---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1632 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 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 751 5197 4 2285 7190 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:aa:ab:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81936sec preferred_lft 81936sec inet6 fe80::f816:3eff:feaa:ab82/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1632) 08/03/26 _x86_64_ (2 CPU) 00:42:51 LINUX RESTART (2 CPU) 00:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:15 1.59 0.01 1.57 0.02 0.05 18.69 436.05 01:10:15 1.37 0.00 1.35 0.02 0.00 15.69 1.20 01:20:15 1.47 0.00 1.45 0.02 0.01 17.40 1.12 01:30:15 1.68 0.00 1.64 0.04 0.00 20.00 872.32 01:40:15 1.39 0.00 1.37 0.02 0.00 16.32 1.20 01:50:15 27.09 1.62 11.64 13.83 116.75 2049.01 108991.90 Average: 5.77 0.27 3.17 2.32 19.47 356.18 18383.72 00:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:15 6261292 7539772 280108 3.44 30940 1452968 520572 5.67 454092 1205696 128 01:10:15 6258320 7537336 282568 3.47 31140 1453296 521540 5.68 453952 1206224 152 01:20:15 6262904 7542488 277344 3.41 31372 1453628 576896 6.28 459852 1206784 184 01:30:15 6261468 7541608 278256 3.42 31588 1453956 521820 5.68 454700 1207332 136 01:40:15 6261048 7541860 277980 3.42 31796 1454416 521948 5.69 454976 1207868 160 01:50:15 5441824 7385644 394072 4.85 72096 2042924 631332 6.88 596620 1819956 104672 Average: 6124476 7514785 298388 3.67 38155 1551865 549018 5.98 479032 1308977 17572 00:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:15 ens3 0.53 0.04 0.06 0.01 0.00 0.00 0.00 0.00 01:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:15 ens3 0.44 0.08 0.09 0.05 0.00 0.00 0.00 0.00 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.61 0.12 3.74 0.08 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.52 0.05 0.65 0.03 0.00 0.00 0.00 0.00 01:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:15 ens3 0.62 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:50:15 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:15 ens3 36.17 24.66 277.99 6.32 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.48 4.17 47.11 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1632) 08/03/26 _x86_64_ (2 CPU) 00:42:51 LINUX RESTART (2 CPU) 00:50:15 CPU %user %nice %system %iowait %steal %idle 01:00:15 all 0.25 0.00 0.17 1.78 0.04 97.77 01:00:15 0 0.21 0.00 0.16 1.27 0.04 98.32 01:00:15 1 0.29 0.00 0.18 2.29 0.03 97.21 01:10:15 all 0.29 0.00 0.08 0.02 0.03 99.58 01:10:15 0 0.13 0.00 0.08 0.00 0.04 99.75 01:10:15 1 0.45 0.00 0.08 0.03 0.03 99.42 01:20:15 all 0.30 0.00 0.09 0.03 0.03 99.56 01:20:15 0 0.18 0.00 0.10 0.02 0.03 99.68 01:20:15 1 0.42 0.00 0.09 0.03 0.03 99.43 01:30:15 all 0.30 0.00 0.17 0.01 0.03 99.49 01:30:15 0 0.13 0.00 0.18 0.01 0.03 99.65 01:30:15 1 0.46 0.00 0.16 0.01 0.03 99.34 01:40:15 all 0.27 0.00 0.07 0.01 0.02 99.63 01:40:15 0 0.08 0.00 0.09 0.00 0.03 99.80 01:40:15 1 0.46 0.00 0.05 0.02 0.02 99.45 01:50:15 all 6.56 0.00 0.97 0.62 0.09 91.75 01:50:15 0 7.13 0.00 1.07 0.35 0.03 91.42 01:50:15 1 5.99 0.00 0.87 0.90 0.16 92.08 Average: all 1.33 0.00 0.26 0.41 0.04 97.96 Average: 0 1.31 0.00 0.28 0.28 0.03 98.10 Average: 1 1.35 0.00 0.24 0.54 0.05 97.82