---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29921 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 790 5250 4 2188 7150 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:9a:00:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81752sec preferred_lft 81752sec inet6 fe80::f816:3eff:fe9a:2d/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-29921) 03/25/26 _x86_64_ (2 CPU) 01:53:46 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:32 1.37 0.01 1.36 0.00 0.05 16.31 0.34 02:20:05 1.37 0.00 1.35 0.02 0.01 16.17 1.13 02:30:01 1.94 0.32 1.58 0.04 39.24 74.08 440.04 02:40:34 13.16 0.00 1.25 11.91 0.14 15.59 103512.49 02:50:25 1.23 0.00 1.21 0.02 0.00 15.05 1.11 03:00:02 22.80 3.14 17.35 2.31 236.91 3212.05 768.70 03:10:05 3.12 0.05 2.44 0.63 2.10 158.58 2316.14 Average: 6.40 0.48 3.70 2.21 38.41 483.10 16075.38 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:32 6287212 7533944 286880 3.53 30668 1421768 529936 5.77 451728 1183332 184 02:20:05 6293876 7541148 279668 3.44 30868 1422104 529944 5.77 451816 1183864 248 02:30:01 6224180 7500100 319996 3.93 31252 1449980 727280 7.92 468916 1201052 176 02:40:34 6224296 7500820 319208 3.93 31464 1450348 727348 7.92 469072 1201616 164 02:50:25 6239668 7516844 303140 3.73 31652 1450808 727348 7.92 469216 1202132 152 03:00:02 5326048 7432848 339052 4.17 85012 2185924 792244 8.63 580988 1945056 9276 03:10:05 5287676 7279968 500196 6.15 86448 2077536 940072 10.24 731348 1837764 76068 Average: 5983279 7472239 335449 4.12 46766 1636924 710596 7.74 517583 1393545 12324 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:32 ens3 0.72 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 1.04 0.04 11.36 0.02 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 0.54 0.23 3.20 0.03 0.00 0.00 0.00 0.00 02:40:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:34 ens3 0.29 0.06 0.08 0.03 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 0.17 0.04 0.04 0.01 0.00 0.00 0.00 0.00 03:00:02 lo 1.31 1.31 0.09 0.09 0.00 0.00 0.00 0.00 03:00:02 ens3 101.66 72.32 316.40 17.73 0.00 0.00 0.00 0.00 03:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 24.67 17.00 14.14 5.72 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 17.88 12.42 47.47 3.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29921) 03/25/26 _x86_64_ (2 CPU) 01:53:46 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:32 all 0.24 0.00 0.08 0.01 0.03 99.63 02:10:32 0 0.05 0.00 0.09 0.00 0.04 99.82 02:10:32 1 0.43 0.00 0.06 0.03 0.03 99.45 02:20:05 all 0.27 0.00 0.07 0.02 0.03 99.61 02:20:05 0 0.07 0.00 0.09 0.00 0.03 99.80 02:20:05 1 0.46 0.00 0.06 0.03 0.03 99.42 02:30:01 all 0.41 0.00 0.20 0.03 0.03 99.34 02:30:01 0 0.31 0.00 0.19 0.01 0.03 99.46 02:30:01 1 0.52 0.00 0.21 0.04 0.02 99.21 02:40:34 all 0.25 0.00 0.09 0.03 0.03 99.60 02:40:34 0 0.44 0.00 0.06 0.00 0.02 99.48 02:40:34 1 0.07 0.00 0.11 0.06 0.03 99.73 02:50:25 all 0.25 0.00 0.07 0.01 0.03 99.64 02:50:25 0 0.44 0.00 0.05 0.02 0.02 99.48 02:50:25 1 0.06 0.00 0.10 0.00 0.04 99.80 03:00:02 all 11.41 0.00 1.87 0.52 0.04 86.16 03:00:02 0 7.88 0.00 1.53 0.39 0.04 90.17 03:00:02 1 14.94 0.00 2.22 0.65 0.05 82.14 03:10:05 all 6.54 0.00 0.66 0.04 0.05 92.71 03:10:05 0 7.95 0.00 0.77 0.02 0.05 91.21 03:10:05 1 5.13 0.00 0.56 0.05 0.05 94.20 Average: all 2.70 0.00 0.42 0.09 0.03 96.75 Average: 0 2.41 0.00 0.39 0.06 0.03 97.11 Average: 1 3.00 0.00 0.46 0.12 0.04 96.38