---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1446 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 764 5142 4 2335 7177 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:f8:2b:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81567sec preferred_lft 81567sec inet6 fe80::f816:3eff:fef8:2b3f/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-1446) 08/02/26 _x86_64_ (2 CPU) 05:14:28 LINUX RESTART (2 CPU) 05:20:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:03 15.67 13.55 2.05 0.07 151.17 46.39 661.24 05:40:03 13.89 0.00 1.28 12.60 0.15 15.69 109176.25 05:50:03 1.18 0.00 1.17 0.01 0.00 13.88 0.60 06:00:03 1.89 0.25 1.62 0.02 30.97 70.97 0.44 06:10:03 1.15 0.01 1.15 0.00 1.05 21.36 0.05 06:20:03 1.46 0.02 1.42 0.01 2.15 18.51 0.12 06:30:03 13.75 1.62 11.18 0.95 114.71 2226.36 564.10 Average: 7.00 2.21 2.84 1.95 42.89 344.73 15771.83 05:20:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:03 6210628 7514096 297352 3.66 34660 1466156 522964 5.70 448496 1231268 224 05:40:03 6209900 7513960 297424 3.66 34868 1466536 522996 5.70 449156 1231832 216 05:50:03 6209900 7514448 296928 3.65 35028 1466856 522996 5.70 449232 1232312 192 06:00:03 6012120 7344060 466784 5.74 35392 1493504 723960 7.89 606976 1250552 2384 06:10:03 6177304 7510188 300684 3.70 35548 1494268 523216 5.70 458824 1251040 208 06:20:03 6185912 7519992 290752 3.58 35768 1495236 523216 5.70 459508 1251648 188 06:30:03 5377668 7374048 396676 4.88 75776 2083268 656440 7.15 606712 1863452 44804 Average: 6054776 7470113 335229 4.12 41006 1566546 570827 6.22 496986 1330301 6888 05:20:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:03 ens3 0.88 0.07 0.12 0.04 0.00 0.00 0.00 0.00 05:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:03 ens3 0.51 0.07 0.09 0.04 0.00 0.00 0.00 0.00 05:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:03 ens3 1.02 0.04 0.18 0.01 0.00 0.00 0.00 0.00 06:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:00:03 ens3 0.78 0.47 3.25 0.04 0.00 0.00 0.00 0.00 06:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:03 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 06:20:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 06:20:03 ens3 0.27 0.08 0.08 0.04 0.00 0.00 0.00 0.00 06:30:03 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 06:30:03 ens3 39.04 24.83 278.12 6.06 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 6.10 3.66 40.27 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1446) 08/02/26 _x86_64_ (2 CPU) 05:14:28 LINUX RESTART (2 CPU) 05:20:03 CPU %user %nice %system %iowait %steal %idle 05:30:03 all 0.26 0.17 0.25 0.15 0.03 99.14 05:30:03 0 0.22 0.34 0.31 0.23 0.03 98.87 05:30:03 1 0.30 0.00 0.19 0.07 0.04 99.41 05:40:03 all 0.30 0.00 0.08 0.03 0.03 99.56 05:40:03 0 0.22 0.00 0.08 0.02 0.03 99.66 05:40:03 1 0.38 0.00 0.09 0.04 0.03 99.47 05:50:03 all 0.26 0.00 0.07 0.01 0.03 99.62 05:50:03 0 0.47 0.00 0.05 0.03 0.02 99.44 05:50:03 1 0.05 0.00 0.10 0.00 0.04 99.81 06:00:03 all 0.42 0.00 0.18 0.02 0.03 99.35 06:00:03 0 0.52 0.00 0.15 0.01 0.02 99.30 06:00:03 1 0.32 0.00 0.21 0.03 0.04 99.41 06:10:03 all 0.24 0.00 0.07 0.02 0.03 99.64 06:10:03 0 0.44 0.00 0.05 0.00 0.02 99.49 06:10:03 1 0.05 0.00 0.09 0.03 0.03 99.80 06:20:03 all 0.24 0.00 0.09 0.02 0.03 99.62 06:20:03 0 0.39 0.00 0.08 0.01 0.03 99.49 06:20:03 1 0.09 0.00 0.10 0.03 0.04 99.74 06:30:03 all 6.22 0.00 0.95 0.36 0.04 92.43 06:30:03 0 4.03 0.00 0.90 0.38 0.04 94.65 06:30:03 1 8.42 0.00 0.99 0.33 0.05 90.22 Average: all 1.13 0.02 0.24 0.09 0.03 98.48 Average: 0 0.90 0.05 0.23 0.10 0.03 98.70 Average: 1 1.37 0.00 0.25 0.08 0.04 98.26