---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32456 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 8.2G 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 761 4896 4 2580 7180 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:ed:ca:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82642sec preferred_lft 82642sec inet6 fe80::f816:3eff:feed:cab7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32456) 07/03/26 _x86_64_ (2 CPU) 00:37:35 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:25 24.04 1.48 8.41 14.15 138.09 1272.42 105247.43 01:00:01 1.63 0.01 1.58 0.04 1.15 20.18 1.92 01:10:14 1.42 0.00 1.39 0.03 0.00 115.15 1.23 01:20:01 1.54 0.00 1.49 0.05 0.01 362.27 1.51 01:30:01 1.50 0.00 1.46 0.04 0.00 56.59 1.67 Average: 6.15 0.31 2.90 2.94 28.60 371.45 21626.88 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:25 4984684 7185432 581732 7.15 86060 2275364 1006560 10.96 780976 2037664 128 01:00:01 4992348 7194060 572996 7.05 86252 2276116 809980 8.82 778392 2038296 192 01:10:14 5032864 7265656 501228 6.16 86460 2306800 776796 8.46 729064 2069180 488 01:20:01 4794588 7130516 634680 7.80 86636 2408332 902580 9.83 854600 2170896 168 01:30:01 4762776 7110768 654184 8.04 86812 2420036 913464 9.95 865820 2182776 172 Average: 4913452 7177286 588964 7.24 86444 2337330 881876 9.61 801770 2099762 230 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:25 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 00:50:25 ens3 62.67 46.18 461.16 6.92 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 46.09 37.47 638.30 2.49 0.00 0.00 0.00 0.00 01:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:14 ens3 68.82 62.57 1144.71 4.22 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 25.95 24.24 385.47 1.66 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 23.60 21.64 343.76 1.46 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 45.68 38.63 596.84 3.38 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32456) 07/03/26 _x86_64_ (2 CPU) 00:37:35 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:25 all 5.96 0.00 1.01 0.30 0.08 92.66 00:50:25 0 6.32 0.00 1.22 0.19 0.10 92.17 00:50:25 1 5.60 0.00 0.79 0.40 0.05 93.15 01:00:01 all 0.74 0.00 0.43 0.01 0.08 98.74 01:00:01 0 0.71 0.00 0.37 0.00 0.08 98.84 01:00:01 1 0.77 0.00 0.49 0.01 0.09 98.65 01:10:14 all 1.11 0.00 0.55 0.01 0.07 98.25 01:10:14 0 1.28 0.00 0.61 0.01 0.06 98.05 01:10:14 1 0.95 0.00 0.50 0.01 0.08 98.46 01:20:01 all 0.75 0.00 0.20 0.02 0.06 98.98 01:20:01 0 0.57 0.00 0.17 0.02 0.05 99.19 01:20:01 1 0.93 0.00 0.23 0.01 0.06 98.76 01:30:01 all 0.62 0.00 0.31 0.01 0.07 98.98 01:30:01 0 0.60 0.00 0.43 0.02 0.09 98.86 01:30:01 1 0.65 0.00 0.20 0.01 0.05 99.10 Average: all 1.87 0.00 0.50 0.07 0.07 97.49 Average: 0 1.93 0.00 0.57 0.05 0.08 97.38 Average: 1 1.81 0.00 0.44 0.09 0.07 97.59