---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10952 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 8.0G 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 749 5211 4 2270 7192 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:7a:bb:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81290sec preferred_lft 81290sec inet6 fe80::f816:3eff:fe7a:bbf8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10952) 05/05/26 _x86_64_ (2 CPU) 00:42:13 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:04 1.56 0.01 1.52 0.03 0.05 18.85 868.50 01:10:04 1.17 0.00 1.15 0.02 0.00 14.60 1.20 01:20:01 1.64 0.25 1.36 0.03 31.17 72.42 1.38 01:30:05 1.47 0.00 1.43 0.04 1.05 18.25 866.51 01:40:01 1.61 0.40 1.19 0.02 15.88 46.33 1.21 01:50:01 21.67 2.62 16.83 2.22 212.32 3144.36 511.08 02:00:06 1.58 0.00 1.56 0.02 0.34 70.09 0.33 Average: 4.38 0.47 3.57 0.34 37.18 482.97 322.56 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:04 6290560 7537448 282852 3.48 30732 1422036 528756 5.76 435564 1183476 192 01:10:04 6287148 7534584 285696 3.51 30956 1422364 530328 5.78 436880 1184020 220 01:20:01 6239888 7513976 305836 3.76 31316 1448292 724688 7.89 453444 1201552 124 01:30:05 6242416 7517380 302432 3.72 31536 1448928 530488 5.78 448264 1202088 236 01:40:01 6217332 7507504 311968 3.84 31868 1463732 543416 5.92 483660 1215580 336 01:50:01 5284428 7408056 363292 4.47 85168 2202652 640912 6.98 595920 1963768 512 02:00:06 5259880 7398892 372480 4.58 85308 2217896 644612 7.02 598760 1979048 404 Average: 5974522 7488263 317794 3.91 46698 1660843 591886 6.45 493213 1418505 289 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.67 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 0.54 0.07 3.48 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.02 0.40 4.32 0.08 0.00 0.00 0.00 0.00 01:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:05 ens3 0.44 0.23 0.08 0.46 0.00 0.00 0.00 0.00 01:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 9.89 4.60 20.13 2.67 0.00 0.00 0.00 0.00 01:50:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 71.15 52.95 286.35 10.17 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 40.96 36.65 9.96 5.38 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 17.83 13.59 46.28 2.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10952) 05/05/26 _x86_64_ (2 CPU) 00:42:13 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:04 all 0.28 0.00 0.18 0.01 0.03 99.50 01:00:04 0 0.37 0.00 0.17 0.01 0.03 99.42 01:00:04 1 0.19 0.00 0.18 0.01 0.04 99.58 01:10:04 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:04 0 0.25 0.00 0.07 0.01 0.03 99.65 01:10:04 1 0.27 0.00 0.07 0.02 0.03 99.60 01:20:01 all 0.37 0.00 0.10 0.02 0.03 99.47 01:20:01 0 0.11 0.00 0.11 0.01 0.04 99.73 01:20:01 1 0.63 0.00 0.10 0.03 0.03 99.21 01:30:05 all 0.26 0.00 0.17 0.01 0.03 99.53 01:30:05 0 0.17 0.00 0.18 0.00 0.03 99.62 01:30:05 1 0.35 0.00 0.16 0.02 0.03 99.44 01:40:01 all 0.48 0.00 0.09 0.01 0.03 99.39 01:40:01 0 0.65 0.00 0.06 0.01 0.01 99.26 01:40:01 1 0.31 0.00 0.11 0.02 0.04 99.52 01:50:01 all 13.20 0.00 1.80 0.50 0.07 84.43 01:50:01 0 16.73 0.00 2.03 0.50 0.07 80.67 01:50:01 1 9.67 0.00 1.57 0.51 0.06 88.20 02:00:06 all 6.08 0.00 0.60 0.04 0.07 93.22 02:00:06 0 6.92 0.00 0.65 0.01 0.07 92.35 02:00:06 1 5.25 0.00 0.54 0.06 0.07 94.07 Average: all 2.98 0.00 0.43 0.09 0.04 96.46 Average: 0 3.58 0.00 0.46 0.08 0.04 95.83 Average: 1 2.37 0.00 0.39 0.10 0.04 97.10