---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36191 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: 5600.00 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 743 4961 4 2532 7198 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:59:b3:3f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82832sec preferred_lft 82832sec inet6 fe80::f816:3eff:fe59:b33f/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-36191) 07/16/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 23.60 2.46 18.79 2.35 210.72 3466.87 567.60 01:00:02 1.46 0.01 1.42 0.03 0.05 18.61 2.92 01:10:02 14.97 0.00 1.48 13.49 0.15 161.32 106524.18 01:20:00 1.45 0.00 1.43 0.02 0.01 245.39 0.83 01:30:24 2.02 0.25 1.74 0.03 30.81 88.95 1.98 Average: 8.63 0.54 4.93 3.16 48.04 787.64 21275.42 00:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5091424 7277520 489624 6.02 86208 2259792 724832 7.89 671732 2031288 272 01:00:02 4880844 7067572 699276 8.60 86412 2260224 862284 9.39 809764 2031920 276 01:10:02 4856832 7087764 678884 8.35 86572 2304092 956544 10.42 887848 2075924 228 01:20:00 4861984 7162904 602656 7.41 86716 2372992 892464 9.72 823456 2144968 208 01:30:24 4766868 7099132 665768 8.19 86980 2403644 923232 10.06 863844 2166808 192 Average: 4891590 7138978 627242 7.71 86578 2320149 871871 9.50 811329 2090182 235 00:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 00:50:01 ens3 82.38 63.54 728.85 10.15 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 34.48 32.08 534.20 2.13 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 75.86 71.64 1198.75 4.72 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 25.34 23.31 384.97 1.61 0.00 0.00 0.00 0.00 01:30:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 20.34 19.53 327.68 1.32 0.00 0.00 0.00 0.00 Average: lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 47.43 41.82 632.48 3.96 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36191) 07/16/26 _x86_64_ (2 CPU) 00:39:35 LINUX RESTART (2 CPU) 00:40:03 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 11.98 0.00 1.88 0.63 0.07 85.45 00:50:01 0 6.99 0.00 1.53 0.63 0.08 90.77 00:50:01 1 16.96 0.00 2.22 0.63 0.06 80.13 01:00:02 all 0.66 0.00 0.36 0.01 0.07 98.89 01:00:02 0 0.65 0.00 0.46 0.01 0.09 98.79 01:00:02 1 0.66 0.00 0.26 0.01 0.06 99.00 01:10:02 all 1.08 0.00 0.55 0.03 0.08 98.26 01:10:02 0 0.81 0.00 0.43 0.01 0.06 98.70 01:10:02 1 1.34 0.00 0.68 0.06 0.10 97.83 01:20:00 all 0.73 0.00 0.19 0.01 0.07 98.99 01:20:00 0 0.71 0.00 0.23 0.01 0.08 98.97 01:20:00 1 0.75 0.00 0.16 0.01 0.07 99.01 01:30:24 all 0.70 0.00 0.33 0.02 0.08 98.88 01:30:24 0 0.68 0.00 0.35 0.03 0.10 98.84 01:30:24 1 0.71 0.00 0.32 0.01 0.05 98.91 Average: all 3.00 0.00 0.66 0.14 0.07 96.13 Average: 0 1.95 0.00 0.60 0.13 0.08 97.23 Average: 1 4.05 0.00 0.72 0.14 0.07 95.02