---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54361 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 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 742 5305 4 2182 7199 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:bd:b8:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.157/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81497sec preferred_lft 81497sec inet6 fe80::f816:3eff:febd:b86a/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-54361) 03/31/26 _x86_64_ (2 CPU) 00:37:25 LINUX RESTART (2 CPU) 00:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 1.30 0.03 1.27 0.00 1.24 15.60 0.12 01:00:01 1.57 0.01 1.54 0.02 0.05 18.21 443.35 01:10:11 1.32 0.00 1.30 0.02 0.00 15.59 1.30 01:20:11 1.36 0.00 1.34 0.02 0.01 15.89 1.20 01:30:01 1.54 0.00 1.52 0.03 0.00 18.09 445.07 01:40:12 1.96 0.31 1.62 0.03 38.30 71.62 1.26 01:50:12 22.26 3.20 16.82 2.24 233.70 3129.05 1016.18 Average: 4.47 0.51 3.63 0.34 39.12 468.98 270.47 00:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 6291708 7538204 282444 3.47 30552 1421652 529104 5.76 454836 1183012 156 01:00:01 6287656 7534716 285776 3.51 30760 1421984 529104 5.76 454916 1183560 124 01:10:11 6286508 7534112 286372 3.52 30972 1422308 529252 5.76 455040 1184096 216 01:20:11 6293340 7541496 278984 3.43 31184 1422640 529316 5.77 455508 1184640 176 01:30:01 6284036 7532752 287708 3.54 31400 1422972 529380 5.77 455488 1185188 124 01:40:12 6226484 7503996 315860 3.88 31776 1451020 735352 8.01 472668 1202420 124 01:50:12 5351436 7460724 311160 3.83 85636 2187716 555912 6.05 554752 1946780 2364 Average: 6145881 7520857 292615 3.60 38897 1535756 562489 6.13 471887 1295671 469 00:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 1.41 0.10 0.17 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.44 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 1.12 0.05 11.53 0.03 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.36 0.09 0.11 0.06 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 0.23 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 0.61 0.34 3.05 0.65 0.00 0.00 0.00 0.00 01:50:12 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:12 ens3 40.23 27.25 294.07 7.53 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.34 3.99 44.16 1.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54361) 03/31/26 _x86_64_ (2 CPU) 00:37:25 LINUX RESTART (2 CPU) 00:40:10 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.25 0.00 0.08 0.02 0.04 99.61 00:50:10 0 0.38 0.00 0.07 0.03 0.03 99.49 00:50:10 1 0.12 0.00 0.10 0.01 0.04 99.73 01:00:01 all 0.28 0.00 0.16 0.01 0.04 99.51 01:00:01 0 0.29 0.00 0.17 0.02 0.03 99.49 01:00:01 1 0.27 0.00 0.15 0.01 0.04 99.52 01:10:11 all 0.24 0.00 0.07 0.01 0.04 99.64 01:10:11 0 0.13 0.00 0.07 0.02 0.04 99.74 01:10:11 1 0.35 0.00 0.07 0.01 0.04 99.54 01:20:11 all 0.24 0.00 0.07 0.01 0.04 99.64 01:20:11 0 0.43 0.00 0.06 0.01 0.03 99.46 01:20:11 1 0.05 0.00 0.08 0.01 0.05 99.82 01:30:01 all 0.24 0.00 0.15 0.01 0.04 99.56 01:30:01 0 0.41 0.00 0.13 0.01 0.03 99.42 01:30:01 1 0.07 0.00 0.17 0.01 0.04 99.70 01:40:12 all 0.36 0.00 0.10 0.02 0.04 99.47 01:40:12 0 0.46 0.00 0.07 0.01 0.03 99.43 01:40:12 1 0.27 0.00 0.13 0.04 0.04 99.52 01:50:12 all 10.43 0.00 1.56 0.53 0.05 87.43 01:50:12 0 10.40 0.00 1.65 0.40 0.05 87.51 01:50:12 1 10.45 0.00 1.48 0.66 0.06 87.35 Average: all 1.72 0.00 0.31 0.09 0.04 97.84 Average: 0 1.79 0.00 0.32 0.07 0.04 97.79 Average: 1 1.65 0.00 0.31 0.11 0.04 97.89