---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31309 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: 5600.00 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 8.1G 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 767 5016 4 2458 7174 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:11:d8:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81734sec preferred_lft 81734sec inet6 fe80::f816:3eff:fe11:d8b7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31309) 06/28/26 _x86_64_ (2 CPU) 01:42:06 LINUX RESTART (2 CPU) 01:50:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.63 0.01 1.61 0.02 0.06 19.14 692.94 02:10:39 1.37 0.00 1.36 0.02 0.00 16.05 1.24 02:20:49 1.90 0.25 1.62 0.03 31.51 75.21 1.40 02:30:01 1.58 0.00 1.55 0.03 0.00 18.70 474.75 02:40:39 1.37 0.00 1.35 0.02 0.00 16.45 1.24 02:50:49 5.81 1.35 4.34 0.12 99.08 473.25 5.59 Average: 2.28 0.27 1.97 0.04 22.05 104.17 182.75 01:50:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6290976 7541460 278912 3.43 30760 1425348 529180 5.76 445680 1187828 124 02:10:39 6297052 7548112 272264 3.35 30980 1425704 529180 5.76 445772 1188404 124 02:20:49 6255444 7533904 286052 3.52 31384 1452360 529332 5.77 454952 1206380 184 02:30:01 6259392 7538404 281532 3.46 31592 1452656 529332 5.77 454980 1206892 240 02:40:39 6264220 7543944 276000 3.39 31828 1453136 529404 5.77 455260 1207468 160 02:50:49 5701072 7355172 440952 5.42 59032 1779916 686020 7.47 634312 1547924 228196 Average: 6178026 7510166 305952 3.76 35929 1498187 555408 6.05 481826 1257483 38171 01:50:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.60 0.09 0.09 0.04 0.00 0.00 0.00 0.00 02:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:39 ens3 0.40 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:20:49 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:49 ens3 0.50 0.23 3.14 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:39 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:49 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:50:49 ens3 23.57 14.53 129.90 4.85 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 2.53 22.50 0.84 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31309) 06/28/26 _x86_64_ (2 CPU) 01:42:06 LINUX RESTART (2 CPU) 01:50:35 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.33 0.00 0.17 0.01 0.02 99.47 02:00:01 0 0.23 0.00 0.18 0.02 0.02 99.55 02:00:01 1 0.43 0.00 0.16 0.01 0.02 99.39 02:10:39 all 0.27 0.00 0.07 0.02 0.02 99.63 02:10:39 0 0.21 0.00 0.08 0.01 0.02 99.68 02:10:39 1 0.33 0.00 0.06 0.02 0.01 99.57 02:20:49 all 0.35 0.00 0.10 0.05 0.02 99.48 02:20:49 0 0.24 0.00 0.13 0.07 0.02 99.54 02:20:49 1 0.45 0.00 0.08 0.03 0.01 99.43 02:30:01 all 0.28 0.00 0.16 0.01 0.02 99.53 02:30:01 0 0.44 0.00 0.15 0.01 0.01 99.38 02:30:01 1 0.12 0.00 0.17 0.01 0.02 99.68 02:40:39 all 0.25 0.00 0.07 0.01 0.01 99.65 02:40:39 0 0.42 0.00 0.06 0.00 0.01 99.50 02:40:39 1 0.08 0.00 0.09 0.02 0.02 99.79 02:50:49 all 2.74 0.00 0.45 0.26 0.02 96.54 02:50:49 0 3.18 0.00 0.47 0.20 0.02 96.13 02:50:49 1 2.29 0.00 0.42 0.31 0.02 96.95 Average: all 0.71 0.00 0.17 0.06 0.02 99.05 Average: 0 0.79 0.00 0.18 0.05 0.02 98.96 Average: 1 0.62 0.00 0.16 0.07 0.02 99.13