---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66346 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 7.9G 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 735 5308 4 2186 7205 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:8d:ff:14 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82191sec preferred_lft 82191sec inet6 fe80::f816:3eff:fe8d:ff14/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66346) 04/04/26 _x86_64_ (2 CPU) 01:54:05 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:27 1.93 0.31 1.60 0.02 37.47 70.98 0.42 02:20:17 1.37 0.01 1.35 0.02 1.08 16.45 1.27 02:30:01 1.39 0.00 1.36 0.03 0.00 16.89 447.85 02:40:27 1.25 0.00 1.23 0.02 0.00 15.45 1.27 02:50:17 1.25 0.00 1.24 0.02 0.00 14.97 1.22 03:00:27 21.76 2.97 16.58 2.21 224.03 3071.41 943.17 Average: 4.86 0.55 3.92 0.39 44.33 539.52 231.64 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:27 6241324 7520864 299036 3.68 30912 1453896 719872 7.84 460788 1204144 168 02:20:17 6258732 7539148 280800 3.45 31136 1454544 522268 5.69 455456 1204696 184 02:30:01 6254828 7535780 284076 3.49 31356 1454832 522268 5.69 455524 1205212 124 02:40:27 6254828 7536372 283472 3.49 31584 1455200 522424 5.69 455772 1205800 148 02:50:17 6254828 7537024 282780 3.48 31772 1455648 522424 5.69 455984 1206316 132 03:00:27 5354348 7467008 304668 3.75 85184 2191516 558488 6.08 549040 1950040 2372 Average: 6103148 7522699 289139 3.56 40324 1577606 561291 6.11 472094 1329368 521 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:27 ens3 0.76 0.21 2.95 0.03 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.29 0.04 0.05 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 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:27 ens3 0.36 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:27 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:27 ens3 64.27 42.40 293.08 11.10 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 11.14 7.21 49.87 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66346) 04/04/26 _x86_64_ (2 CPU) 01:54:05 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:27 all 0.34 0.00 0.12 0.02 0.04 99.48 02:10:27 0 0.51 0.00 0.12 0.03 0.03 99.31 02:10:27 1 0.17 0.00 0.12 0.01 0.05 99.65 02:20:17 all 0.25 0.00 0.08 0.01 0.03 99.62 02:20:17 0 0.45 0.00 0.06 0.01 0.03 99.46 02:20:17 1 0.05 0.00 0.11 0.02 0.04 99.78 02:30:01 all 0.27 0.00 0.17 0.01 0.03 99.51 02:30:01 0 0.28 0.00 0.16 0.02 0.03 99.52 02:30:01 1 0.26 0.00 0.19 0.00 0.03 99.51 02:40:27 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:27 0 0.44 0.00 0.05 0.00 0.02 99.48 02:40:27 1 0.07 0.00 0.09 0.02 0.04 99.79 02:50:17 all 0.26 0.00 0.08 0.01 0.03 99.63 02:50:17 0 0.46 0.00 0.06 0.01 0.03 99.46 02:50:17 1 0.05 0.00 0.10 0.01 0.04 99.80 03:00:27 all 10.45 0.00 1.69 0.52 0.05 87.30 03:00:27 0 8.22 0.00 1.50 0.23 0.04 90.00 03:00:27 1 12.67 0.00 1.87 0.80 0.05 84.61 Average: all 1.99 0.00 0.37 0.10 0.04 97.51 Average: 0 1.74 0.00 0.33 0.05 0.03 97.85 Average: 1 2.23 0.00 0.42 0.15 0.04 97.17