---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30990 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 784 5150 4 2299 7157 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:32:41:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81990sec preferred_lft 81990sec inet6 fe80::f816:3eff:fe32:4153/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30990) 06/27/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 2.08 0.28 1.78 0.03 32.21 78.30 654.07 02:10:01 1.39 0.01 1.37 0.01 0.05 16.17 0.84 02:20:01 13.99 0.01 1.43 12.56 0.16 16.43 109123.67 02:30:01 1.67 0.00 1.64 0.03 0.00 19.83 872.23 02:40:01 1.33 0.00 1.31 0.02 0.00 15.45 1.20 02:50:01 1.36 0.00 1.35 0.02 0.00 15.96 1.20 03:00:01 26.80 3.04 21.11 2.64 228.70 3755.04 1932.49 Average: 6.95 0.48 4.28 2.19 37.30 559.47 16084.21 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6258752 7536392 283700 3.49 30780 1452340 721988 7.86 462180 1204944 216 02:10:01 6275904 7554104 265964 3.27 31008 1452664 722012 7.86 462340 1205496 128 02:20:01 6275420 7554228 265780 3.27 31224 1453036 722012 7.86 462372 1206056 128 02:30:01 6267860 7547264 272680 3.35 31452 1453372 722132 7.87 462672 1206620 160 02:40:01 6270332 7550388 269580 3.31 31644 1453824 722268 7.87 463120 1207136 128 02:50:01 6269576 7550172 269752 3.32 31852 1454156 722396 7.87 463784 1207672 152 03:00:01 5333844 7385264 390596 4.80 87108 2132612 823200 8.97 632012 1895644 20880 Average: 6135955 7525402 288293 3.54 39295 1550286 736573 8.02 486926 1304795 3113 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 2.21 0.57 3.47 0.07 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.48 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.72 0.06 2.35 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.69 0.06 0.84 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.38 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.53 0.21 0.15 0.51 0.00 0.00 0.00 0.00 03:00:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 123.79 100.29 381.89 35.14 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.39 14.47 55.54 5.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30990) 06/27/26 _x86_64_ (2 CPU) 01:47:54 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.51 0.00 0.24 0.07 0.15 99.03 02:00:01 0 0.35 0.00 0.23 0.07 0.20 99.16 02:00:01 1 0.67 0.00 0.25 0.07 0.11 98.90 02:10:01 all 0.27 0.00 0.10 0.01 0.12 99.50 02:10:01 0 0.27 0.00 0.10 0.01 0.19 99.43 02:10:01 1 0.26 0.00 0.09 0.01 0.06 99.58 02:20:01 all 0.24 0.00 0.09 0.06 0.02 99.59 02:20:01 0 0.07 0.00 0.12 0.12 0.02 99.67 02:20:01 1 0.41 0.00 0.07 0.00 0.02 99.50 02:30:01 all 0.30 0.00 0.18 0.02 0.02 99.48 02:30:01 0 0.13 0.00 0.18 0.03 0.02 99.64 02:30:01 1 0.47 0.00 0.17 0.02 0.02 99.32 02:40:01 all 0.25 0.00 0.08 0.06 0.02 99.59 02:40:01 0 0.16 0.00 0.08 0.00 0.02 99.74 02:40:01 1 0.34 0.00 0.08 0.11 0.02 99.44 02:50:01 all 0.24 0.00 0.08 0.02 0.03 99.65 02:50:01 0 0.18 0.00 0.08 0.03 0.03 99.69 02:50:01 1 0.29 0.00 0.07 0.01 0.02 99.60 03:00:01 all 19.31 0.00 2.12 3.40 0.08 75.10 03:00:01 0 18.00 0.00 2.40 3.39 0.08 76.14 03:00:01 1 20.62 0.00 1.85 3.41 0.07 74.05 Average: all 3.00 0.00 0.41 0.52 0.06 96.00 Average: 0 2.73 0.00 0.45 0.52 0.08 96.22 Average: 1 3.28 0.00 0.37 0.52 0.05 95.79