---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23817 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 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 769 5115 4 2349 7172 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:a2:d9:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81130sec preferred_lft 81130sec inet6 fe80::f816:3eff:fea2:d99f/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-23817) 06/05/26 _x86_64_ (2 CPU) 00:39:46 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 7.71 3.22 4.44 0.05 383.41 3158.38 218.94 01:00:02 13.86 0.01 1.28 12.57 0.20 16.15 110066.23 01:10:01 1.11 0.00 1.09 0.02 0.00 13.82 1.20 01:20:02 1.11 0.00 1.09 0.02 0.01 13.64 1.21 01:30:02 1.91 0.25 1.62 0.04 30.97 76.57 872.72 01:40:01 1.20 0.01 1.18 0.02 1.06 15.04 1.26 01:50:02 15.08 1.76 12.30 1.02 118.17 2349.65 554.78 02:00:02 10.85 1.25 8.32 1.28 109.99 1139.69 444.24 Average: 6.61 0.81 3.92 1.88 80.61 849.24 14015.68 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 6288536 7534832 285720 3.51 30536 1421652 532296 5.80 445728 1183076 232 01:00:02 6280740 7527660 292740 3.60 30736 1422036 532356 5.80 445880 1183640 228 01:10:01 6288580 7536044 284340 3.50 30960 1422356 532680 5.80 446652 1184180 188 01:20:02 6296392 7544388 275992 3.39 31156 1422680 532960 5.80 447800 1184704 228 01:30:02 6255852 7530772 289028 3.55 31564 1448820 736352 8.02 462204 1202360 260 01:40:01 6255852 7531592 288284 3.54 31752 1449456 533972 5.82 458088 1202872 296 01:50:02 5474096 7398052 383072 4.71 71044 2025272 641876 6.99 593752 1801288 260 02:00:02 5198112 7405356 362320 4.46 86884 2281220 645712 7.03 601512 2044108 12984 Average: 6042270 7501087 307687 3.78 43079 1611686 586026 6.38 487702 1373278 1834 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 16.53 6.74 36.42 1.90 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 0.52 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.25 0.19 0.47 0.18 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.64 0.28 0.12 0.66 0.00 0.00 0.00 0.00 01:30:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.52 0.23 3.16 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.65 0.19 0.25 0.15 0.00 0.00 0.00 0.00 01:50:02 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:02 ens3 37.71 24.29 276.18 6.15 0.00 0.00 0.00 0.00 02:00:02 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:02 ens3 33.76 24.22 51.68 6.39 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 11.46 7.03 46.11 1.94 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23817) 06/05/26 _x86_64_ (2 CPU) 00:39:46 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.79 0.00 0.43 2.20 0.02 96.56 00:50:02 0 0.55 0.00 0.51 2.44 0.03 96.47 00:50:02 1 1.03 0.00 0.34 1.96 0.02 96.65 01:00:02 all 0.27 0.00 0.18 0.03 0.02 99.50 01:00:02 0 0.11 0.00 0.20 0.05 0.02 99.62 01:00:02 1 0.44 0.00 0.16 0.01 0.02 99.37 01:10:01 all 0.28 0.00 0.08 0.01 0.02 99.61 01:10:01 0 0.17 0.00 0.07 0.01 0.02 99.73 01:10:01 1 0.40 0.00 0.08 0.01 0.02 99.49 01:20:02 all 0.27 0.00 0.07 0.01 0.02 99.63 01:20:02 0 0.07 0.00 0.09 0.02 0.02 99.79 01:20:02 1 0.46 0.00 0.05 0.00 0.01 99.47 01:30:02 all 0.38 0.00 0.19 0.02 0.02 99.39 01:30:02 0 0.30 0.00 0.22 0.03 0.02 99.42 01:30:02 1 0.47 0.00 0.15 0.02 0.02 99.35 01:40:01 all 0.24 0.00 0.07 0.01 0.02 99.66 01:40:01 0 0.06 0.00 0.08 0.01 0.02 99.84 01:40:01 1 0.43 0.00 0.06 0.01 0.02 99.49 01:50:02 all 6.28 0.00 0.94 0.46 0.03 92.29 01:50:02 0 5.63 0.00 0.94 0.44 0.03 92.95 01:50:02 1 6.92 0.00 0.93 0.48 0.03 91.64 02:00:02 all 7.31 0.00 0.99 0.21 0.03 91.46 02:00:02 0 6.27 0.00 0.85 0.16 0.03 92.69 02:00:02 1 8.35 0.00 1.12 0.26 0.03 90.23 Average: all 1.98 0.00 0.37 0.37 0.02 97.26 Average: 0 1.65 0.00 0.37 0.40 0.02 97.56 Average: 1 2.31 0.00 0.36 0.34 0.02 96.96