---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3148 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 793 5170 4 2266 7147 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:b2:31:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81148sec preferred_lft 81148sec inet6 fe80::f816:3eff:feb2:31ba/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-3148) 04/16/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:21 1.41 0.01 1.37 0.03 0.05 17.12 632.87 01:10:51 1.19 0.00 1.18 0.02 0.00 14.17 1.04 01:20:01 1.23 0.00 1.23 0.00 0.01 14.37 0.26 01:30:41 1.41 0.00 1.40 0.01 0.00 17.25 408.34 01:40:01 1.32 0.00 1.32 0.00 0.00 16.30 0.07 01:50:01 23.38 3.02 18.10 2.26 228.11 3252.64 1467.81 02:00:51 1.50 0.00 1.48 0.02 0.32 67.01 0.50 Average: 4.46 0.43 3.70 0.33 32.28 480.85 361.45 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:21 6226752 7502336 317260 3.90 30896 1450204 528232 5.75 464392 1200384 168 01:10:51 6226528 7502668 316924 3.90 31112 1450536 528364 5.75 464620 1200932 124 01:20:01 6226280 7502868 316720 3.89 31260 1450828 528396 5.76 465144 1201372 240 01:30:41 6232864 7510020 309524 3.81 31448 1451188 528396 5.76 464996 1201920 144 01:40:01 6240428 7518188 301340 3.71 31624 1451616 583724 6.36 463132 1202392 132 01:50:01 5283768 7400276 371180 4.56 85176 2195688 643568 7.01 604668 1954464 340 02:00:51 5263820 7395904 375476 4.62 85336 2211136 645712 7.03 607564 1969936 308 Average: 5957206 7476037 329775 4.06 46693 1665885 569485 6.20 504931 1418771 208 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:21 ens3 0.53 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:51 ens3 1.19 0.04 10.48 0.03 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 1.09 0.09 1.35 0.06 0.00 0.00 0.00 0.00 01:30:41 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:41 ens3 0.31 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.56 0.23 0.16 0.67 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 82.56 60.48 302.43 12.88 0.00 0.00 0.00 0.00 02:00:51 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:51 ens3 49.25 44.89 10.14 5.71 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 19.70 15.47 46.04 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3148) 04/16/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:21 all 0.26 0.00 0.16 0.01 0.02 99.55 01:00:21 0 0.43 0.00 0.15 0.00 0.02 99.40 01:00:21 1 0.09 0.00 0.17 0.01 0.03 99.70 01:10:51 all 0.25 0.00 0.07 0.01 0.02 99.66 01:10:51 0 0.44 0.00 0.04 0.01 0.02 99.49 01:10:51 1 0.05 0.00 0.09 0.00 0.03 99.83 01:20:01 all 0.26 0.00 0.07 0.01 0.02 99.63 01:20:01 0 0.43 0.00 0.05 0.01 0.02 99.49 01:20:01 1 0.09 0.00 0.09 0.02 0.03 99.77 01:30:41 all 0.24 0.00 0.15 0.01 0.03 99.57 01:30:41 0 0.24 0.00 0.14 0.01 0.03 99.58 01:30:41 1 0.24 0.00 0.17 0.01 0.03 99.56 01:40:01 all 0.28 0.00 0.07 0.01 0.02 99.61 01:40:01 0 0.34 0.00 0.07 0.01 0.02 99.56 01:40:01 1 0.22 0.00 0.08 0.01 0.03 99.67 01:50:01 all 13.78 0.00 1.85 0.61 0.06 83.71 01:50:01 0 15.45 0.00 1.95 0.57 0.06 81.97 01:50:01 1 12.12 0.00 1.74 0.65 0.06 85.43 02:00:51 all 6.08 0.00 0.59 0.01 0.06 93.27 02:00:51 0 6.43 0.00 0.56 0.01 0.06 92.94 02:00:51 1 5.73 0.00 0.61 0.01 0.05 93.59 Average: all 3.05 0.00 0.43 0.09 0.03 96.40 Average: 0 3.41 0.00 0.43 0.09 0.03 96.05 Average: 1 2.68 0.00 0.43 0.10 0.04 96.76