---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36563 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 770 5178 4 2285 7171 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:e9:4f:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81621sec preferred_lft 81621sec inet6 fe80::f816:3eff:fee9:4f26/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36563) 07/17/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.49 0.03 1.45 0.01 1.25 17.79 438.09 02:10:17 1.75 0.25 1.48 0.02 30.23 73.82 0.99 02:20:07 1.20 0.00 1.18 0.02 0.01 14.20 0.99 02:30:01 1.32 0.00 1.31 0.01 0.00 16.12 439.59 02:40:17 1.21 0.00 1.21 0.00 0.00 15.08 0.00 02:50:17 1.26 0.00 1.26 0.00 0.00 15.01 0.01 03:00:01 1.40 0.00 1.39 0.01 0.00 17.22 447.60 Average: 1.37 0.04 1.32 0.01 4.61 24.40 187.17 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6277196 7528492 292268 3.59 30612 1426300 527988 5.75 448976 1187464 240 02:10:17 6228140 7506788 313520 3.86 30996 1452900 728160 7.93 463388 1205684 136 02:20:07 6243316 7522504 297796 3.66 31192 1453232 728328 7.93 463444 1206212 48 02:30:01 6256612 7536352 283904 3.49 31396 1453552 728512 7.93 463516 1206736 148 02:40:17 6256612 7536860 283428 3.49 31564 1453888 728524 7.94 463724 1207240 176 02:50:17 6261636 7542512 277772 3.42 31732 1454340 728556 7.94 464200 1207732 164 03:00:01 6261172 7542524 277692 3.41 31892 1454632 728684 7.94 464512 1208184 124 Average: 6254955 7530862 289483 3.56 31341 1449835 699822 7.62 461680 1204179 148 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.16 0.06 0.14 0.03 0.00 0.00 0.00 0.00 02:10:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 1.21 0.46 3.19 0.04 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.71 0.03 5.65 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.35 0.06 0.24 0.02 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.41 0.07 0.11 0.05 0.00 0.00 0.00 0.00 02:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:17 ens3 0.42 0.11 0.14 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.46 0.19 0.13 0.61 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.68 0.14 1.37 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36563) 07/17/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.16 0.04 0.03 99.49 02:00:01 0 0.22 0.00 0.16 0.01 0.03 99.58 02:00:01 1 0.32 0.00 0.16 0.08 0.03 99.41 02:10:17 all 0.38 0.00 0.10 0.02 0.04 99.46 02:10:17 0 0.33 0.00 0.14 0.04 0.05 99.46 02:10:17 1 0.44 0.00 0.06 0.01 0.03 99.47 02:20:07 all 0.25 0.00 0.07 0.01 0.03 99.64 02:20:07 0 0.42 0.00 0.07 0.01 0.03 99.49 02:20:07 1 0.08 0.00 0.07 0.02 0.04 99.79 02:30:01 all 0.25 0.00 0.15 0.01 0.03 99.55 02:30:01 0 0.43 0.00 0.14 0.02 0.03 99.39 02:30:01 1 0.07 0.00 0.17 0.00 0.04 99.72 02:40:17 all 0.24 0.00 0.07 0.01 0.03 99.65 02:40:17 0 0.40 0.00 0.06 0.01 0.03 99.50 02:40:17 1 0.09 0.00 0.08 0.00 0.03 99.79 02:50:17 all 0.27 0.00 0.08 0.02 0.03 99.60 02:50:17 0 0.13 0.00 0.09 0.03 0.03 99.71 02:50:17 1 0.41 0.00 0.06 0.01 0.03 99.49 03:00:01 all 0.26 0.00 0.15 0.02 0.03 99.54 03:00:01 0 0.27 0.00 0.15 0.01 0.03 99.55 03:00:01 1 0.25 0.00 0.15 0.04 0.03 99.53 Average: all 0.28 0.00 0.11 0.02 0.03 99.56 Average: 0 0.31 0.00 0.11 0.02 0.03 99.52 Average: 1 0.24 0.00 0.11 0.02 0.03 99.60