---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39514 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 4934 4 2532 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:3d:85:52 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81772sec preferred_lft 81772sec inet6 fe80::f816:3eff:fe3d:8552/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39514) 07/28/26 _x86_64_ (2 CPU) 01:48:48 LINUX RESTART (2 CPU) 01:50:35 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:35 1.50 0.03 1.45 0.03 1.24 18.39 872.27 02:10:01 14.55 0.01 1.25 13.30 0.21 15.36 115704.78 02:20:35 1.37 0.00 1.35 0.02 0.01 15.92 1.14 02:30:35 15.83 13.54 2.20 0.08 151.12 47.47 443.59 02:40:15 1.92 0.26 1.63 0.03 32.04 78.62 1.31 02:50:20 1.87 0.40 1.45 0.02 16.73 48.23 1.24 03:00:25 25.15 2.44 20.36 2.35 207.88 3746.04 972.74 Average: 8.82 2.39 4.27 2.16 58.71 572.46 15964.97 01:50:35 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:35 6283008 7529920 290752 3.58 30560 1422056 531364 5.79 444668 1183208 160 02:10:01 6297284 7544748 275856 3.39 30756 1422428 531428 5.79 442400 1183732 200 02:20:35 6304452 7552484 268096 3.30 30968 1422748 531428 5.79 442408 1184292 124 02:30:35 6216476 7521648 289816 3.56 35140 1467372 531428 5.79 443088 1232480 124 02:40:15 6183064 7515616 295340 3.63 35540 1493972 740284 8.06 457608 1250716 160 02:50:20 6173452 7521544 289152 3.56 35888 1508972 548804 5.98 482632 1264204 256 03:00:25 5000600 7335832 420928 5.18 91236 2394732 708580 7.72 658304 2161168 2304 Average: 6065477 7503113 304277 3.74 41441 1590326 589045 6.42 481587 1351400 475 01:50:35 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:35 ens3 1.87 0.12 0.33 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.37 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:20:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:35 ens3 0.39 0.04 4.81 0.01 0.00 0.00 0.00 0.00 02:30:35 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:35 ens3 0.46 0.03 1.01 0.01 0.00 0.00 0.00 0.00 02:40:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.52 0.23 3.36 0.05 0.00 0.00 0.00 0.00 02:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:20 ens3 9.69 4.66 20.02 2.97 0.00 0.00 0.00 0.00 03:00:25 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:25 ens3 72.35 53.12 365.07 12.39 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 12.36 8.41 56.98 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39514) 07/28/26 _x86_64_ (2 CPU) 01:48:48 LINUX RESTART (2 CPU) 01:50:35 CPU %user %nice %system %iowait %steal %idle 02:00:35 all 0.31 0.00 0.19 0.01 0.02 99.46 02:00:35 0 0.17 0.00 0.19 0.01 0.03 99.61 02:00:35 1 0.45 0.00 0.20 0.02 0.02 99.30 02:10:01 all 0.25 0.00 0.09 0.03 0.02 99.61 02:10:01 0 0.21 0.00 0.10 0.05 0.02 99.61 02:10:01 1 0.28 0.00 0.08 0.01 0.02 99.62 02:20:35 all 0.22 0.00 0.08 0.03 0.02 99.65 02:20:35 0 0.08 0.00 0.08 0.00 0.02 99.82 02:20:35 1 0.36 0.00 0.08 0.05 0.02 99.48 02:30:35 all 0.29 0.19 0.23 0.16 0.02 99.10 02:30:35 0 0.32 0.01 0.19 0.01 0.02 99.45 02:30:35 1 0.27 0.37 0.28 0.31 0.02 98.75 02:40:15 all 0.40 0.00 0.11 0.02 0.02 99.46 02:40:15 0 0.57 0.00 0.10 0.02 0.01 99.30 02:40:15 1 0.22 0.00 0.11 0.03 0.02 99.62 02:50:20 all 0.50 0.00 0.11 0.01 0.02 99.36 02:50:20 0 0.69 0.00 0.09 0.02 0.01 99.20 02:50:20 1 0.31 0.00 0.13 0.01 0.02 99.52 03:00:25 all 17.04 0.00 1.89 0.57 0.06 80.43 03:00:25 0 22.15 0.00 1.88 0.68 0.07 75.23 03:00:25 1 11.94 0.00 1.90 0.47 0.05 85.64 Average: all 2.74 0.03 0.39 0.12 0.02 96.70 Average: 0 3.48 0.00 0.38 0.11 0.02 96.00 Average: 1 1.99 0.05 0.40 0.13 0.02 97.40