---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31759 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 8.1G 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 777 5006 4 2451 7163 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:2e:de:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81572sec preferred_lft 81572sec inet6 fe80::f816:3eff:fe2e:de5e/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-31759) 06/30/26 _x86_64_ (2 CPU) 01:46:41 LINUX RESTART (2 CPU) 01:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.42 0.03 1.38 0.01 1.28 17.61 676.18 02:10:05 1.14 0.01 1.12 0.01 0.05 14.44 0.95 02:20:15 13.59 0.00 1.23 12.36 0.16 15.40 107486.38 02:30:01 1.25 0.00 1.22 0.03 0.00 15.74 447.05 02:40:26 1.68 0.25 1.41 0.03 30.73 72.29 1.27 02:50:25 1.10 0.00 1.08 0.02 0.00 14.21 1.11 03:00:01 24.56 3.14 19.04 2.39 237.30 3737.49 720.78 Average: 6.31 0.47 3.69 2.14 37.48 536.48 15930.88 01:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6277100 7527952 292328 3.59 30632 1426064 530284 5.78 441396 1187452 280 02:10:05 6282964 7534376 285908 3.52 30856 1426396 535468 5.83 442440 1188012 196 02:20:15 6281924 7533936 286292 3.52 31088 1426752 535468 5.83 442532 1188572 140 02:30:01 6279772 7532328 287888 3.54 31280 1427088 535468 5.83 442576 1189100 232 02:40:26 6243740 7523708 296080 3.64 31672 1453760 535468 5.83 451796 1207088 172 02:50:25 6259140 7539788 280044 3.44 31896 1454220 535692 5.83 452248 1207632 228 03:00:01 5127756 7368580 398248 4.90 87208 2313868 687120 7.48 624440 2077044 156 Average: 6107485 7508667 303827 3.74 39233 1561164 556424 6.06 471061 1320700 201 01:50:21 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 1.01 0.08 0.11 0.04 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.38 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 1.64 0.04 9.54 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.39 0.04 0.56 0.01 0.00 0.00 0.00 0.00 02:40:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:26 ens3 0.96 0.50 3.11 0.06 0.00 0.00 0.00 0.00 02:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:25 ens3 0.34 0.09 0.10 0.05 0.00 0.00 0.00 0.00 03:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 82.07 56.80 353.66 15.46 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 11.98 7.94 50.67 2.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31759) 06/30/26 _x86_64_ (2 CPU) 01:46:41 LINUX RESTART (2 CPU) 01:50:21 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.17 0.01 0.03 99.52 02:00:01 0 0.35 0.00 0.15 0.01 0.02 99.47 02:00:01 1 0.18 0.00 0.20 0.01 0.04 99.57 02:10:05 all 0.28 0.00 0.08 0.01 0.03 99.60 02:10:05 0 0.11 0.00 0.08 0.01 0.03 99.76 02:10:05 1 0.44 0.00 0.07 0.01 0.03 99.45 02:20:15 all 0.28 0.00 0.08 0.03 0.03 99.58 02:20:15 0 0.29 0.00 0.09 0.05 0.03 99.54 02:20:15 1 0.27 0.00 0.07 0.01 0.03 99.62 02:30:01 all 0.26 0.00 0.17 0.03 0.03 99.50 02:30:01 0 0.20 0.00 0.17 0.01 0.04 99.58 02:30:01 1 0.33 0.00 0.17 0.05 0.03 99.42 02:40:26 all 0.37 0.00 0.11 0.03 0.02 99.47 02:40:26 0 0.27 0.00 0.12 0.04 0.03 99.53 02:40:26 1 0.47 0.00 0.09 0.01 0.02 99.41 02:50:25 all 0.25 0.00 0.08 0.01 0.02 99.65 02:50:25 0 0.06 0.00 0.08 0.01 0.02 99.83 02:50:25 1 0.43 0.00 0.07 0.02 0.02 99.46 03:00:01 all 18.27 0.00 2.00 0.64 0.06 79.02 03:00:01 0 17.67 0.00 1.99 0.71 0.06 79.57 03:00:01 1 18.87 0.00 2.02 0.58 0.06 78.47 Average: all 2.76 0.00 0.37 0.11 0.03 96.73 Average: 0 2.61 0.00 0.37 0.12 0.03 96.86 Average: 1 2.90 0.00 0.37 0.09 0.03 96.60