---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-65903 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 782 5267 4 2180 7159 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:f4:89:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81233sec preferred_lft 81233sec inet6 fe80::f816:3eff:fef4:89ab/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-65903) 04/02/26 _x86_64_ (2 CPU) 01:53:21 LINUX RESTART (2 CPU) 02:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:08 14.11 0.01 1.45 12.66 0.20 16.73 110226.01 02:20:01 1.30 0.01 1.29 0.00 0.71 14.84 0.00 02:30:15 2.13 0.30 1.78 0.04 38.49 74.03 214.09 02:40:16 1.33 0.00 1.32 0.02 0.00 15.76 1.09 02:50:01 1.34 0.00 1.32 0.02 0.00 15.50 1.23 03:00:17 23.08 2.95 17.97 2.16 221.99 2972.55 708.43 03:10:18 1.58 0.01 1.55 0.03 0.57 72.26 1.23 Average: 6.47 0.48 3.87 2.12 38.34 465.33 15718.28 02:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:08 6282068 7529296 291108 3.58 30760 1422376 520140 5.67 448916 1183388 136 02:20:01 6281816 7529664 290608 3.57 30920 1422932 520352 5.67 449164 1183872 124 02:30:15 6245092 7521924 297868 3.66 31324 1450972 520172 5.67 460452 1201172 132 02:40:16 6244868 7522368 297420 3.66 31536 1451424 520236 5.67 460800 1201708 184 02:50:01 6252932 7530960 288784 3.55 31736 1451748 520376 5.67 460920 1202232 148 03:00:17 5345444 7453936 317524 3.90 85204 2187536 551112 6.00 552676 1945932 9240 03:10:18 5249548 7360432 411064 5.05 85376 2189852 630956 6.87 598408 1948420 132 Average: 5985967 7492654 313482 3.85 46694 1653834 540478 5.89 490191 1409532 1442 02:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.49 0.04 0.06 0.02 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.37 0.03 0.48 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.56 0.29 2.99 0.03 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.38 0.07 0.23 0.04 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:17 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:17 ens3 49.81 35.93 289.43 10.67 0.00 0.00 0.00 0.00 03:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:18 ens3 12.24 8.68 25.65 1.32 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.33 6.57 46.60 1.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-65903) 04/02/26 _x86_64_ (2 CPU) 01:53:21 LINUX RESTART (2 CPU) 02:00:14 CPU %user %nice %system %iowait %steal %idle 02:10:08 all 0.25 0.00 0.09 0.05 0.02 99.59 02:10:08 0 0.40 0.00 0.06 0.01 0.02 99.52 02:10:08 1 0.10 0.00 0.12 0.09 0.03 99.66 02:20:01 all 0.23 0.00 0.08 0.05 0.02 99.62 02:20:01 0 0.37 0.00 0.04 0.02 0.02 99.55 02:20:01 1 0.09 0.00 0.11 0.08 0.03 99.69 02:30:15 all 0.35 0.00 0.20 0.03 0.03 99.40 02:30:15 0 0.40 0.00 0.21 0.03 0.03 99.33 02:30:15 1 0.30 0.00 0.19 0.02 0.02 99.46 02:40:16 all 0.25 0.00 0.07 0.04 0.02 99.62 02:40:16 0 0.05 0.00 0.09 0.02 0.03 99.82 02:40:16 1 0.44 0.00 0.05 0.05 0.02 99.43 02:50:01 all 0.24 0.00 0.07 0.02 0.03 99.64 02:50:01 0 0.12 0.00 0.09 0.05 0.04 99.72 02:50:01 1 0.36 0.00 0.06 0.00 0.02 99.56 03:00:17 all 10.48 0.00 1.71 2.68 0.05 85.09 03:00:17 0 13.00 0.00 1.90 0.57 0.05 84.48 03:00:17 1 7.96 0.00 1.52 4.79 0.05 85.69 03:10:18 all 0.93 0.00 0.20 0.01 0.04 98.82 03:10:18 0 1.26 0.00 0.24 0.02 0.05 98.43 03:10:18 1 0.59 0.00 0.15 0.01 0.04 99.21 Average: all 1.85 0.00 0.35 0.42 0.03 97.34 Average: 0 2.27 0.00 0.38 0.10 0.03 97.21 Average: 1 1.43 0.00 0.32 0.74 0.03 97.48