---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33864 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 8.0G 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 772 5173 4 2288 7169 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:ea:7a:d8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81400sec preferred_lft 81400sec inet6 fe80::f816:3eff:feea:7ad8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33864) 07/08/26 _x86_64_ (2 CPU) 00:35:45 LINUX RESTART (2 CPU) 00:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:15 1.03 0.02 1.00 0.00 1.24 13.48 0.12 01:00:02 1.21 0.01 1.18 0.03 0.05 16.29 668.46 01:10:04 1.02 0.00 1.01 0.02 0.00 13.35 1.09 01:20:05 1.10 0.00 1.08 0.02 0.01 14.32 1.09 01:30:06 1.59 0.25 1.30 0.04 30.94 74.62 436.67 01:40:06 1.06 0.00 1.03 0.02 1.05 14.16 0.49 01:50:07 14.15 0.40 1.22 12.52 15.94 46.76 108906.92 Average: 3.03 0.10 1.12 1.81 7.06 27.60 15770.74 00:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:15 6295040 7549540 271064 3.33 30640 1429488 522884 5.70 450128 1186964 8 01:00:02 6283496 7538584 282016 3.47 30868 1429820 522940 5.70 450264 1187524 172 01:10:04 6283244 7538852 281736 3.46 31060 1430144 523016 5.70 450432 1188040 204 01:20:05 6291056 7547216 273324 3.36 31268 1430476 523112 5.70 450660 1188580 176 01:30:06 6224792 7508324 311604 3.83 31668 1457064 722388 7.87 465144 1206676 180 01:40:06 6236040 7520404 299536 3.68 31864 1457704 523252 5.70 461008 1207200 60 01:50:07 6214796 7514428 305184 3.75 32160 1472452 561864 6.12 502784 1220696 240 Average: 6261209 7531050 289209 3.56 31361 1443878 557065 6.07 461489 1197954 149 00:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 1.02 0.08 0.15 0.06 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.46 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.38 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.43 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.89 0.48 3.24 0.06 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.52 0.24 0.14 0.61 0.00 0.00 0.00 0.00 01:50:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 13.57 6.54 23.91 2.73 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.48 1.08 3.97 0.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33864) 07/08/26 _x86_64_ (2 CPU) 00:35:45 LINUX RESTART (2 CPU) 00:40:15 CPU %user %nice %system %iowait %steal %idle 00:50:15 all 0.29 0.00 0.08 0.01 0.02 99.60 00:50:15 0 0.07 0.00 0.10 0.01 0.02 99.80 00:50:15 1 0.51 0.00 0.07 0.00 0.01 99.41 01:00:02 all 0.29 0.00 0.19 0.01 0.02 99.50 01:00:02 0 0.30 0.00 0.18 0.01 0.02 99.50 01:00:02 1 0.27 0.00 0.19 0.01 0.02 99.51 01:10:04 all 0.25 0.00 0.08 0.01 0.02 99.65 01:10:04 0 0.37 0.00 0.07 0.00 0.01 99.54 01:10:04 1 0.14 0.00 0.08 0.01 0.02 99.75 01:20:05 all 0.24 0.00 0.08 0.01 0.02 99.66 01:20:05 0 0.42 0.00 0.07 0.01 0.01 99.49 01:20:05 1 0.06 0.00 0.09 0.01 0.02 99.83 01:30:06 all 0.39 0.00 0.20 0.02 0.02 99.37 01:30:06 0 0.38 0.00 0.17 0.02 0.01 99.41 01:30:06 1 0.40 0.00 0.23 0.03 0.02 99.33 01:40:06 all 0.28 0.00 0.07 0.01 0.01 99.62 01:40:06 0 0.47 0.00 0.05 0.02 0.01 99.45 01:40:06 1 0.09 0.00 0.09 0.00 0.02 99.79 01:50:07 all 0.49 0.00 0.12 0.03 0.01 99.33 01:50:07 0 0.31 0.00 0.17 0.06 0.02 99.44 01:50:07 1 0.68 0.00 0.08 0.01 0.01 99.22 Average: all 0.32 0.00 0.12 0.01 0.02 99.53 Average: 0 0.33 0.00 0.12 0.02 0.01 99.52 Average: 1 0.31 0.00 0.12 0.01 0.02 99.55