---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4164 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 7.9G 30G 21% / 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 735 5305 4 2189 7206 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:f2:70:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79978sec preferred_lft 79978sec inet6 fe80::f816:3eff:fef2:70ea/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-4164) 04/18/26 _x86_64_ (2 CPU) 01:56:42 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:17 1.46 0.02 1.43 0.00 1.21 16.99 0.12 02:20:32 1.38 0.01 1.37 0.00 0.07 15.89 0.12 02:30:01 1.52 0.00 1.51 0.01 0.00 17.67 459.76 02:40:17 1.31 0.00 1.31 0.00 0.00 15.47 0.00 02:50:17 1.40 0.00 1.40 0.00 0.00 16.09 0.00 03:00:17 14.74 0.32 1.84 12.59 40.21 76.69 109784.54 03:10:17 24.30 3.02 19.03 2.25 228.33 3143.37 601.31 03:20:17 1.40 0.00 1.38 0.02 0.00 18.51 1.52 03:30:01 1.47 0.00 1.43 0.03 0.00 21.01 1.74 03:40:07 1.31 0.00 1.29 0.02 0.00 17.39 1.19 Average: 5.02 0.34 3.20 1.49 26.95 335.53 11069.96 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:17 6289172 7540872 279928 3.44 30620 1426728 520372 5.67 447912 1187156 176 02:20:32 6288920 7541140 279644 3.44 30796 1427056 524344 5.71 450188 1187668 124 02:30:01 6286948 7539700 280952 3.45 30968 1427384 524344 5.71 450244 1188168 156 02:40:17 6294284 7547548 273132 3.36 31152 1427708 524344 5.71 450440 1188676 176 02:50:17 6293528 7547296 273408 3.36 31320 1428036 524412 5.71 450512 1189172 132 03:00:17 6243548 7526760 293248 3.61 31696 1456676 524616 5.71 462524 1206656 188 03:10:17 5224888 7342128 429636 5.28 85208 2196088 713648 7.77 623280 1954020 184 03:20:17 5217904 7336056 435844 5.36 85376 2196832 671776 7.32 630816 1954936 132 03:30:01 5227652 7347140 424748 5.22 85544 2198000 660024 7.19 619424 1956272 164 03:40:07 5213952 7334532 437388 5.38 85712 2198924 672184 7.32 631720 1957236 212 Average: 5858080 7460317 340793 4.19 52839 1738343 586006 6.38 521706 1496996 164 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 1.03 0.04 0.09 0.01 0.00 0.00 0.00 0.00 02:20:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:32 ens3 0.41 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.39 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.51 0.08 0.13 0.06 0.00 0.00 0.00 0.00 02:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 0.28 0.06 0.08 0.04 0.00 0.00 0.00 0.00 03:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:17 ens3 0.65 0.41 3.19 0.65 0.00 0.00 0.00 0.00 03:10:17 lo 1.30 1.30 0.10 0.10 0.00 0.00 0.00 0.00 03:10:17 ens3 71.06 50.06 379.68 11.85 0.00 0.00 0.00 0.00 03:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:17 ens3 12.41 10.78 179.70 0.71 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 14.23 12.83 185.30 0.92 0.00 0.00 0.00 0.00 03:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:07 ens3 14.00 12.16 197.55 0.86 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 11.46 8.62 94.19 1.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4164) 04/18/26 _x86_64_ (2 CPU) 01:56:42 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:17 all 0.28 0.00 0.08 0.01 0.02 99.61 02:10:17 0 0.48 0.00 0.05 0.00 0.01 99.45 02:10:17 1 0.08 0.00 0.10 0.02 0.02 99.77 02:20:32 all 0.26 0.00 0.08 0.69 0.02 98.95 02:20:32 0 0.14 0.00 0.08 0.03 0.02 99.73 02:20:32 1 0.38 0.00 0.08 1.34 0.02 98.18 02:30:01 all 0.27 0.00 0.17 0.02 0.02 99.53 02:30:01 0 0.07 0.00 0.18 0.01 0.02 99.72 02:30:01 1 0.47 0.00 0.15 0.03 0.02 99.34 02:40:17 all 0.28 0.00 0.08 0.21 0.02 99.41 02:40:17 0 0.30 0.00 0.08 0.11 0.02 99.49 02:40:17 1 0.26 0.00 0.09 0.31 0.02 99.33 02:50:17 all 0.28 0.00 0.08 0.04 0.02 99.59 02:50:17 0 0.28 0.00 0.08 0.05 0.02 99.57 02:50:17 1 0.28 0.00 0.08 0.02 0.02 99.61 03:00:17 all 0.41 0.00 0.23 0.10 0.02 99.24 03:00:17 0 0.29 0.00 0.22 0.10 0.02 99.37 03:00:17 1 0.53 0.00 0.25 0.10 0.02 99.11 03:10:17 all 12.44 0.00 1.90 1.33 0.06 84.27 03:10:17 0 13.68 0.00 1.99 1.40 0.06 82.87 03:10:17 1 11.21 0.00 1.80 1.26 0.06 85.67 03:20:17 all 0.57 0.00 0.21 0.01 0.03 99.18 03:20:17 0 0.57 0.00 0.30 0.01 0.05 99.08 03:20:17 1 0.57 0.00 0.13 0.01 0.02 99.27 03:30:01 all 0.68 0.00 0.32 0.02 0.03 98.95 03:30:01 0 0.69 0.00 0.35 0.01 0.04 98.91 03:30:01 1 0.68 0.00 0.29 0.03 0.03 98.98 03:40:07 all 0.54 0.00 0.19 0.07 0.05 99.15 03:40:07 0 0.56 0.00 0.17 0.13 0.05 99.09 03:40:07 1 0.53 0.00 0.21 0.01 0.04 99.21 Average: all 1.60 0.00 0.33 0.25 0.03 97.79 Average: 0 1.70 0.00 0.35 0.19 0.03 97.73 Average: 1 1.49 0.00 0.31 0.32 0.03 97.85