---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27270 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 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 743 5216 4 2273 7198 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:55:2a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.231/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82071sec preferred_lft 82071sec inet6 fe80::f816:3eff:fe3a:552a/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-27270) 06/14/26 _x86_64_ (2 CPU) 00:36:34 LINUX RESTART (2 CPU) 00:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.26 0.03 1.24 0.00 1.26 15.35 0.12 01:00:11 1.45 0.01 1.42 0.01 0.05 17.96 429.00 01:10:11 1.67 0.25 1.41 0.01 30.97 72.80 0.25 01:20:01 1.24 0.01 1.23 0.00 1.08 15.36 0.05 01:30:11 13.78 0.00 1.41 12.36 0.14 17.75 107865.37 01:40:05 1.58 0.40 1.17 0.00 15.97 46.27 0.00 Average: 3.53 0.12 1.32 2.10 8.23 30.90 18362.00 00:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6290088 7540996 279424 3.44 30624 1425928 530068 5.77 445556 1187372 128 01:00:11 6292180 7543632 276752 3.40 30824 1426252 530124 5.77 445916 1187896 124 01:10:11 6253808 7532048 287884 3.54 31160 1452364 726132 7.91 460488 1205580 176 01:20:01 6258640 7537696 282244 3.47 31328 1452996 530336 5.78 455692 1206068 168 01:30:11 6257852 7537620 282216 3.47 31504 1453508 530392 5.78 455652 1206596 256 01:40:05 6230404 7525272 294376 3.62 31804 1468140 549260 5.98 481780 1220024 252 Average: 6263829 7536211 283816 3.49 31207 1446531 566052 6.17 457514 1202256 184 00:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.47 0.09 0.17 0.06 0.00 0.00 0.00 0.00 01:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:11 ens3 0.47 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 1.81 0.19 13.87 0.04 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 0.61 0.20 0.65 0.50 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.33 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:05 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:05 ens3 10.42 4.68 20.38 2.82 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 2.50 0.87 5.85 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27270) 06/14/26 _x86_64_ (2 CPU) 00:36:34 LINUX RESTART (2 CPU) 00:40:11 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.29 0.00 0.07 0.01 0.03 99.59 00:50:01 0 0.13 0.00 0.08 0.02 0.03 99.74 00:50:01 1 0.45 0.00 0.07 0.01 0.03 99.44 01:00:11 all 0.27 0.00 0.16 0.01 0.03 99.53 01:00:11 0 0.10 0.00 0.16 0.02 0.03 99.69 01:00:11 1 0.45 0.00 0.16 0.00 0.03 99.36 01:10:11 all 0.36 0.00 0.09 0.03 0.03 99.49 01:10:11 0 0.14 0.00 0.10 0.02 0.03 99.71 01:10:11 1 0.58 0.00 0.08 0.03 0.03 99.28 01:20:01 all 0.27 0.00 0.07 0.02 0.03 99.61 01:20:01 0 0.39 0.00 0.05 0.00 0.03 99.53 01:20:01 1 0.16 0.00 0.08 0.04 0.04 99.68 01:30:11 all 0.19 0.00 0.17 0.03 0.03 99.58 01:30:11 0 0.32 0.00 0.14 0.00 0.02 99.52 01:30:11 1 0.07 0.00 0.19 0.06 0.03 99.64 01:40:05 all 0.50 0.00 0.08 0.02 0.03 99.37 01:40:05 0 0.67 0.00 0.07 0.01 0.02 99.24 01:40:05 1 0.32 0.00 0.10 0.03 0.04 99.51 Average: all 0.31 0.00 0.11 0.02 0.03 99.53 Average: 0 0.29 0.00 0.10 0.01 0.03 99.57 Average: 1 0.34 0.00 0.12 0.03 0.03 99.48