---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1354 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 766 5198 4 2265 7175 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:08:41:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81318sec preferred_lft 81318sec inet6 fe80::f816:3eff:fe08:41a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1354) 04/09/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.54 0.01 1.51 0.02 0.05 17.97 448.47 01:10:28 1.24 0.00 1.22 0.02 0.00 14.95 1.15 01:20:28 13.99 0.01 1.44 12.54 0.16 17.07 109179.24 01:30:01 2.22 0.33 1.84 0.05 40.85 78.95 685.78 01:40:18 3.56 1.30 2.19 0.07 94.89 204.58 4.76 01:50:28 20.25 1.66 16.43 2.15 129.56 2930.77 565.89 02:00:01 1.58 0.00 1.56 0.02 0.36 74.30 0.24 Average: 6.41 0.48 3.79 2.14 38.56 485.69 15898.59 00:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6292712 7539300 281504 3.46 30680 1421624 529072 5.76 441916 1183416 160 01:10:28 6292264 7539400 281396 3.46 30888 1421956 529340 5.77 442100 1183956 228 01:20:28 6288484 7536196 284568 3.50 31084 1422324 531376 5.79 441680 1184492 124 01:30:01 6241416 7517912 302216 3.72 31480 1450328 729576 7.95 458760 1201828 124 01:40:18 5991660 7402564 410360 5.05 42272 1567712 637156 6.94 587648 1316920 55776 01:50:28 5274900 7391036 381180 4.69 85096 2195244 671904 7.32 623908 1954364 988 02:00:01 5248156 7379524 392528 4.83 85236 2210348 673944 7.34 626816 1969472 388 Average: 5947085 7472276 333393 4.10 48105 1669934 614624 6.69 517547 1427778 8255 00:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.59 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:28 ens3 0.90 0.07 3.03 0.03 0.00 0.00 0.00 0.00 01:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:28 ens3 0.41 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.50 0.25 3.23 0.05 0.00 0.00 0.00 0.00 01:40:18 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 20.83 11.40 78.87 4.66 0.00 0.00 0.00 0.00 01:50:28 lo 1.26 1.26 0.07 0.07 0.00 0.00 0.00 0.00 01:50:28 ens3 64.25 47.90 218.85 8.78 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 45.56 42.99 10.07 5.75 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 19.02 14.62 45.85 2.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1354) 04/09/26 _x86_64_ (2 CPU) 00:41:48 LINUX RESTART (2 CPU) 00:50:17 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.03 0.03 99.49 01:00:01 0 0.23 0.00 0.14 0.06 0.03 99.55 01:00:01 1 0.35 0.00 0.17 0.01 0.03 99.44 01:10:28 all 0.23 0.00 0.07 0.02 0.03 99.65 01:10:28 0 0.41 0.00 0.05 0.03 0.03 99.49 01:10:28 1 0.05 0.00 0.09 0.01 0.04 99.81 01:20:28 all 0.27 0.00 0.08 0.06 0.03 99.55 01:20:28 0 0.45 0.00 0.08 0.11 0.03 99.33 01:20:28 1 0.10 0.00 0.09 0.01 0.03 99.77 01:30:01 all 0.39 0.00 0.20 0.05 0.03 99.34 01:30:01 0 0.55 0.00 0.20 0.04 0.03 99.18 01:30:01 1 0.23 0.00 0.19 0.05 0.03 99.49 01:40:18 all 1.50 0.00 0.27 0.16 0.03 98.04 01:40:18 0 2.40 0.00 0.35 0.08 0.02 97.15 01:40:18 1 0.61 0.00 0.19 0.23 0.04 98.93 01:50:28 all 12.94 0.00 1.66 1.01 0.07 84.33 01:50:28 0 13.29 0.00 1.76 1.20 0.07 83.67 01:50:28 1 12.58 0.00 1.56 0.82 0.06 84.98 02:00:01 all 5.90 0.00 0.57 0.03 0.07 93.43 02:00:01 0 5.08 0.00 0.59 0.02 0.07 94.24 02:00:01 1 6.72 0.00 0.55 0.04 0.07 92.62 Average: all 3.07 0.00 0.43 0.20 0.04 96.26 Average: 0 3.21 0.00 0.45 0.22 0.04 96.08 Average: 1 2.93 0.00 0.41 0.17 0.04 96.45