---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26754 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 8.0G 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 793 5026 4 2422 7148 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:6c:c2:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.140/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81279sec preferred_lft 81279sec inet6 fe80::f816:3eff:fe6c:c2e0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26754) 06/12/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.10 0.27 1.79 0.04 32.52 80.27 228.06 01:10:29 1.41 0.00 1.38 0.02 1.01 16.65 1.31 01:20:29 1.40 0.00 1.39 0.00 0.01 16.21 0.36 01:30:01 1.49 0.00 1.48 0.01 0.00 17.85 0.24 01:40:18 2.81 1.28 1.51 0.01 93.23 109.50 11.16 01:50:29 22.14 1.64 18.27 2.22 128.73 3310.49 520.76 02:00:01 1.69 0.00 1.66 0.02 0.00 74.70 0.27 Average: 4.80 0.47 3.99 0.34 37.27 529.88 109.56 00:50:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6177112 7507848 303100 3.73 34884 1492812 729704 7.95 460892 1248508 240 01:10:29 6182892 7514536 296440 3.65 35092 1493492 534128 5.82 456068 1249084 184 01:20:29 6182164 7514328 296640 3.65 35276 1493820 534256 5.82 456216 1249596 196 01:30:01 6197108 7529732 281168 3.46 35436 1494120 534816 5.83 457172 1250056 124 01:40:18 5937120 7367756 437168 5.38 43132 1579292 623724 6.79 581052 1330292 40496 01:50:29 5097156 7365676 392292 4.82 90716 2329564 675088 7.35 633136 2095076 568 02:00:01 5072608 7356212 401536 4.94 90880 2344476 731984 7.97 640664 2110152 344 Average: 5835166 7450870 344049 4.23 52202 1746797 623386 6.79 526457 1504681 6022 00:50:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.90 0.27 3.34 0.05 0.00 0.00 0.00 0.00 01:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:29 ens3 1.27 0.14 7.19 0.10 0.00 0.00 0.00 0.00 01:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:29 ens3 0.65 0.09 0.93 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 0.37 0.16 0.08 0.57 0.00 0.00 0.00 0.00 01:40:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 19.80 9.70 49.71 4.12 0.00 0.00 0.00 0.00 01:50:29 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 01:50:29 ens3 64.38 47.54 267.59 8.59 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 47.14 44.32 10.41 5.98 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 19.29 14.57 49.68 2.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26754) 06/12/26 _x86_64_ (2 CPU) 00:42:08 LINUX RESTART (2 CPU) 00:50:29 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.37 0.00 0.20 0.02 0.03 99.38 01:00:01 0 0.15 0.00 0.20 0.01 0.04 99.60 01:00:01 1 0.59 0.00 0.19 0.04 0.03 99.15 01:10:29 all 0.30 0.00 0.07 0.01 0.03 99.59 01:10:29 0 0.52 0.00 0.04 0.02 0.02 99.39 01:10:29 1 0.07 0.00 0.10 0.01 0.04 99.78 01:20:29 all 0.27 0.00 0.08 0.01 0.03 99.61 01:20:29 0 0.38 0.00 0.06 0.01 0.03 99.52 01:20:29 1 0.16 0.00 0.09 0.01 0.04 99.71 01:30:01 all 0.29 0.00 0.15 0.01 0.03 99.51 01:30:01 0 0.08 0.00 0.16 0.01 0.04 99.71 01:30:01 1 0.51 0.00 0.14 0.01 0.03 99.31 01:40:18 all 1.01 0.00 0.21 0.04 0.03 98.72 01:40:18 0 1.18 0.00 0.24 0.05 0.03 98.51 01:40:18 1 0.83 0.00 0.18 0.03 0.03 98.92 01:50:29 all 13.54 0.00 1.66 0.47 0.07 84.26 01:50:29 0 13.64 0.00 1.55 0.34 0.07 84.41 01:50:29 1 13.45 0.00 1.77 0.59 0.07 84.12 02:00:01 all 6.25 0.00 0.60 0.01 0.08 93.06 02:00:01 0 5.23 0.00 0.51 0.01 0.08 94.17 02:00:01 1 7.26 0.00 0.70 0.01 0.08 91.95 Average: all 3.15 0.00 0.42 0.08 0.04 96.30 Average: 0 3.05 0.00 0.40 0.06 0.04 96.45 Average: 1 3.26 0.00 0.45 0.10 0.05 96.14