---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1659 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: 5599.94 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 741 5217 4 2276 7200 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:3f:51:65 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82178sec preferred_lft 82178sec inet6 fe80::f816:3eff:fe3f:5165/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1659) 08/03/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:22 1.44 0.03 1.39 0.01 2.28 17.11 1.01 02:20:01 1.27 0.01 1.24 0.02 0.07 15.16 1.12 02:30:12 1.51 0.00 1.48 0.03 0.00 18.40 428.59 02:40:42 13.33 0.00 1.35 11.97 0.14 16.48 104137.58 02:50:01 1.27 0.00 1.25 0.02 0.00 15.02 1.30 03:00:26 14.20 1.55 11.72 0.92 111.86 2211.43 441.35 Average: 5.69 0.28 3.15 2.26 19.81 397.05 18337.24 02:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:22 6261316 7535812 284096 3.49 30820 1448968 520256 5.67 452928 1201368 132 02:20:01 6260644 7535680 284220 3.49 31052 1449268 520256 5.67 453000 1201900 268 02:30:12 6259908 7535524 284320 3.50 31268 1449628 575356 6.27 458280 1202468 168 02:40:42 6263612 7539840 280024 3.44 31496 1450000 521028 5.68 457320 1203048 172 02:50:01 6263108 7539956 279864 3.44 31700 1450412 521180 5.68 457480 1203548 128 03:00:26 5502044 7441936 337912 4.16 72000 2038916 579896 6.32 548804 1815648 44728 Average: 6135105 7521458 291739 3.59 38056 1547865 539662 5.88 471302 1304663 7599 02:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:22 ens3 0.76 0.05 0.09 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.94 0.06 4.29 0.03 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.30 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:42 ens3 6.16 3.66 4.41 3.31 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.30 0.08 0.08 0.04 0.00 0.00 0.00 0.00 03:00:26 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:26 ens3 40.00 26.40 267.15 9.56 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.39 5.26 47.81 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1659) 08/03/26 _x86_64_ (2 CPU) 01:56:06 LINUX RESTART (2 CPU) 02:00:19 CPU %user %nice %system %iowait %steal %idle 02:10:22 all 0.27 0.00 0.08 0.01 0.02 99.62 02:10:22 0 0.47 0.00 0.07 0.01 0.01 99.44 02:10:22 1 0.07 0.00 0.09 0.01 0.02 99.81 02:20:01 all 0.29 0.00 0.10 0.01 0.02 99.59 02:20:01 0 0.49 0.00 0.08 0.01 0.02 99.40 02:20:01 1 0.08 0.00 0.11 0.01 0.02 99.77 02:30:12 all 0.29 0.00 0.17 0.01 0.01 99.51 02:30:12 0 0.42 0.00 0.14 0.01 0.01 99.42 02:30:12 1 0.17 0.00 0.20 0.01 0.02 99.60 02:40:42 all 0.42 0.00 0.11 0.03 0.02 99.42 02:40:42 0 0.41 0.00 0.12 0.05 0.02 99.40 02:40:42 1 0.43 0.00 0.10 0.01 0.02 99.44 02:50:01 all 0.26 0.00 0.07 0.01 0.02 99.64 02:50:01 0 0.31 0.00 0.07 0.02 0.01 99.59 02:50:01 1 0.21 0.00 0.08 0.00 0.02 99.69 03:00:26 all 6.24 0.00 1.00 0.32 0.04 92.40 03:00:26 0 8.95 0.00 1.08 0.34 0.04 89.60 03:00:26 1 3.53 0.00 0.93 0.31 0.04 95.19 Average: all 1.34 0.00 0.26 0.07 0.02 98.31 Average: 0 1.90 0.00 0.27 0.07 0.02 97.74 Average: 1 0.77 0.00 0.26 0.06 0.02 98.88