---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15632 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 798 5157 4 2275 7143 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:b7:04:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81232sec preferred_lft 81232sec inet6 fe80::f816:3eff:feb7:4df/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-15632) 05/16/26 _x86_64_ (2 CPU) 00:40:47 LINUX RESTART (2 CPU) 00:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.59 0.01 1.56 0.02 0.05 18.81 881.46 01:10:08 1.36 0.00 1.34 0.02 0.00 15.49 1.19 01:20:08 1.43 0.00 1.41 0.02 0.01 16.28 1.20 01:30:08 2.08 0.25 1.80 0.04 30.97 77.01 654.64 01:40:08 15.10 0.92 1.62 12.57 67.72 96.87 109122.17 01:50:02 21.46 2.13 17.08 2.25 162.22 3154.55 1036.85 02:00:08 1.75 0.00 1.72 0.02 0.34 72.04 0.37 Average: 6.37 0.47 3.77 2.13 37.08 488.29 15953.95 00:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6274672 7526300 294088 3.62 30764 1426712 523692 5.70 446328 1187728 272 01:10:08 6274448 7526620 293776 3.61 30972 1427036 523856 5.71 446456 1188268 164 01:20:08 6277824 7530540 289848 3.56 31200 1427348 523924 5.71 446860 1188808 164 01:30:08 6221540 7501036 318828 3.92 31604 1453340 719220 7.83 461632 1206440 220 01:40:08 6080724 7424348 391932 4.82 37268 1508924 797612 8.69 567624 1258708 14256 01:50:02 5240300 7369228 401968 4.94 85064 2207976 863212 9.40 633968 1968800 544 02:00:08 5219908 7364504 406640 5.00 85228 2223472 865024 9.42 636404 1984356 624 Average: 5941345 7463225 342440 4.21 47443 1667830 688077 7.49 519896 1426158 2321 00:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.55 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.38 0.05 0.84 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.63 0.10 0.36 0.10 0.00 0.00 0.00 0.00 01:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.70 0.42 3.17 0.65 0.00 0.00 0.00 0.00 01:40:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 20.82 10.98 51.08 4.23 0.00 0.00 0.00 0.00 01:50:02 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:02 ens3 65.90 48.80 258.59 8.73 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 48.60 45.56 10.33 5.96 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 19.63 15.14 45.97 2.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15632) 05/16/26 _x86_64_ (2 CPU) 00:40:47 LINUX RESTART (2 CPU) 00:50:08 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.28 0.00 0.18 0.01 0.03 99.50 01:00:02 0 0.25 0.00 0.18 0.01 0.03 99.53 01:00:02 1 0.30 0.00 0.18 0.01 0.02 99.48 01:10:08 all 0.26 0.00 0.07 0.01 0.02 99.63 01:10:08 0 0.43 0.00 0.07 0.02 0.02 99.46 01:10:08 1 0.10 0.00 0.07 0.01 0.02 99.80 01:20:08 all 0.25 0.00 0.07 0.01 0.03 99.64 01:20:08 0 0.34 0.00 0.07 0.02 0.02 99.56 01:20:08 1 0.17 0.00 0.08 0.01 0.03 99.71 01:30:08 all 0.41 0.00 0.20 0.02 0.02 99.34 01:30:08 0 0.23 0.00 0.22 0.03 0.03 99.49 01:30:08 1 0.59 0.00 0.18 0.01 0.02 99.20 01:40:08 all 0.74 0.00 0.21 0.05 0.03 98.97 01:40:08 0 0.60 0.00 0.18 0.06 0.03 99.12 01:40:08 1 0.88 0.00 0.24 0.04 0.02 98.82 01:50:02 all 13.14 0.00 1.71 0.51 0.07 84.58 01:50:02 0 10.45 0.00 1.52 0.44 0.07 87.52 01:50:02 1 15.83 0.00 1.89 0.58 0.06 81.64 02:00:08 all 6.05 0.00 0.61 0.02 0.07 93.26 02:00:08 0 6.66 0.00 0.67 0.02 0.07 92.58 02:00:08 1 5.43 0.00 0.55 0.02 0.06 93.93 Average: all 3.00 0.00 0.43 0.09 0.04 96.44 Average: 0 2.69 0.00 0.41 0.09 0.04 96.77 Average: 1 3.30 0.00 0.45 0.09 0.03 96.12