---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26313 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: 5600.00 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 782 5094 4 2356 7159 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:3a:0e:9e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81268sec preferred_lft 81268sec inet6 fe80::f816:3eff:fe3a:e9e/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-26313) 06/10/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.87 0.26 1.59 0.02 30.80 75.09 649.15 01:10:06 1.22 0.00 1.20 0.02 1.05 14.30 1.37 01:20:01 1.21 0.00 1.19 0.02 0.01 14.18 1.09 01:30:07 1.35 0.00 1.31 0.03 0.00 17.09 648.85 01:40:07 1.46 0.25 1.19 0.02 8.68 32.05 1.21 01:50:01 23.85 2.79 18.74 2.33 221.04 3575.27 1310.45 02:00:07 1.66 0.00 1.64 0.02 0.00 68.03 0.30 Average: 4.63 0.47 3.81 0.35 37.03 536.61 372.31 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6251596 7525264 294752 3.62 30992 1447988 715552 7.79 465700 1200812 184 01:10:06 6257440 7531936 288100 3.54 31180 1448624 520064 5.66 460748 1201324 172 01:20:01 6258960 7533980 286052 3.52 31372 1448952 521588 5.68 457396 1201844 248 01:30:07 6254556 7530140 289912 3.56 31592 1449284 522732 5.69 458548 1202396 216 01:40:07 6262948 7546812 273088 3.36 31856 1457348 528452 5.76 465828 1209668 256 01:50:01 5192800 7401736 365272 4.49 87012 2282076 701020 7.64 604468 2044916 244 02:00:07 5177256 7401244 365924 4.50 87176 2296968 647640 7.05 601056 2059968 992 Average: 5950794 7495873 309014 3.80 47311 1690177 593864 6.47 501963 1445847 330 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.82 0.25 3.16 0.05 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.90 0.06 6.57 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.59 0.09 0.64 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.42 0.17 0.08 0.54 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 5.47 2.42 10.12 0.76 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 83.09 57.97 313.94 12.15 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 46.64 41.70 10.30 5.65 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 19.62 14.62 48.76 2.74 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26313) 06/10/26 _x86_64_ (2 CPU) 00:42:21 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.39 0.00 0.19 0.03 0.03 99.37 01:00:05 0 0.44 0.00 0.15 0.02 0.02 99.37 01:00:05 1 0.34 0.00 0.22 0.04 0.03 99.37 01:10:06 all 0.26 0.00 0.07 0.01 0.03 99.62 01:10:06 0 0.05 0.00 0.08 0.01 0.03 99.83 01:10:06 1 0.47 0.00 0.07 0.02 0.02 99.42 01:20:01 all 0.26 0.00 0.08 0.03 0.02 99.61 01:20:01 0 0.05 0.00 0.09 0.04 0.02 99.80 01:20:01 1 0.47 0.00 0.07 0.02 0.02 99.43 01:30:07 all 0.30 0.00 0.16 0.02 0.02 99.50 01:30:07 0 0.26 0.00 0.17 0.03 0.02 99.51 01:30:07 1 0.34 0.00 0.16 0.01 0.02 99.48 01:40:07 all 0.32 0.00 0.08 0.01 0.02 99.56 01:40:07 0 0.50 0.00 0.07 0.02 0.02 99.39 01:40:07 1 0.15 0.00 0.10 0.00 0.03 99.73 01:50:01 all 14.61 0.00 1.87 0.54 0.07 82.91 01:50:01 0 8.30 0.00 1.39 0.47 0.06 89.78 01:50:01 1 20.96 0.00 2.35 0.60 0.07 76.02 02:00:07 all 6.00 0.00 0.62 0.01 0.06 93.31 02:00:07 0 6.04 0.00 0.61 0.02 0.06 93.27 02:00:07 1 5.95 0.00 0.63 0.01 0.06 93.35 Average: all 3.14 0.00 0.44 0.09 0.04 96.30 Average: 0 2.22 0.00 0.36 0.09 0.04 97.29 Average: 1 4.05 0.00 0.51 0.10 0.04 95.31