---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36560 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 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 753 5193 4 2287 7188 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:c6:5b:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.138/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79791sec preferred_lft 79791sec inet6 fe80::f816:3eff:fec6:5b42/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36560) 07/17/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.62 0.02 1.59 0.01 1.24 18.37 435.42 02:10:14 1.32 0.01 1.31 0.00 0.05 15.70 0.12 02:20:04 14.15 0.01 1.40 12.75 0.16 16.15 111042.37 02:30:01 2.03 0.25 1.76 0.02 31.12 77.46 437.78 02:40:14 1.38 0.00 1.38 0.00 0.00 15.74 0.00 02:50:14 1.35 0.00 1.35 0.00 0.00 15.49 0.00 03:00:01 1.36 0.00 1.33 0.02 0.00 16.45 446.66 03:10:04 26.78 2.85 21.57 2.37 224.41 3586.20 1475.81 03:20:14 1.26 0.00 1.24 0.02 0.00 15.16 1.30 03:30:01 1.45 0.00 1.42 0.03 0.00 17.35 1.23 Average: 5.26 0.31 3.45 1.50 25.81 381.35 11196.85 01:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6291004 7542528 277984 3.42 30600 1426540 531564 5.79 440472 1187460 160 02:10:14 6298828 7550888 269656 3.32 30796 1426872 531564 5.79 440516 1187988 232 02:20:04 6297680 7550288 270260 3.32 30972 1427232 531564 5.79 440580 1188504 200 02:30:01 6243764 7523660 296096 3.64 31316 1453772 731396 7.97 454924 1206624 276 02:40:14 6243260 7523792 295960 3.64 31484 1454236 731488 7.97 462792 1207120 248 02:50:14 6250096 7531120 288664 3.55 31644 1454556 731620 7.97 462928 1207608 168 03:00:01 6241608 7523164 296576 3.65 31840 1454880 731744 7.97 455908 1208128 284 03:10:04 5184016 7406088 359972 4.43 87420 2294000 837368 9.12 598220 2057268 232 03:20:14 5183496 7406112 360024 4.43 87620 2294348 837432 9.12 598276 2057816 244 03:30:01 5171488 7394604 371356 4.57 87760 2294704 837520 9.12 598368 2058312 152 Average: 5940524 7495224 308655 3.80 48145 1698114 703326 7.66 495298 1456683 220 01:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.25 0.07 0.15 0.03 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.61 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.71 0.03 5.65 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.60 0.23 3.43 0.03 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.41 0.09 0.11 0.05 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.44 0.10 0.14 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.49 0.23 0.13 0.61 0.00 0.00 0.00 0.00 03:10:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:04 ens3 65.45 45.60 323.93 11.38 0.00 0.00 0.00 0.00 03:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:14 ens3 1.35 0.14 0.17 0.03 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 0.54 0.31 0.15 0.08 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 7.22 4.71 33.56 1.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36560) 07/17/26 _x86_64_ (2 CPU) 01:47:56 LINUX RESTART (2 CPU) 01:50:00 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.26 0.00 0.17 0.02 0.03 99.54 02:00:01 0 0.08 0.00 0.16 0.02 0.03 99.71 02:00:01 1 0.44 0.00 0.17 0.01 0.03 99.36 02:10:14 all 0.28 0.00 0.08 0.01 0.03 99.61 02:10:14 0 0.06 0.00 0.10 0.02 0.04 99.79 02:10:14 1 0.49 0.00 0.05 0.00 0.02 99.43 02:20:04 all 0.25 0.00 0.09 0.05 0.03 99.59 02:20:04 0 0.06 0.00 0.12 0.09 0.04 99.69 02:20:04 1 0.43 0.00 0.06 0.01 0.02 99.48 02:30:01 all 0.41 0.00 0.18 0.03 0.03 99.36 02:30:01 0 0.30 0.00 0.18 0.00 0.03 99.50 02:30:01 1 0.51 0.00 0.19 0.05 0.03 99.22 02:40:14 all 0.27 0.00 0.07 0.01 0.03 99.61 02:40:14 0 0.44 0.00 0.06 0.00 0.02 99.47 02:40:14 1 0.11 0.00 0.09 0.02 0.04 99.75 02:50:14 all 0.23 0.00 0.08 0.02 0.03 99.64 02:50:14 0 0.40 0.00 0.07 0.04 0.03 99.46 02:50:14 1 0.06 0.00 0.08 0.01 0.03 99.82 03:00:01 all 0.28 0.00 0.16 0.01 0.03 99.52 03:00:01 0 0.45 0.00 0.15 0.00 0.02 99.38 03:00:01 1 0.11 0.00 0.16 0.02 0.04 99.67 03:10:04 all 11.88 0.00 1.73 0.73 0.06 85.60 03:10:04 0 13.97 0.00 1.94 0.74 0.05 83.31 03:10:04 1 9.78 0.00 1.53 0.71 0.07 87.90 03:20:14 all 0.36 0.00 0.13 0.01 0.06 99.44 03:20:14 0 0.44 0.00 0.07 0.00 0.03 99.46 03:20:14 1 0.28 0.00 0.20 0.01 0.08 99.43 03:30:01 all 0.41 0.00 0.21 0.01 0.06 99.32 03:30:01 0 0.33 0.00 0.25 0.01 0.07 99.33 03:30:01 1 0.49 0.00 0.17 0.01 0.04 99.30 Average: all 1.47 0.00 0.29 0.09 0.04 98.12 Average: 0 1.66 0.00 0.31 0.09 0.04 97.90 Average: 1 1.27 0.00 0.27 0.09 0.04 98.33