---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26584 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 8.1G 30G 22% / 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 769 5014 4 2458 7172 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:93:87:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82078sec preferred_lft 82078sec inet6 fe80::f816:3eff:fe93:8780/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26584) 06/11/26 _x86_64_ (2 CPU) 01:58:17 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:05 13.93 0.03 1.45 12.44 1.38 17.64 108373.13 02:20:05 1.37 0.01 1.34 0.02 0.07 16.24 1.20 02:30:01 2.10 0.25 1.81 0.04 31.19 78.21 659.23 02:40:05 1.31 0.00 1.31 0.00 0.00 15.39 0.00 02:50:06 1.35 0.00 1.35 0.00 0.00 16.35 0.00 03:00:01 1.55 0.00 1.55 0.01 0.00 18.95 438.68 03:10:04 29.54 3.04 23.08 3.43 231.47 3757.23 1390.44 Average: 7.33 0.48 4.57 2.29 37.81 561.81 15941.26 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:05 6298276 7544952 275364 3.39 30572 1421776 528528 5.76 439488 1183212 216 02:20:05 6296024 7543268 277108 3.41 30808 1422100 528656 5.76 439572 1183772 180 02:30:01 6264408 7538520 281328 3.46 31212 1448192 732592 7.98 453904 1201496 212 02:40:05 6276252 7550840 269012 3.31 31364 1448508 735056 8.01 456348 1201968 192 02:50:06 6275748 7550868 268996 3.31 31552 1448836 735124 8.01 457200 1202488 248 03:00:01 6262416 7538180 281664 3.46 31720 1449292 735684 8.01 458136 1202984 124 03:10:04 5226556 7435160 331488 4.08 89596 2278884 772756 8.42 557700 2043380 26896 Average: 6128526 7528827 283566 3.49 39546 1559655 681199 7.42 466050 1317043 4010 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 1.63 0.06 0.30 0.02 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.38 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.85 0.23 16.72 0.03 0.00 0.00 0.00 0.00 02:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.42 0.07 0.40 0.05 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.27 0.06 0.07 0.03 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 0.41 0.16 0.13 0.56 0.00 0.00 0.00 0.00 03:10:04 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 03:10:04 ens3 113.43 76.03 329.36 19.58 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 16.83 10.99 49.72 2.91 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26584) 06/11/26 _x86_64_ (2 CPU) 01:58:17 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:05 all 0.25 0.00 0.10 0.03 0.05 99.57 02:10:05 0 0.10 0.00 0.12 0.05 0.06 99.68 02:10:05 1 0.40 0.00 0.07 0.02 0.04 99.47 02:20:05 all 0.22 0.00 0.07 0.01 0.05 99.65 02:20:05 0 0.31 0.00 0.08 0.00 0.05 99.57 02:20:05 1 0.13 0.00 0.07 0.02 0.05 99.73 02:30:01 all 0.44 0.00 0.19 0.03 0.05 99.28 02:30:01 0 0.39 0.00 0.18 0.03 0.05 99.35 02:30:01 1 0.50 0.00 0.21 0.03 0.06 99.21 02:40:05 all 0.24 0.00 0.07 0.01 0.05 99.63 02:40:05 0 0.30 0.00 0.06 0.01 0.05 99.58 02:40:05 1 0.19 0.00 0.08 0.01 0.05 99.67 02:50:06 all 0.22 0.00 0.07 0.01 0.04 99.65 02:50:06 0 0.17 0.00 0.08 0.01 0.05 99.70 02:50:06 1 0.27 0.00 0.07 0.01 0.04 99.61 03:00:01 all 0.26 0.00 0.17 0.01 0.04 99.51 03:00:01 0 0.14 0.00 0.20 0.01 0.05 99.61 03:00:01 1 0.38 0.00 0.14 0.02 0.04 99.41 03:10:04 all 15.26 0.00 2.18 0.98 0.08 81.49 03:10:04 0 11.20 0.00 1.90 1.22 0.08 85.60 03:10:04 1 19.33 0.00 2.46 0.75 0.07 77.38 Average: all 2.42 0.00 0.41 0.16 0.05 96.97 Average: 0 1.80 0.00 0.37 0.19 0.05 97.58 Average: 1 3.03 0.00 0.44 0.12 0.05 96.35