---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22028 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 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 786 5091 4 2356 7154 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:8b:ac:f0 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 81283sec preferred_lft 81283sec inet6 fe80::f816:3eff:fe8b:acf0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22028) 06/01/26 _x86_64_ (2 CPU) 00:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:23 2.20 0.27 1.89 0.04 32.83 78.66 436.67 00:20:01 1.62 0.12 1.48 0.02 3.62 18.82 241.94 00:30:24 13.52 0.00 1.40 12.11 0.14 17.63 105524.56 00:40:24 24.03 3.02 18.76 2.25 228.05 3382.08 477.60 00:50:01 1.38 0.00 1.38 0.00 0.00 59.84 0.03 01:00:00 1.53 0.00 1.51 0.02 0.35 112.23 0.87 Average: 7.49 0.57 4.42 2.50 44.43 615.06 18569.79 00:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:23 6248524 7523392 296460 3.65 31172 1449196 524804 5.72 457488 1201672 176 00:20:01 6237464 7513000 306764 3.77 31492 1449456 523228 5.70 457484 1202036 124 00:30:24 6240480 7516716 302936 3.72 31684 1449956 523388 5.70 458308 1202564 184 00:40:24 5209404 7404656 362932 4.46 86544 2269516 625368 6.81 594908 2031432 264 00:50:01 5190644 7398600 368992 4.54 86700 2282068 638440 6.95 599024 2044144 288 01:00:00 5415060 7465532 310692 3.82 86836 2132244 546008 5.95 541844 1894352 7116 Average: 5756929 7470316 324796 3.99 59071 1838739 563539 6.14 518176 1596033 1359 00:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:10:23 ens3 0.61 0.25 3.19 0.05 0.00 0.00 0.00 0.00 00:20:01 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:01 ens3 0.26 0.05 0.05 0.02 0.00 0.00 0.00 0.00 00:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:24 ens3 0.43 0.21 0.11 0.49 0.00 0.00 0.00 0.00 00:40:24 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:24 ens3 69.17 47.83 317.09 11.99 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 41.36 35.12 8.74 4.27 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 43.66 42.08 10.11 6.08 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 25.81 20.82 56.85 3.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22028) 06/01/26 _x86_64_ (2 CPU) 00:00:23 CPU %user %nice %system %iowait %steal %idle 00:10:23 all 0.37 0.00 0.13 0.03 0.04 99.43 00:10:23 0 0.25 0.00 0.15 0.03 0.04 99.52 00:10:23 1 0.49 0.00 0.10 0.03 0.03 99.34 00:20:01 all 0.49 0.00 0.21 0.01 0.03 99.26 00:20:01 0 0.37 0.00 0.23 0.01 0.03 99.36 00:20:01 1 0.61 0.00 0.19 0.02 0.03 99.15 00:30:24 all 0.27 0.00 0.16 0.03 0.03 99.50 00:30:24 0 0.33 0.00 0.16 0.06 0.03 99.42 00:30:24 1 0.22 0.00 0.16 0.01 0.04 99.57 00:40:24 all 12.52 0.00 1.72 0.61 0.06 85.09 00:40:24 0 9.14 0.00 1.28 0.46 0.05 89.06 00:40:24 1 15.91 0.00 2.16 0.75 0.07 81.10 00:50:01 all 6.31 0.00 0.46 0.01 0.08 93.14 00:50:01 0 6.17 0.00 0.44 0.01 0.08 93.30 00:50:01 1 6.46 0.00 0.47 0.01 0.08 92.98 01:00:00 all 8.80 0.00 0.61 0.01 0.09 90.49 01:00:00 0 8.06 0.00 0.67 0.01 0.09 91.17 01:00:00 1 9.55 0.00 0.54 0.02 0.09 89.81 Average: all 4.77 0.00 0.55 0.12 0.06 94.51 Average: 0 4.03 0.00 0.49 0.10 0.05 95.33 Average: 1 5.52 0.00 0.60 0.14 0.06 93.68