---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-5676 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: 5599.86 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 746 5227 4 2256 7195 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:bc:52:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82710sec preferred_lft 82710sec inet6 fe80::f816:3eff:febc:522a/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-5676) 04/21/26 _x86_64_ (2 CPU) 01:50:34 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 15.00 0.01 1.44 13.55 0.20 22.19 107693.94 02:20:16 1.45 0.00 1.45 0.00 0.01 20.46 0.03 02:30:21 1.75 0.00 1.71 0.04 0.00 141.12 396.38 02:40:01 2.08 0.33 1.72 0.03 41.48 92.48 1.30 02:50:16 1.44 0.00 1.43 0.01 0.34 21.55 0.18 Average: 4.31 0.07 1.55 2.69 8.10 59.15 21377.61 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 5289128 7372184 399752 4.92 84208 2163340 640136 6.97 583504 1932364 168 02:20:16 5298800 7383276 388692 4.78 84352 2164616 660040 7.19 603836 1933784 132 02:30:21 5248456 7369600 402260 4.95 84536 2201012 648152 7.06 590616 1970356 148 02:40:01 5100564 7255192 516172 6.35 84852 2233772 717028 7.81 671236 1992056 160 02:50:16 5277412 7437556 333796 4.10 84972 2239092 557464 6.07 547188 1997268 3552 Average: 5242872 7363562 408134 5.02 84584 2200366 644564 7.02 599276 1965166 832 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 13.13 12.43 141.04 1.09 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 5.48 5.23 32.32 0.64 0.00 0.00 0.00 0.00 02:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:21 ens3 14.62 13.65 155.86 1.52 0.00 0.00 0.00 0.00 02:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 25.07 23.61 265.22 2.24 0.00 0.00 0.00 0.00 02:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:16 ens3 9.03 8.50 55.43 0.89 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.33 12.55 128.22 1.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-5676) 04/21/26 _x86_64_ (2 CPU) 01:50:34 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.87 0.00 0.23 0.03 0.07 98.80 02:10:01 0 0.80 0.00 0.28 0.06 0.07 98.79 02:10:01 1 0.93 0.00 0.19 0.00 0.06 98.82 02:20:16 all 6.41 0.00 0.54 0.01 0.08 92.96 02:20:16 0 7.04 0.00 0.60 0.01 0.09 92.27 02:20:16 1 5.78 0.00 0.48 0.01 0.07 93.65 02:30:21 all 2.64 0.00 0.39 0.01 0.08 96.88 02:30:21 0 1.86 0.00 0.35 0.00 0.09 97.69 02:30:21 1 3.42 0.00 0.43 0.02 0.07 96.06 02:40:01 all 1.85 0.00 0.39 0.02 0.08 97.66 02:40:01 0 2.32 0.00 0.44 0.03 0.08 97.13 02:40:01 1 1.39 0.00 0.34 0.02 0.07 98.19 02:50:16 all 1.13 0.00 0.20 0.00 0.07 98.59 02:50:16 0 0.67 0.00 0.16 0.00 0.07 99.10 02:50:16 1 1.59 0.00 0.24 0.01 0.08 98.09 Average: all 2.58 0.00 0.35 0.01 0.08 96.98 Average: 0 2.53 0.00 0.36 0.02 0.08 97.01 Average: 1 2.63 0.00 0.34 0.01 0.07 96.95