---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1014 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 746 5201 4 2287 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:a6:24:6f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81721sec preferred_lft 81721sec inet6 fe80::f816:3eff:fea6:246f/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-1014) 08/01/26 _x86_64_ (2 CPU) 00:43:45 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:17 1.52 0.01 1.50 0.01 0.05 18.02 425.02 01:10:53 13.22 0.00 1.38 11.84 0.14 16.15 102983.64 01:20:01 1.42 0.00 1.40 0.02 0.01 16.30 1.18 01:30:27 1.35 0.00 1.32 0.03 0.00 16.55 419.40 01:40:54 1.74 0.24 1.48 0.03 29.64 73.01 1.31 01:50:21 15.49 1.72 12.70 1.07 124.55 2491.78 217.05 02:00:07 11.28 1.27 8.64 1.37 111.85 1196.28 295.98 Average: 6.53 0.45 3.94 2.14 36.82 523.08 15771.68 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:17 6298116 7545088 274980 3.38 30652 1422208 530924 5.78 444368 1183728 180 01:10:53 6299448 7547048 272980 3.36 30868 1422612 530992 5.78 444608 1184320 168 01:20:01 6291960 7540060 279988 3.44 31068 1422908 531056 5.78 447332 1184816 124 01:30:27 6282956 7531636 288280 3.54 31292 1423236 531160 5.79 447440 1185368 176 01:40:54 6234144 7510356 309180 3.80 31688 1450024 740356 8.06 462480 1203660 172 01:50:21 5496564 7436048 343432 4.22 71984 2038768 588060 6.41 541848 1815696 3572 02:00:07 5239292 7456348 309540 3.81 87688 2289072 557344 6.07 541272 2052828 2036 Average: 6020354 7509512 296911 3.65 45034 1638404 572842 6.24 475621 1401488 918 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:17 ens3 0.93 0.09 0.14 0.04 0.00 0.00 0.00 0.00 01:10:53 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:53 ens3 1.49 0.08 0.23 0.05 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 1.27 0.17 0.30 0.14 0.00 0.00 0.00 0.00 01:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:27 ens3 0.89 0.21 0.14 0.53 0.00 0.00 0.00 0.00 01:40:54 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:54 ens3 1.21 0.30 3.26 0.10 0.00 0.00 0.00 0.00 01:50:21 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 01:50:21 ens3 43.71 27.90 294.90 6.59 0.00 0.00 0.00 0.00 02:00:07 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:00:07 ens3 84.32 61.61 52.10 13.46 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.49 12.47 47.60 2.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1014) 08/01/26 _x86_64_ (2 CPU) 00:43:45 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:17 all 0.29 0.00 0.15 0.01 0.03 99.52 01:00:17 0 0.19 0.00 0.16 0.00 0.03 99.62 01:00:17 1 0.38 0.00 0.14 0.02 0.03 99.42 01:10:53 all 0.25 0.00 0.08 0.03 0.03 99.60 01:10:53 0 0.06 0.00 0.09 0.00 0.03 99.82 01:10:53 1 0.44 0.00 0.08 0.06 0.03 99.38 01:20:01 all 0.28 0.00 0.07 0.01 0.03 99.61 01:20:01 0 0.16 0.00 0.09 0.01 0.03 99.72 01:20:01 1 0.41 0.00 0.05 0.01 0.02 99.50 01:30:27 all 0.28 0.00 0.13 0.01 0.03 99.55 01:30:27 0 0.08 0.00 0.16 0.01 0.03 99.71 01:30:27 1 0.48 0.00 0.10 0.01 0.02 99.39 01:40:54 all 0.34 0.00 0.10 0.03 0.03 99.51 01:40:54 0 0.24 0.00 0.11 0.01 0.03 99.61 01:40:54 1 0.43 0.00 0.08 0.05 0.02 99.42 01:50:21 all 6.53 0.00 0.98 0.37 0.04 92.08 01:50:21 0 11.46 0.00 1.37 0.47 0.03 86.67 01:50:21 1 1.60 0.00 0.58 0.28 0.05 97.49 02:00:07 all 10.20 0.00 1.39 0.25 0.06 88.11 02:00:07 0 10.83 0.00 1.45 0.19 0.06 87.48 02:00:07 1 9.56 0.00 1.32 0.31 0.05 88.75 Average: all 2.51 0.00 0.40 0.10 0.03 96.96 Average: 0 3.16 0.00 0.48 0.09 0.03 96.24 Average: 1 1.86 0.00 0.33 0.10 0.03 97.67