---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1454 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: 5599.94 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 750 5172 4 2312 7191 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:d4:8b:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81569sec preferred_lft 81569sec inet6 fe80::f816:3eff:fed4:8b4e/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-1454) 08/02/26 _x86_64_ (2 CPU) 05:14:47 LINUX RESTART (2 CPU) 05:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:21 13.60 0.01 1.35 12.25 0.20 17.08 107014.87 05:40:21 1.23 0.00 1.23 0.00 0.00 15.17 0.12 05:50:21 1.33 0.00 1.33 0.00 0.00 16.17 0.12 06:00:21 2.17 0.26 1.89 0.02 32.03 80.43 435.81 06:10:17 1.28 0.00 1.28 0.00 0.00 15.32 0.00 06:20:21 1.45 0.00 1.44 0.00 0.00 17.32 0.36 06:30:21 16.99 1.63 14.14 1.21 116.69 2362.39 667.31 Average: 5.47 0.27 3.23 1.96 21.20 359.37 15762.47 05:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:21 6297876 7545248 275244 3.38 30628 1422616 527412 5.74 448000 1183696 176 05:40:21 6302724 7550596 269884 3.32 30792 1422956 527548 5.75 448344 1184192 196 05:50:21 6303008 7551372 269096 3.31 30964 1423272 527684 5.75 448328 1184680 172 06:00:21 6240340 7516412 303532 3.73 31336 1450204 527688 5.75 457724 1202916 124 06:10:17 6247664 7524368 295532 3.63 31496 1450668 527680 5.75 457728 1203412 284 06:20:21 6247188 7524412 295448 3.63 31680 1450996 527784 5.75 453588 1203924 124 06:30:21 5428248 7375604 404408 4.97 72788 2046188 648800 7.07 610564 1823416 20944 Average: 6152435 7512573 301878 3.71 37098 1523843 544942 5.94 474897 1283748 3146 05:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:21 ens3 0.85 0.08 0.12 0.04 0.00 0.00 0.00 0.00 05:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:21 ens3 0.50 0.07 0.09 0.04 0.00 0.00 0.00 0.00 05:50:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:21 ens3 1.01 0.04 0.18 0.01 0.00 0.00 0.00 0.00 06:00:21 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:00:21 ens3 0.83 0.47 3.25 0.04 0.00 0.00 0.00 0.00 06:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:17 ens3 0.21 0.05 0.04 0.01 0.00 0.00 0.00 0.00 06:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:21 ens3 0.32 0.17 0.07 0.42 0.00 0.00 0.00 0.00 06:30:21 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 06:30:21 ens3 40.83 24.22 278.60 6.01 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.35 3.57 40.20 0.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1454) 08/02/26 _x86_64_ (2 CPU) 05:14:47 LINUX RESTART (2 CPU) 05:20:07 CPU %user %nice %system %iowait %steal %idle 05:30:21 all 0.30 0.00 0.17 0.03 0.03 99.47 05:30:21 0 0.13 0.00 0.17 0.01 0.04 99.65 05:30:21 1 0.46 0.00 0.17 0.05 0.03 99.29 05:40:21 all 0.26 0.00 0.08 0.01 0.03 99.62 05:40:21 0 0.40 0.00 0.07 0.00 0.03 99.49 05:40:21 1 0.12 0.00 0.08 0.01 0.04 99.75 05:50:21 all 0.24 0.00 0.08 0.01 0.03 99.63 05:50:21 0 0.41 0.00 0.07 0.01 0.02 99.50 05:50:21 1 0.08 0.00 0.10 0.01 0.04 99.76 06:00:21 all 0.39 0.00 0.20 0.03 0.03 99.35 06:00:21 0 0.35 0.00 0.19 0.03 0.03 99.40 06:00:21 1 0.42 0.00 0.21 0.02 0.04 99.31 06:10:17 all 0.25 0.00 0.07 0.01 0.04 99.63 06:10:17 0 0.06 0.00 0.09 0.01 0.04 99.79 06:10:17 1 0.43 0.00 0.05 0.02 0.03 99.47 06:20:21 all 0.27 0.00 0.07 0.01 0.03 99.62 06:20:21 0 0.06 0.00 0.09 0.01 0.04 99.80 06:20:21 1 0.47 0.00 0.05 0.01 0.03 99.44 06:30:21 all 7.03 0.00 1.03 0.38 0.04 91.51 06:30:21 0 9.56 0.00 1.38 0.58 0.05 88.43 06:30:21 1 4.51 0.00 0.68 0.18 0.03 94.60 Average: all 1.25 0.00 0.24 0.07 0.03 98.41 Average: 0 1.56 0.00 0.29 0.09 0.04 98.02 Average: 1 0.93 0.00 0.19 0.04 0.03 98.80