---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27453 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 790 5087 4 2357 7151 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:08:a1:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81371sec preferred_lft 81371sec inet6 fe80::f816:3eff:fe08:a1c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27453) 06/15/26 _x86_64_ (2 CPU) 00:43:17 LINUX RESTART (2 CPU) 00:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 2.01 0.26 1.72 0.03 30.98 77.16 653.63 01:10:07 1.46 0.01 1.45 0.00 1.05 16.98 0.05 01:20:08 1.39 0.00 1.39 0.00 0.01 16.24 0.00 01:30:05 1.50 0.00 1.49 0.01 0.00 18.20 656.87 01:40:09 1.86 0.40 1.46 0.00 15.72 48.00 0.00 01:50:11 23.18 2.60 18.31 2.27 211.17 3383.44 537.38 02:00:11 1.67 0.00 1.64 0.02 0.00 72.07 0.41 Average: 4.73 0.47 3.93 0.34 37.05 519.55 263.59 00:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6238632 7516220 303496 3.73 30932 1452108 725408 7.90 455244 1204924 216 01:10:07 6253112 7531524 288200 3.54 31112 1452748 529596 5.77 450096 1205424 232 01:20:08 6275560 7554484 265240 3.26 31284 1453076 529684 5.77 450508 1205932 180 01:30:05 6265268 7544720 274892 3.38 31464 1453408 529864 5.77 450384 1206436 224 01:40:09 6209260 7504064 315288 3.88 31760 1468232 568796 6.20 488456 1219920 220 01:50:11 5189128 7395348 371500 4.57 86944 2279648 706988 7.70 603404 2042472 532 02:00:11 5176504 7398088 368804 4.53 87076 2294864 653576 7.12 600824 2057824 152 Average: 5943923 7492064 312489 3.84 47225 1693441 606273 6.60 499845 1448990 251 00:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 1.31 0.29 3.31 0.11 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.87 0.08 6.34 0.04 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.60 0.21 0.31 0.56 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.32 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:09 ens3 8.28 5.41 23.59 2.73 0.00 0.00 0.00 0.00 01:50:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:11 ens3 75.41 56.08 294.28 10.49 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 46.70 43.08 10.24 5.79 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 19.09 15.04 48.38 2.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27453) 06/15/26 _x86_64_ (2 CPU) 00:43:17 LINUX RESTART (2 CPU) 00:50:06 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.44 0.00 0.18 0.03 0.03 99.31 01:00:07 0 0.50 0.00 0.16 0.04 0.03 99.28 01:00:07 1 0.38 0.00 0.21 0.03 0.04 99.35 01:10:07 all 0.25 0.00 0.07 0.01 0.04 99.63 01:10:07 0 0.44 0.00 0.05 0.02 0.03 99.46 01:10:07 1 0.05 0.00 0.09 0.01 0.05 99.81 01:20:08 all 0.25 0.00 0.08 0.01 0.04 99.62 01:20:08 0 0.43 0.00 0.04 0.02 0.02 99.48 01:20:08 1 0.07 0.00 0.11 0.01 0.05 99.76 01:30:05 all 0.26 0.00 0.16 0.02 0.03 99.54 01:30:05 0 0.36 0.00 0.13 0.03 0.03 99.45 01:30:05 1 0.15 0.00 0.18 0.01 0.04 99.63 01:40:09 all 0.48 0.00 0.10 0.02 0.03 99.37 01:40:09 0 0.68 0.00 0.06 0.03 0.02 99.21 01:40:09 1 0.28 0.00 0.13 0.00 0.04 99.54 01:50:11 all 14.28 0.00 1.83 0.62 0.08 83.19 01:50:11 0 12.00 0.00 1.67 0.48 0.08 85.78 01:50:11 1 16.57 0.00 1.99 0.76 0.08 80.60 02:00:11 all 6.17 0.00 0.59 0.02 0.08 93.14 02:00:11 0 5.93 0.00 0.58 0.01 0.08 93.40 02:00:11 1 6.41 0.00 0.59 0.02 0.09 92.89 Average: all 3.15 0.00 0.43 0.10 0.05 96.27 Average: 0 2.90 0.00 0.38 0.09 0.04 96.59 Average: 1 3.40 0.00 0.47 0.12 0.06 95.95