---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12600 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 751 4918 4 2564 7190 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:8f:b6:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82595sec preferred_lft 82595sec inet6 fe80::f816:3eff:fe8f:b6cb/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-12600) 05/11/26 _x86_64_ (2 CPU) 00:39:32 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 21.92 2.12 17.56 2.24 170.88 3150.31 511.40 01:00:00 15.06 0.01 1.60 13.45 1.25 21.12 106771.42 01:10:00 1.27 0.00 1.26 0.01 0.00 62.64 0.39 01:20:00 1.47 0.00 1.44 0.03 0.01 396.84 3.73 01:30:20 1.82 0.00 1.79 0.03 0.00 181.33 1.86 01:40:00 1.45 0.00 1.44 0.01 0.00 18.72 0.08 Average: 7.16 0.36 4.18 2.63 28.66 638.83 17886.04 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5055372 7168792 602812 7.41 84076 2193856 1031620 11.24 789384 1954552 220 01:00:00 5105932 7220324 551148 6.78 84252 2194620 787900 8.58 734968 1955152 168 01:10:00 5107628 7236760 534700 6.57 84416 2209192 805540 8.77 735436 1969888 172 01:20:00 4872908 7127908 641576 7.89 84612 2333196 927916 10.11 857480 2094080 9604 01:30:20 4754032 7050128 718596 8.84 84820 2373512 993152 10.82 923448 2134600 12 01:40:00 4751720 7048540 720132 8.85 84968 2374064 988596 10.77 918484 2135184 124 Average: 4941265 7142075 628161 7.72 84524 2279740 922454 10.05 826533 2040576 1717 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:50:00 ens3 77.56 61.36 712.07 9.10 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 28.31 27.32 459.06 1.82 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 72.76 69.30 1180.62 4.57 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 26.67 25.89 428.52 1.77 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 25.62 23.81 389.98 1.60 0.00 0.00 0.00 0.00 01:40:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 12.79 11.71 186.86 0.83 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 40.68 36.63 560.61 3.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12600) 05/11/26 _x86_64_ (2 CPU) 00:39:32 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 10.60 0.00 1.77 0.67 0.07 86.89 00:50:00 0 7.31 0.00 1.46 0.36 0.05 90.82 00:50:00 1 13.90 0.00 2.08 0.98 0.08 82.97 01:00:00 all 0.66 0.00 0.39 0.03 0.05 98.87 01:00:00 0 0.76 0.00 0.54 0.05 0.07 98.59 01:00:00 1 0.57 0.00 0.24 0.01 0.04 99.14 01:10:00 all 1.12 0.00 0.58 0.01 0.07 98.22 01:10:00 0 0.90 0.00 0.44 0.01 0.08 98.56 01:10:00 1 1.33 0.00 0.72 0.01 0.06 97.88 01:20:00 all 0.79 0.00 0.21 0.01 0.08 98.91 01:20:00 0 0.66 0.00 0.14 0.02 0.05 99.14 01:20:00 1 0.93 0.00 0.29 0.01 0.10 98.67 01:30:20 all 0.71 0.00 0.34 0.02 0.07 98.86 01:30:20 0 0.70 0.00 0.43 0.02 0.08 98.77 01:30:20 1 0.72 0.00 0.25 0.01 0.06 98.96 01:40:00 all 0.49 0.00 0.21 0.01 0.06 99.23 01:40:00 0 0.45 0.00 0.32 0.02 0.08 99.13 01:40:00 1 0.54 0.00 0.09 0.01 0.04 99.33 Average: all 2.40 0.00 0.58 0.12 0.07 96.83 Average: 0 1.80 0.00 0.55 0.08 0.07 97.50 Average: 1 2.99 0.00 0.61 0.17 0.06 96.16