---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1048 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 741 5216 4 2277 7200 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:61:f4:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82240sec preferred_lft 82240sec inet6 fe80::f816:3eff:fe61:f42c/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-1048) 08/01/26 _x86_64_ (2 CPU) 01:56:23 LINUX RESTART (2 CPU) 02:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 2.02 0.29 1.71 0.02 33.89 79.08 1.05 02:20:12 1.44 0.01 1.43 0.00 0.07 16.62 0.12 02:30:13 1.51 0.00 1.50 0.01 0.00 18.39 652.22 02:40:01 1.32 0.00 1.32 0.00 0.00 15.77 0.00 02:50:14 1.40 0.00 1.40 0.00 0.00 16.58 0.01 03:00:15 14.22 1.62 11.67 0.93 116.33 2198.29 635.45 Average: 3.65 0.32 3.17 0.16 24.97 391.11 215.05 02:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6254584 7533516 286784 3.53 30836 1453328 528516 5.76 451132 1205552 124 02:20:12 6253608 7533064 287200 3.53 31024 1453660 528572 5.76 451328 1206072 160 02:30:13 6256616 7536604 283592 3.49 31212 1453988 528708 5.76 451488 1206580 192 02:40:01 6263952 7544428 275768 3.39 31364 1454308 529472 5.77 452920 1207060 132 02:50:14 6271036 7552036 268144 3.30 31548 1454644 529472 5.77 453072 1207580 124 03:00:15 5454208 7398212 381788 4.69 71752 2043232 649432 7.07 592884 1819552 44720 Average: 6125667 7516310 297213 3.65 37956 1552193 549029 5.98 475471 1308733 7575 02:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.21 0.23 3.37 0.03 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 1.40 0.08 10.16 0.03 0.00 0.00 0.00 0.00 02:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:13 ens3 0.52 0.07 0.12 0.04 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.81 3.97 4.32 3.52 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 0.78 0.13 0.22 0.11 0.00 0.00 0.00 0.00 03:00:15 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:15 ens3 38.30 25.42 277.36 10.05 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.16 4.98 49.33 2.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1048) 08/01/26 _x86_64_ (2 CPU) 01:56:23 LINUX RESTART (2 CPU) 02:00:12 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.36 0.00 0.11 0.04 0.03 99.47 02:10:01 0 0.36 0.00 0.13 0.02 0.02 99.46 02:10:01 1 0.37 0.00 0.08 0.05 0.03 99.47 02:20:12 all 0.25 0.00 0.07 0.11 0.02 99.54 02:20:12 0 0.06 0.00 0.09 0.05 0.03 99.77 02:20:12 1 0.44 0.00 0.05 0.17 0.02 99.31 02:30:13 all 0.27 0.00 0.17 0.05 0.02 99.49 02:30:13 0 0.06 0.00 0.18 0.08 0.03 99.65 02:30:13 1 0.47 0.00 0.16 0.01 0.02 99.33 02:40:01 all 0.40 0.00 0.09 0.24 0.03 99.24 02:40:01 0 0.36 0.00 0.09 0.44 0.02 99.09 02:40:01 1 0.44 0.00 0.10 0.03 0.03 99.40 02:50:14 all 0.25 0.00 0.07 0.03 0.02 99.63 02:50:14 0 0.05 0.00 0.09 0.02 0.02 99.81 02:50:14 1 0.45 0.00 0.05 0.03 0.02 99.44 03:00:15 all 6.43 0.00 1.03 1.00 0.03 91.51 03:00:15 0 6.40 0.00 1.07 1.04 0.03 91.46 03:00:15 1 6.47 0.00 0.99 0.95 0.04 91.56 Average: all 1.33 0.00 0.26 0.24 0.03 98.15 Average: 0 1.22 0.00 0.27 0.27 0.03 98.21 Average: 1 1.44 0.00 0.24 0.21 0.03 98.08