---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4743 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 779 5175 4 2276 7162 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:af:b2:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81006sec preferred_lft 81006sec inet6 fe80::f816:3eff:feaf:b2c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4743) 04/20/26 _x86_64_ (2 CPU) 01:58:18 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:07 1.45 0.02 1.42 0.00 1.23 17.03 0.12 02:20:08 14.04 0.01 1.51 12.52 0.21 17.56 109035.48 02:30:00 1.45 0.00 1.44 0.02 0.00 17.28 661.92 02:40:07 1.40 0.00 1.40 0.00 0.00 16.25 0.00 02:50:08 1.81 0.31 1.48 0.01 38.98 72.50 0.21 03:00:00 2.00 0.41 1.58 0.02 17.05 51.31 661.45 03:10:01 21.93 2.63 17.07 2.23 212.16 3137.14 561.89 03:20:10 1.49 0.00 1.47 0.02 0.34 68.27 1.26 Average: 5.69 0.42 3.42 1.85 33.70 424.51 13856.94 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:07 6297468 7544440 276024 3.39 30568 1422104 529500 5.77 446172 1183132 232 02:20:08 6296716 7544248 276180 3.40 30752 1422484 529580 5.77 446400 1183660 156 02:30:00 6290168 7538200 282244 3.47 30920 1422800 529644 5.77 446456 1184152 124 02:40:07 6297756 7546292 274152 3.37 31088 1423128 529712 5.77 446948 1184648 136 02:50:08 6238552 7515980 303892 3.74 31440 1451280 737400 8.03 463960 1202088 200 03:00:00 6211568 7504680 315052 3.87 31772 1466404 569140 6.20 500588 1215588 220 03:10:01 5284912 7403064 368464 4.53 85032 2197236 707568 7.71 606096 1955636 128 03:20:10 5271940 7405688 365984 4.50 85232 2212636 654856 7.13 608128 1971128 296 Average: 6023635 7500324 307749 3.78 44600 1627259 598425 6.52 495594 1385004 186 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 1.26 0.05 0.14 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.43 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.54 0.15 0.18 0.11 0.00 0.00 0.00 0.00 02:50:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:08 ens3 0.42 0.22 3.08 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 9.75 6.23 24.04 3.20 0.00 0.00 0.00 0.00 03:10:01 lo 1.29 1.29 0.10 0.10 0.00 0.00 0.00 0.00 03:10:01 ens3 64.93 48.39 278.35 9.85 0.00 0.00 0.00 0.00 03:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:10 ens3 47.43 43.15 10.42 5.76 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 15.69 12.34 39.50 2.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4743) 04/20/26 _x86_64_ (2 CPU) 01:58:18 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:07 all 0.26 0.00 0.09 0.01 0.03 99.62 02:10:07 0 0.31 0.00 0.07 0.01 0.02 99.58 02:10:07 1 0.21 0.00 0.10 0.00 0.03 99.65 02:20:08 all 0.25 0.00 0.10 0.03 0.02 99.60 02:20:08 0 0.40 0.00 0.08 0.03 0.02 99.47 02:20:08 1 0.10 0.00 0.11 0.03 0.03 99.73 02:30:00 all 0.29 0.00 0.17 0.01 0.03 99.50 02:30:00 0 0.51 0.00 0.15 0.01 0.02 99.32 02:30:00 1 0.08 0.00 0.18 0.01 0.03 99.69 02:40:07 all 0.25 0.00 0.08 0.01 0.02 99.64 02:40:07 0 0.15 0.00 0.07 0.01 0.02 99.75 02:40:07 1 0.35 0.00 0.08 0.01 0.03 99.54 02:50:08 all 0.35 0.00 0.12 0.02 0.02 99.49 02:50:08 0 0.14 0.00 0.11 0.02 0.03 99.70 02:50:08 1 0.56 0.00 0.13 0.02 0.02 99.27 03:00:00 all 0.57 0.00 0.21 0.01 0.02 99.19 03:00:00 0 0.77 0.00 0.23 0.01 0.02 98.97 03:00:00 1 0.36 0.00 0.19 0.02 0.03 99.40 03:10:01 all 13.93 0.00 1.86 0.63 0.07 83.52 03:10:01 0 15.47 0.00 1.86 0.46 0.06 82.15 03:10:01 1 12.38 0.00 1.86 0.80 0.07 84.90 03:20:10 all 6.04 0.00 0.54 0.01 0.07 93.34 03:20:10 0 4.31 0.00 0.47 0.01 0.06 95.14 03:20:10 1 7.78 0.00 0.60 0.00 0.07 91.54 Average: all 2.74 0.00 0.39 0.09 0.04 96.74 Average: 0 2.75 0.00 0.38 0.07 0.03 96.77 Average: 1 2.72 0.00 0.41 0.11 0.04 96.72