---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26788 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 753 5152 4 2336 7188 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:dd:f0:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.236/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81270sec preferred_lft 81270sec inet6 fe80::f816:3eff:fedd:f0f3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26788) 06/12/26 _x86_64_ (2 CPU) 01:48:11 LINUX RESTART (2 CPU) 01:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:10 1.51 0.03 1.47 0.01 1.25 18.03 440.43 02:10:00 1.24 0.01 1.22 0.01 0.05 14.97 0.62 02:20:00 13.85 0.00 1.30 12.55 0.16 15.55 109129.43 02:30:01 1.96 0.26 1.66 0.04 31.97 76.59 653.44 02:40:03 1.24 0.00 1.22 0.02 0.00 14.92 0.98 02:50:04 1.50 0.25 1.24 0.02 8.66 32.11 1.21 03:00:04 40.30 16.28 21.63 2.38 369.44 3479.65 697.66 03:10:05 1.31 0.00 1.30 0.00 0.00 20.88 0.08 Average: 7.88 2.11 3.89 1.88 51.59 460.31 13903.12 01:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:10 6294076 7540976 279448 3.44 30564 1422000 522904 5.70 444540 1183192 124 02:10:00 6301440 7548892 271524 3.34 30776 1422332 522908 5.70 444584 1183736 124 02:20:00 6300684 7548712 271652 3.34 30980 1422696 523048 5.70 444944 1184276 120 02:30:01 6250092 7525300 294608 3.62 31388 1449096 523048 5.70 454368 1202008 128 02:40:03 6250092 7525840 294028 3.62 31592 1449424 523100 5.70 454612 1202540 204 02:50:04 6249196 7533436 286304 3.52 31868 1457548 529212 5.76 462724 1209984 240 03:00:04 5108876 7370924 387100 4.76 90320 2323676 627196 6.83 600524 2089224 236 03:10:05 5071408 7335476 422592 5.20 90452 2325580 649980 7.08 615340 2091260 560 Average: 5978233 7491194 313407 3.85 45992 1659044 552674 6.02 490204 1418278 217 01:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 1.40 0.10 0.27 0.04 0.00 0.00 0.00 0.00 02:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:00 ens3 0.47 0.05 0.07 0.02 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 0.27 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.47 0.22 3.14 0.03 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.38 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 4.59 2.24 10.07 1.14 0.00 0.00 0.00 0.00 03:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:04 ens3 67.26 44.89 322.39 11.08 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 14.24 12.13 107.27 1.09 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 11.17 7.49 55.59 1.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26788) 06/12/26 _x86_64_ (2 CPU) 01:48:11 LINUX RESTART (2 CPU) 01:50:16 CPU %user %nice %system %iowait %steal %idle 02:00:10 all 0.29 0.00 0.16 0.01 0.03 99.51 02:00:10 0 0.47 0.00 0.13 0.02 0.03 99.35 02:00:10 1 0.11 0.00 0.19 0.01 0.03 99.67 02:10:00 all 0.27 0.00 0.08 0.01 0.02 99.62 02:10:00 0 0.34 0.00 0.07 0.01 0.02 99.55 02:10:00 1 0.19 0.00 0.09 0.01 0.02 99.69 02:20:00 all 0.27 0.00 0.09 0.20 0.03 99.42 02:20:00 0 0.39 0.00 0.07 0.33 0.02 99.19 02:20:00 1 0.16 0.00 0.11 0.06 0.03 99.65 02:30:01 all 0.41 0.00 0.19 0.12 0.02 99.26 02:30:01 0 0.35 0.00 0.21 0.12 0.02 99.30 02:30:01 1 0.48 0.00 0.17 0.12 0.02 99.21 02:40:03 all 0.25 0.00 0.08 0.05 0.02 99.60 02:40:03 0 0.33 0.00 0.07 0.10 0.01 99.48 02:40:03 1 0.17 0.00 0.09 0.00 0.02 99.72 02:50:04 all 0.35 0.00 0.09 0.01 0.02 99.54 02:50:04 0 0.55 0.00 0.08 0.01 0.01 99.34 02:50:04 1 0.15 0.00 0.09 0.01 0.02 99.73 03:00:04 all 12.86 0.22 2.06 1.86 0.06 82.93 03:00:04 0 8.35 0.16 1.57 0.90 0.06 88.97 03:00:04 1 17.37 0.29 2.56 2.83 0.07 76.89 03:10:05 all 0.92 0.00 0.22 0.02 0.04 98.80 03:10:05 0 1.15 0.00 0.28 0.03 0.05 98.49 03:10:05 1 0.70 0.00 0.16 0.01 0.03 99.10 Average: all 1.96 0.03 0.37 0.29 0.03 97.33 Average: 0 1.49 0.02 0.31 0.19 0.03 97.96 Average: 1 2.42 0.04 0.43 0.38 0.03 96.70