---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3166 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 784 5216 4 2238 7157 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:9c:06:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82253sec preferred_lft 82253sec inet6 fe80::f816:3eff:fe9c:6f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3166) 04/16/26 _x86_64_ (2 CPU) 01:48:03 LINUX RESTART (2 CPU) 01:50:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.60 0.03 1.56 0.02 1.32 1105.77 926.13 02:10:17 2.10 0.32 1.76 0.03 39.12 73.76 1.07 02:20:37 1.26 0.00 1.24 0.02 0.01 14.93 1.16 02:30:01 1.38 0.00 1.35 0.03 0.00 16.72 464.68 02:40:07 1.39 0.00 1.37 0.02 0.00 15.92 0.98 02:50:25 17.50 14.43 2.95 0.11 239.88 243.96 11.18 Average: 4.30 2.55 1.71 0.04 48.25 236.58 221.25 01:50:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6290988 7538004 282428 3.47 30580 1422120 519036 5.65 444116 1183092 132 02:10:17 6248448 7524716 295200 3.63 30980 1450580 518976 5.65 455568 1200576 156 02:20:37 6248448 7525252 294640 3.62 31192 1450904 519112 5.65 455688 1201104 172 02:30:01 6253320 7530668 289216 3.56 31404 1451204 519112 5.65 455724 1201624 244 02:40:07 6253320 7531356 288524 3.55 31600 1451692 519112 5.65 456004 1202180 160 02:50:25 5918116 7386836 416572 5.12 46260 1613120 664368 7.24 620972 1365072 52604 Average: 6202107 7506139 311097 3.83 33669 1473270 543286 5.92 481345 1225608 8911 01:50:37 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 1.21 0.06 0.15 0.04 0.00 0.00 0.00 0.00 02:10:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 0.66 0.23 3.02 0.03 0.00 0.00 0.00 0.00 02:20:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:37 ens3 0.25 0.02 0.04 0.01 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 0.33 0.04 0.21 0.02 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.29 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:25 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:50:25 ens3 23.05 12.45 78.81 4.51 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 4.42 2.21 14.17 0.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3166) 04/16/26 _x86_64_ (2 CPU) 01:48:03 LINUX RESTART (2 CPU) 01:50:37 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.26 0.00 0.21 0.05 0.04 99.45 02:00:01 0 0.41 0.00 0.21 0.09 0.04 99.25 02:00:01 1 0.11 0.00 0.21 0.01 0.04 99.64 02:10:17 all 0.39 0.00 0.11 0.03 0.04 99.43 02:10:17 0 0.53 0.00 0.07 0.02 0.03 99.34 02:10:17 1 0.26 0.00 0.15 0.03 0.04 99.52 02:20:37 all 0.25 0.00 0.08 0.02 0.04 99.62 02:20:37 0 0.43 0.00 0.04 0.02 0.03 99.48 02:20:37 1 0.07 0.00 0.11 0.01 0.05 99.76 02:30:01 all 0.26 0.00 0.16 0.11 0.03 99.43 02:30:01 0 0.46 0.00 0.15 0.12 0.03 99.25 02:30:01 1 0.07 0.00 0.18 0.10 0.04 99.61 02:40:07 all 0.27 0.00 0.08 0.07 0.03 99.56 02:40:07 0 0.47 0.00 0.05 0.14 0.02 99.32 02:40:07 1 0.07 0.00 0.11 0.00 0.03 99.79 02:50:25 all 1.57 0.23 0.38 1.99 0.03 95.80 02:50:25 0 1.58 0.45 0.45 3.85 0.03 93.65 02:50:25 1 1.56 0.02 0.30 0.13 0.03 97.95 Average: all 0.51 0.04 0.17 0.39 0.03 98.86 Average: 0 0.65 0.08 0.16 0.73 0.03 98.35 Average: 1 0.36 0.00 0.18 0.05 0.04 99.37