---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66351 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 780 5256 4 2194 7161 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:ca:b3:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81765sec preferred_lft 81765sec inet6 fe80::f816:3eff:feca:b38a/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-66351) 04/04/26 _x86_64_ (2 CPU) 01:54:03 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:12 1.35 0.01 1.33 0.01 0.05 16.15 0.96 02:20:12 1.22 0.00 1.20 0.02 0.01 14.53 0.99 02:30:01 14.25 0.00 1.45 12.80 0.15 17.51 111682.37 02:40:12 1.27 0.00 1.26 0.02 0.00 15.41 1.18 02:50:12 1.78 0.32 1.43 0.03 40.07 71.80 1.45 03:00:01 22.79 3.09 17.42 2.28 232.04 3193.09 1459.49 03:10:12 3.07 0.05 2.37 0.64 2.07 125.28 1962.90 Average: 6.44 0.49 3.73 2.21 38.50 484.19 16110.87 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:12 6282784 7533716 286460 3.52 30712 1426020 531068 5.78 444872 1187296 124 02:20:12 6282532 7534004 286164 3.52 30916 1426352 531068 5.78 444804 1187832 176 02:30:01 6267444 7519456 300660 3.70 31104 1426692 531368 5.79 445128 1188332 124 02:40:12 6267444 7520032 300072 3.69 31320 1427052 531392 5.79 445200 1188900 148 02:50:12 6229060 7510788 308664 3.80 31676 1455448 531452 5.79 460932 1206156 180 03:00:01 5318292 7430560 340560 4.19 85176 2191292 586352 6.39 576452 1949924 2372 03:10:12 5410028 7354280 425868 5.24 86636 2029848 652828 7.11 645056 1789696 37384 Average: 6008226 7486119 321207 3.95 46791 1626101 556504 6.06 494635 1385448 5787 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.53 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.29 0.03 0.05 0.01 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 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.37 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 0.49 0.24 3.08 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 88.48 63.41 309.84 16.93 0.00 0.00 0.00 0.00 03:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:12 ens3 23.85 15.81 13.93 5.63 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 16.12 11.23 45.85 3.21 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66351) 04/04/26 _x86_64_ (2 CPU) 01:54:03 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:12 all 0.25 0.00 0.07 0.02 0.04 99.63 02:10:12 0 0.19 0.00 0.08 0.02 0.04 99.67 02:10:12 1 0.30 0.00 0.07 0.01 0.03 99.59 02:20:12 all 0.25 0.00 0.07 0.01 0.04 99.63 02:20:12 0 0.34 0.00 0.06 0.02 0.03 99.55 02:20:12 1 0.16 0.00 0.08 0.00 0.04 99.71 02:30:01 all 0.25 0.00 0.18 0.03 0.03 99.50 02:30:01 0 0.26 0.00 0.17 0.03 0.03 99.52 02:30:01 1 0.25 0.00 0.20 0.04 0.03 99.48 02:40:12 all 0.23 0.00 0.08 0.06 0.03 99.60 02:40:12 0 0.30 0.00 0.06 0.09 0.03 99.51 02:40:12 1 0.17 0.00 0.09 0.03 0.03 99.69 02:50:12 all 0.37 0.00 0.12 0.03 0.02 99.44 02:50:12 0 0.48 0.00 0.12 0.03 0.02 99.36 02:50:12 1 0.27 0.00 0.13 0.04 0.03 99.53 03:00:01 all 11.28 0.00 1.88 0.90 0.05 85.90 03:00:01 0 13.61 0.00 2.11 1.13 0.05 83.11 03:00:01 1 8.95 0.00 1.65 0.68 0.04 88.68 03:10:12 all 6.51 0.00 0.67 0.04 0.06 92.72 03:10:12 0 5.21 0.00 0.63 0.02 0.06 94.09 03:10:12 1 7.81 0.00 0.71 0.07 0.06 91.36 Average: all 2.71 0.00 0.43 0.16 0.04 96.66 Average: 0 2.88 0.00 0.45 0.19 0.04 96.44 Average: 1 2.55 0.00 0.41 0.12 0.04 96.88