0.10 89.25 Average: all 4.33 0.00 0.53 0.11 0.06 94.96 Average: 0 4.15 0.00 0.54 0.11 0.06 95.14 Average: 1 4.52 0.00 0.53 0.11 0.05 94.78