---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8170 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 750 5297 4 2182 7191 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:6b:e7:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80936sec preferred_lft 80936sec inet6 fe80::f816:3eff:fe6b:e715/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8170) 04/26/26 _x86_64_ (2 CPU) 01:41:49 LINUX RESTART (2 CPU) 01:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.52 0.01 1.49 0.02 0.05 17.90 450.15 02:10:29 1.30 0.00 1.29 0.02 0.00 15.14 1.26 02:20:29 1.38 0.00 1.36 0.02 0.01 15.52 1.09 02:30:01 2.19 0.33 1.82 0.04 40.95 79.46 458.55 02:40:19 1.34 0.00 1.32 0.02 0.00 15.67 1.28 02:50:04 1.81 0.41 1.40 0.01 16.20 48.76 0.51 03:00:01 36.46 2.63 18.10 15.73 213.52 3130.26 108070.25 03:10:29 1.29 0.00 1.28 0.00 0.00 20.83 0.08 Average: 5.87 0.42 3.49 1.97 33.34 414.70 13522.91 01:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6300336 7546628 273908 3.37 30696 1421280 530604 5.78 444880 1183468 156 02:10:29 6300336 7547184 273348 3.36 30916 1421612 530636 5.78 444960 1184020 188 02:20:29 6299636 7547016 273544 3.36 31116 1421936 530700 5.78 445028 1184544 124 02:30:01 6233692 7510152 309744 3.81 31520 1450216 733140 7.99 461996 1202164 240 02:40:19 6233948 7511112 308800 3.80 31752 1450672 733308 7.99 462524 1202724 172 02:50:04 6218684 7510984 308716 3.80 32072 1465304 749816 8.17 489068 1216168 448 03:00:01 5262484 7376276 395160 4.86 85304 2192516 837180 9.12 610528 1952536 196 03:10:29 5243296 7359108 412300 5.07 85424 2194416 845844 9.21 611080 1954556 228 Average: 6011552 7488558 319440 3.93 44850 1627244 686404 7.48 496258 1385022 219 01:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.44 0.06 0.17 0.03 0.00 0.00 0.00 0.00 02:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:29 ens3 0.83 0.03 0.09 0.01 0.00 0.00 0.00 0.00 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 0.83 0.03 3.84 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 1.56 0.20 3.51 0.03 0.00 0.00 0.00 0.00 02:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.39 0.06 0.11 0.05 0.00 0.00 0.00 0.00 02:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 11.87 6.15 20.60 3.16 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 56.47 39.31 293.68 8.74 0.00 0.00 0.00 0.00 03:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:29 ens3 12.34 11.05 102.52 1.00 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 10.68 7.12 53.28 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8170) 04/26/26 _x86_64_ (2 CPU) 01:41:49 LINUX RESTART (2 CPU) 01:50:18 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.26 0.00 0.16 0.01 0.02 99.55 02:00:01 0 0.45 0.00 0.15 0.01 0.02 99.37 02:00:01 1 0.08 0.00 0.17 0.00 0.03 99.73 02:10:29 all 0.26 0.00 0.07 0.01 0.02 99.64 02:10:29 0 0.47 0.00 0.06 0.00 0.02 99.45 02:10:29 1 0.05 0.00 0.08 0.02 0.03 99.82 02:20:29 all 0.25 0.00 0.07 0.01 0.03 99.65 02:20:29 0 0.27 0.00 0.07 0.00 0.03 99.64 02:20:29 1 0.23 0.00 0.08 0.02 0.02 99.65 02:30:01 all 0.44 0.00 0.20 0.02 0.02 99.32 02:30:01 0 0.39 0.00 0.16 0.01 0.02 99.41 02:30:01 1 0.48 0.00 0.25 0.03 0.03 99.22 02:40:19 all 0.27 0.00 0.07 0.01 0.02 99.63 02:40:19 0 0.47 0.00 0.05 0.01 0.02 99.45 02:40:19 1 0.06 0.00 0.09 0.01 0.03 99.81 02:50:04 all 0.52 0.00 0.10 0.02 0.02 99.33 02:50:04 0 0.44 0.00 0.10 0.02 0.02 99.43 02:50:04 1 0.61 0.00 0.11 0.02 0.02 99.23 03:00:01 all 11.73 0.00 1.88 0.53 0.05 85.80 03:00:01 0 8.37 0.00 1.46 0.26 0.05 89.86 03:00:01 1 15.09 0.00 2.30 0.80 0.06 81.74 03:10:29 all 0.91 0.00 0.21 0.01 0.04 98.83 03:10:29 0 0.99 0.00 0.19 0.01 0.04 98.76 03:10:29 1 0.83 0.00 0.23 0.00 0.04 98.90 Average: all 1.82 0.00 0.34 0.08 0.03 97.73 Average: 0 1.47 0.00 0.28 0.04 0.03 98.18 Average: 1 2.16 0.00 0.41 0.11 0.03 97.28