---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30961 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 753 5208 4 2272 7188 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:03:0c:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81312sec preferred_lft 81312sec inet6 fe80::f816:3eff:fe03:c04/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30961) 06/27/26 _x86_64_ (2 CPU) 00:42:39 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:16 1.67 0.01 1.64 0.02 0.05 19.88 849.83 01:10:01 1.86 0.26 1.58 0.03 31.79 77.03 1.25 01:20:01 14.03 0.01 1.48 12.55 1.21 17.57 109105.69 01:30:16 1.53 0.00 1.51 0.02 0.00 18.83 637.14 01:40:01 1.34 0.00 1.34 0.00 0.00 15.82 0.00 01:50:01 28.72 2.99 23.33 2.39 226.99 3807.53 1293.44 02:00:06 1.59 0.00 1.57 0.02 0.00 25.56 0.67 Average: 7.24 0.47 4.63 2.14 36.99 568.05 15971.12 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:16 6289284 7536320 284384 3.50 30672 1422088 527408 5.74 445564 1183488 140 01:10:01 6235932 7510032 310180 3.81 31048 1448424 725700 7.90 460008 1201436 240 01:20:01 6243288 7518288 301868 3.71 31240 1449112 530844 5.78 457388 1201976 156 01:30:16 6256824 7532380 287744 3.54 31432 1449440 531092 5.78 457556 1202496 188 01:40:01 6256360 7532528 287572 3.54 31592 1449896 531220 5.79 458152 1202976 176 01:50:01 5207156 7407620 359640 4.42 86844 2273748 628900 6.85 594616 2036660 196 02:00:06 5149096 7351548 415632 5.11 86980 2275616 652584 7.11 610740 2038672 164 Average: 5948277 7484102 321003 3.95 47115 1681189 589678 6.42 497718 1438243 180 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 0.86 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.99 0.50 3.32 0.07 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 0.99 0.13 1.10 0.10 0.00 0.00 0.00 0.00 01:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:16 ens3 0.39 0.20 0.08 0.52 0.00 0.00 0.00 0.00 01:40:01 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.54 0.15 0.18 0.10 0.00 0.00 0.00 0.00 01:50:01 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 62.12 44.22 316.73 11.36 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 10.36 8.88 71.35 0.89 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.89 7.74 56.13 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30961) 06/27/26 _x86_64_ (2 CPU) 00:42:39 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:16 all 0.27 0.00 0.18 0.02 0.03 99.50 01:00:16 0 0.26 0.00 0.15 0.00 0.03 99.56 01:00:16 1 0.28 0.00 0.20 0.04 0.03 99.45 01:10:01 all 0.37 0.00 0.10 0.02 0.04 99.47 01:10:01 0 0.22 0.00 0.12 0.03 0.04 99.59 01:10:01 1 0.52 0.00 0.08 0.02 0.03 99.35 01:20:01 all 0.31 0.00 0.08 0.03 0.04 99.54 01:20:01 0 0.56 0.00 0.05 0.01 0.03 99.35 01:20:01 1 0.07 0.00 0.11 0.06 0.04 99.72 01:30:16 all 0.30 0.00 0.15 0.07 0.03 99.45 01:30:16 0 0.43 0.00 0.12 0.01 0.02 99.42 01:30:16 1 0.16 0.00 0.18 0.13 0.04 99.49 01:40:01 all 0.24 0.00 0.07 2.38 0.03 97.27 01:40:01 0 0.20 0.00 0.07 3.13 0.03 96.57 01:40:01 1 0.29 0.00 0.07 1.63 0.04 97.97 01:50:01 all 12.54 0.00 1.83 17.56 0.05 68.01 01:50:01 0 14.04 0.00 1.96 20.44 0.06 63.50 01:50:01 1 11.04 0.00 1.70 14.68 0.05 72.53 02:00:06 all 0.92 0.00 0.29 0.69 0.05 98.06 02:00:06 0 1.00 0.00 0.29 0.89 0.06 97.77 02:00:06 1 0.84 0.00 0.29 0.48 0.04 98.34 Average: all 2.13 0.00 0.39 2.95 0.04 94.50 Average: 0 2.38 0.00 0.39 3.48 0.04 93.71 Average: 1 1.88 0.00 0.38 2.42 0.04 95.29