---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31954 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 7.9G 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 756 5208 4 2269 7185 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:9a:d4:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81476sec preferred_lft 81476sec inet6 fe80::f816:3eff:fe9a:d497/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31954) 07/01/26 _x86_64_ (2 CPU) 01:56:57 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:04 1.54 0.05 1.49 0.00 3.37 17.28 0.16 02:20:04 1.44 0.01 1.43 0.00 0.07 16.47 0.12 02:30:01 1.54 0.00 1.53 0.02 0.00 17.66 657.51 02:40:05 1.89 0.25 1.63 0.01 30.79 74.94 0.13 02:50:05 1.41 0.00 1.40 0.00 1.05 16.27 0.05 03:00:01 1.61 0.00 1.59 0.02 0.00 18.76 657.61 03:10:05 13.94 0.00 1.44 12.50 0.15 16.60 108513.34 Average: 3.35 0.05 1.50 1.80 5.09 25.47 15762.88 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:04 6292932 7540344 280296 3.45 30572 1422528 523484 5.70 445740 1183340 200 02:20:04 6298488 7546436 274184 3.37 30772 1422860 523484 5.70 445860 1183872 224 02:30:01 6295376 7543876 276688 3.40 30956 1423192 523628 5.70 445896 1184388 284 02:40:05 6233172 7508712 311416 3.83 31280 1449556 722128 7.87 460684 1202312 216 02:50:05 6255620 7532076 287984 3.54 31440 1450328 551680 6.01 461068 1202804 212 03:00:01 6264592 7541628 278428 3.42 31628 1450660 551744 6.01 463140 1203324 288 03:10:05 6262328 7539952 280048 3.44 31828 1451032 551808 6.01 464620 1203868 236 Average: 6271787 7536146 284149 3.49 31211 1438594 563994 6.14 455287 1194844 237 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.89 0.08 0.11 0.02 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.41 0.03 0.04 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 1.05 0.04 5.14 0.01 0.00 0.00 0.00 0.00 02:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:05 ens3 0.87 0.30 3.91 0.10 0.00 0.00 0.00 0.00 02:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:05 ens3 0.31 0.14 0.07 0.46 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 0.34 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:05 ens3 0.24 0.06 0.07 0.03 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 0.59 0.11 1.35 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31954) 07/01/26 _x86_64_ (2 CPU) 01:56:57 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:04 all 0.32 0.00 0.12 1.05 0.01 98.50 02:10:04 0 0.29 0.00 0.11 0.00 0.01 99.58 02:10:04 1 0.34 0.00 0.12 2.11 0.02 97.41 02:20:04 all 0.26 0.00 0.09 0.09 0.01 99.55 02:20:04 0 0.45 0.00 0.08 0.06 0.01 99.40 02:20:04 1 0.07 0.00 0.10 0.12 0.01 99.71 02:30:01 all 0.25 0.00 0.18 0.03 0.02 99.52 02:30:01 0 0.24 0.00 0.19 0.04 0.01 99.53 02:30:01 1 0.27 0.00 0.18 0.02 0.02 99.50 02:40:05 all 0.40 0.00 0.12 0.03 0.01 99.44 02:40:05 0 0.41 0.00 0.10 0.02 0.01 99.47 02:40:05 1 0.40 0.00 0.14 0.04 0.01 99.41 02:50:05 all 0.29 0.00 0.08 0.03 0.01 99.59 02:50:05 0 0.11 0.00 0.09 0.06 0.01 99.74 02:50:05 1 0.47 0.00 0.07 0.01 0.01 99.44 03:00:01 all 0.23 0.00 0.17 0.01 0.01 99.58 03:00:01 0 0.13 0.00 0.18 0.01 0.01 99.67 03:00:01 1 0.34 0.00 0.16 0.01 0.01 99.49 03:10:05 all 0.24 0.00 0.08 0.03 0.01 99.63 03:10:05 0 0.23 0.00 0.07 0.01 0.01 99.67 03:10:05 1 0.25 0.00 0.09 0.05 0.01 99.59 Average: all 0.29 0.00 0.12 0.18 0.01 99.40 Average: 0 0.26 0.00 0.12 0.03 0.01 99.58 Average: 1 0.31 0.00 0.12 0.34 0.01 99.22