---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-37462 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 8.0G 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 768 5120 4 2354 7173 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:c1:61:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.151/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81645sec preferred_lft 81645sec inet6 fe80::f816:3eff:fec1:6173/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37462) 07/21/26 _x86_64_ (2 CPU) 00:39:43 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 15.99 13.56 2.36 0.07 152.48 69.78 224.63 01:00:00 1.56 0.01 1.53 0.03 0.04 19.52 0.97 01:10:00 1.26 0.00 1.24 0.02 0.00 14.97 1.09 01:20:00 1.29 0.00 1.29 0.00 0.01 15.20 0.12 01:30:00 1.52 0.00 1.50 0.01 0.00 18.91 0.37 01:40:00 1.65 0.25 1.38 0.01 30.97 67.28 0.17 01:50:00 1.28 0.01 1.27 0.00 1.05 22.63 0.05 Average: 3.51 1.98 1.51 0.02 26.40 32.62 32.53 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 6207636 7510744 300672 3.70 34508 1466208 531096 5.78 442076 1230844 180 01:00:00 6208648 7512324 299024 3.68 34716 1466540 531120 5.78 442256 1231384 136 01:10:00 6208132 7512348 298976 3.68 34920 1466868 531120 5.78 454116 1231916 140 01:20:00 6215216 7519944 291376 3.58 35088 1467204 531260 5.79 442668 1232420 184 01:30:00 6207180 7512444 298828 3.67 35272 1467540 531268 5.79 442684 1232940 176 01:40:00 6182980 7515644 295160 3.63 35620 1494220 731488 7.97 457444 1251076 2440 01:50:00 6181788 7515272 295516 3.63 35784 1494864 531396 5.79 452264 1251572 208 Average: 6201654 7514103 297079 3.65 35130 1474778 559821 6.10 447644 1237450 495 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 3.24 0.37 1.07 0.20 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.48 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.92 0.06 8.22 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.55 0.09 0.89 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.26 0.05 0.06 0.03 0.00 0.00 0.00 0.00 01:40:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.66 0.41 3.31 0.60 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.36 0.09 0.11 0.06 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.93 0.16 1.96 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-37462) 07/21/26 _x86_64_ (2 CPU) 00:39:43 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.31 0.18 0.26 0.16 0.04 99.05 00:50:00 0 0.34 0.34 0.28 0.26 0.03 98.74 00:50:00 1 0.27 0.03 0.24 0.07 0.05 99.35 01:00:00 all 0.25 0.00 0.17 0.01 0.04 99.54 01:00:00 0 0.18 0.00 0.17 0.02 0.04 99.60 01:00:00 1 0.32 0.00 0.16 0.01 0.04 99.47 01:10:00 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:00 0 0.11 0.00 0.09 0.00 0.04 99.75 01:10:00 1 0.43 0.00 0.05 0.02 0.03 99.46 01:20:00 all 0.27 0.00 0.07 0.01 0.04 99.61 01:20:00 0 0.26 0.00 0.07 0.01 0.04 99.62 01:20:00 1 0.29 0.00 0.07 0.01 0.04 99.60 01:30:00 all 0.27 0.00 0.16 0.01 0.04 99.51 01:30:00 0 0.48 0.00 0.14 0.02 0.03 99.34 01:30:00 1 0.07 0.00 0.19 0.00 0.05 99.69 01:40:00 all 0.36 0.00 0.09 0.02 0.04 99.49 01:40:00 0 0.24 0.00 0.08 0.04 0.04 99.62 01:40:00 1 0.49 0.00 0.10 0.01 0.04 99.37 01:50:00 all 0.23 0.00 0.07 0.01 0.03 99.66 01:50:00 0 0.40 0.00 0.06 0.01 0.02 99.51 01:50:00 1 0.06 0.00 0.07 0.01 0.05 99.82 Average: all 0.28 0.03 0.13 0.03 0.04 99.50 Average: 0 0.29 0.05 0.13 0.05 0.03 99.45 Average: 1 0.28 0.00 0.13 0.02 0.04 99.54