---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19625 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 759 5130 4 2343 7182 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:73:17:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81938sec preferred_lft 81938sec inet6 fe80::f816:3eff:fe73:1788/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19625) 05/25/26 _x86_64_ (2 CPU) 00:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:10 1.58 0.02 1.54 0.03 0.81 18.48 436.89 00:20:00 1.60 0.12 1.47 0.02 3.54 18.40 340.88 00:30:10 13.95 0.00 1.58 12.37 0.14 19.27 107766.77 00:40:10 23.63 3.18 18.18 2.27 233.36 3555.71 611.97 00:50:01 1.30 0.00 1.29 0.02 0.00 21.73 1.10 Average: 8.47 0.66 4.82 2.99 47.70 728.76 22253.63 00:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:10 6257592 7532156 287896 3.54 31180 1448668 528920 5.76 453864 1201712 184 00:20:00 6249092 7524340 295580 3.63 31496 1448960 528072 5.75 454072 1202104 144 00:30:10 6259372 7535308 284412 3.50 31676 1449460 555484 6.05 458544 1202628 124 00:40:10 5147000 7379016 388540 4.78 87228 2305304 676440 7.37 625936 2068036 124 00:50:01 5144408 7378800 388708 4.78 87388 2307500 678844 7.39 627136 2070376 252 Average: 5811493 7469924 329027 4.05 53794 1791978 593552 6.46 523910 1548971 166 00:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:10 ens3 0.30 0.05 0.07 0.03 0.00 0.00 0.00 0.00 00:20:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:00 ens3 0.21 0.05 0.04 0.02 0.00 0.00 0.00 0.00 00:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:10 ens3 0.51 0.22 0.16 0.52 0.00 0.00 0.00 0.00 00:40:10 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:10 ens3 78.31 51.91 342.99 14.59 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.49 0.82 0.37 0.21 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 16.21 10.64 68.93 3.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19625) 05/25/26 _x86_64_ (2 CPU) 00:00:10 CPU %user %nice %system %iowait %steal %idle 00:10:10 all 0.30 0.00 0.10 0.01 0.03 99.55 00:10:10 0 0.42 0.00 0.09 0.01 0.03 99.45 00:10:10 1 0.18 0.00 0.11 0.01 0.04 99.66 00:20:00 all 0.50 0.00 0.22 0.01 0.03 99.23 00:20:00 0 0.41 0.00 0.24 0.01 0.04 99.30 00:20:00 1 0.60 0.00 0.20 0.01 0.03 99.17 00:30:10 all 0.32 0.00 0.16 0.03 0.03 99.46 00:30:10 0 0.34 0.00 0.15 0.01 0.03 99.47 00:30:10 1 0.29 0.00 0.17 0.05 0.03 99.46 00:40:10 all 16.13 0.00 1.77 0.57 0.07 81.46 00:40:10 0 20.18 0.00 1.94 0.43 0.08 77.36 00:40:10 1 12.07 0.00 1.60 0.71 0.07 85.55 00:50:01 all 0.86 0.00 0.24 0.01 0.06 98.83 00:50:01 0 0.87 0.00 0.23 0.01 0.05 98.84 00:50:01 1 0.84 0.00 0.26 0.01 0.06 98.83 Average: all 3.63 0.00 0.50 0.13 0.05 95.70 Average: 0 4.45 0.00 0.53 0.09 0.05 94.88 Average: 1 2.80 0.00 0.47 0.16 0.04 96.53