---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16624 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: 5599.94 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 746 5249 4 2242 7195 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:06:6e:42 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82522sec preferred_lft 82522sec inet6 fe80::f816:3eff:fe06:6e42/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16624) 05/19/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 15.99 13.72 2.20 0.07 153.07 47.28 14.70 01:10:08 1.89 0.25 1.62 0.01 31.63 73.88 0.22 01:20:08 1.38 0.00 1.36 0.01 0.01 15.85 0.84 01:30:01 1.51 0.00 1.48 0.03 0.00 17.76 1.44 01:40:08 15.10 1.08 1.56 12.46 82.47 95.45 107841.71 Average: 7.17 2.98 1.64 2.55 53.33 50.29 21825.96 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6233648 7536668 274560 3.38 34668 1465692 528572 5.76 442980 1231116 160 01:10:08 6184668 7514728 296128 3.64 35020 1492000 528824 5.76 452340 1248728 140 01:20:08 6191556 7522136 288712 3.55 35212 1492324 528900 5.76 452908 1249244 156 01:30:01 6194168 7525304 285484 3.51 35416 1492656 528900 5.76 452596 1249780 156 01:40:08 6042296 7442452 364620 4.48 40996 1553200 607476 6.62 549736 1303700 14252 Average: 6169267 7508258 301901 3.71 36262 1499174 544534 5.93 470112 1256514 2973 00:50:08 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 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.82 0.28 15.36 0.05 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 0.72 0.13 0.71 0.10 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 18.97 10.23 50.40 4.69 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 4.31 2.18 13.48 0.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16624) 05/19/26 _x86_64_ (2 CPU) 00:41:50 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.30 0.17 0.24 0.14 0.03 99.12 01:00:01 0 0.45 0.00 0.17 0.04 0.02 99.32 01:00:01 1 0.15 0.34 0.31 0.24 0.04 98.93 01:10:08 all 0.33 0.00 0.10 0.02 0.03 99.52 01:10:08 0 0.42 0.00 0.13 0.02 0.03 99.40 01:10:08 1 0.23 0.00 0.07 0.02 0.03 99.65 01:20:08 all 0.24 0.00 0.07 0.01 0.03 99.65 01:20:08 0 0.33 0.00 0.06 0.01 0.03 99.58 01:20:08 1 0.16 0.00 0.09 0.01 0.04 99.71 01:30:01 all 0.28 0.00 0.16 0.01 0.03 99.52 01:30:01 0 0.28 0.00 0.15 0.01 0.03 99.53 01:30:01 1 0.27 0.00 0.17 0.00 0.04 99.52 01:40:08 all 0.81 0.00 0.20 0.05 0.03 98.90 01:40:08 0 0.56 0.00 0.22 0.06 0.04 99.12 01:40:08 1 1.07 0.00 0.18 0.04 0.03 98.69 Average: all 0.39 0.03 0.15 0.05 0.03 99.34 Average: 0 0.41 0.00 0.15 0.03 0.03 99.39 Average: 1 0.38 0.07 0.16 0.06 0.03 99.30