---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-11200 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 737 5299 4 2194 7204 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:23:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.49/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81409sec preferred_lft 81409sec inet6 fe80::f816:3eff:fe9c:2332/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11200) 05/06/26 _x86_64_ (2 CPU) 00:40:36 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.93 0.26 1.64 0.03 32.07 75.72 436.33 01:10:08 1.24 0.00 1.24 0.00 0.00 14.73 0.00 01:20:01 1.29 0.00 1.29 0.00 0.01 15.28 0.00 01:30:01 1.76 0.00 1.74 0.02 0.00 21.33 653.36 01:40:08 1.36 0.00 1.36 0.00 0.00 16.21 0.00 01:50:01 1.31 0.00 1.31 0.00 0.00 15.63 0.00 02:00:01 22.97 3.02 17.70 2.25 228.39 3212.71 1102.00 Average: 4.55 0.47 3.75 0.33 37.17 481.01 312.91 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6259528 7533308 286760 3.53 30884 1448200 529480 5.77 447260 1200532 128 01:10:08 6274704 7548968 271104 3.33 31044 1448528 529544 5.77 447320 1201020 136 01:20:01 6274452 7549212 270852 3.33 31208 1448856 529652 5.77 455876 1201512 132 01:30:01 6256588 7531916 288148 3.54 31412 1449188 529824 5.77 455840 1202048 196 01:40:08 6256588 7532536 287524 3.54 31572 1449644 529952 5.77 456460 1202536 172 01:50:01 6264176 7540636 279408 3.44 31752 1449968 529952 5.77 456208 1203040 284 02:00:01 5292044 7414568 357060 4.39 85044 2201476 634980 6.92 595308 1962280 296 Average: 6125440 7521592 291551 3.59 38988 1556551 544769 5.93 473467 1310424 192 00:50:01 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 0.88 0.23 3.16 0.05 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.40 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.51 0.11 0.13 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 0.24 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.48 0.22 0.11 0.61 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.23 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 112.09 75.39 312.69 17.70 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 16.38 10.86 45.12 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-11200) 05/06/26 _x86_64_ (2 CPU) 00:40:36 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.39 0.00 0.20 0.02 0.02 99.36 01:00:01 0 0.33 0.00 0.22 0.01 0.02 99.43 01:00:01 1 0.45 0.00 0.19 0.04 0.02 99.30 01:10:08 all 0.25 0.00 0.08 0.01 0.02 99.65 01:10:08 0 0.34 0.00 0.07 0.01 0.02 99.56 01:10:08 1 0.16 0.00 0.08 0.00 0.02 99.73 01:20:01 all 0.28 0.00 0.09 0.02 0.02 99.59 01:20:01 0 0.51 0.00 0.08 0.02 0.02 99.38 01:20:01 1 0.06 0.00 0.10 0.02 0.02 99.81 01:30:01 all 0.29 0.00 0.18 0.01 0.02 99.49 01:30:01 0 0.31 0.00 0.16 0.02 0.02 99.50 01:30:01 1 0.27 0.00 0.21 0.01 0.02 99.49 01:40:08 all 0.29 0.00 0.07 0.01 0.02 99.62 01:40:08 0 0.39 0.00 0.06 0.01 0.02 99.52 01:40:08 1 0.20 0.00 0.07 0.00 0.02 99.71 01:50:01 all 0.22 0.00 0.07 0.01 0.02 99.69 01:50:01 0 0.39 0.00 0.06 0.01 0.01 99.53 01:50:01 1 0.05 0.00 0.08 0.01 0.02 99.84 02:00:01 all 13.89 0.00 2.09 0.54 0.06 83.42 02:00:01 0 12.94 0.00 2.05 0.66 0.06 84.29 02:00:01 1 14.83 0.00 2.14 0.42 0.06 82.56 Average: all 2.22 0.00 0.40 0.09 0.02 97.27 Average: 0 2.17 0.00 0.38 0.11 0.02 97.32 Average: 1 2.28 0.00 0.41 0.07 0.02 97.21