---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17283 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 779 5145 4 2317 7162 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:6b:49:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82186sec preferred_lft 82186sec inet6 fe80::f816:3eff:fe6b:4930/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17283) 05/21/26 _x86_64_ (2 CPU) 01:09:16 LINUX RESTART (2 CPU) 01:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:24 2.39 0.28 2.08 0.03 32.89 928.60 216.20 01:30:13 1.66 0.01 1.63 0.03 0.05 19.32 1.49 01:40:08 1.41 0.00 1.40 0.02 0.00 16.24 1.21 01:50:18 1.28 0.00 1.27 0.02 0.00 14.95 1.18 02:00:25 1.55 0.00 1.52 0.03 0.00 18.42 1.45 02:10:08 16.08 13.94 2.07 0.07 155.61 45.70 10.80 Average: 4.00 2.31 1.66 0.03 30.82 176.01 39.22 01:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:24 6231612 7504924 314956 3.87 30720 1448116 527792 5.75 455388 1200124 200 01:30:13 6238492 7512352 307532 3.78 30936 1448416 527864 5.75 455372 1200640 168 01:40:08 6238492 7512912 306996 3.77 31160 1448744 528000 5.75 455648 1201192 188 01:50:18 6238492 7513440 306452 3.77 31360 1449064 527996 5.75 455668 1201712 188 02:00:25 6237964 7513512 306404 3.77 31576 1449432 527988 5.75 455816 1202296 264 02:10:08 6174380 7507164 303680 3.73 35772 1494160 528188 5.75 457032 1250468 192 Average: 6226572 7510717 307670 3.78 31921 1456322 527971 5.75 455821 1209405 200 01:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 2.10 0.26 3.31 0.07 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 0.52 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.40 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:18 ens3 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:00:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:25 ens3 0.22 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.30 0.08 0.10 0.05 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 0.63 0.09 0.62 0.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17283) 05/21/26 _x86_64_ (2 CPU) 01:09:16 LINUX RESTART (2 CPU) 01:10:16 CPU %user %nice %system %iowait %steal %idle 01:20:24 all 0.41 0.00 0.18 0.02 0.04 99.34 01:20:24 0 0.37 0.00 0.16 0.02 0.04 99.41 01:20:24 1 0.46 0.00 0.19 0.02 0.04 99.28 01:30:13 all 0.25 0.00 0.16 0.01 0.04 99.54 01:30:13 0 0.08 0.00 0.16 0.01 0.05 99.69 01:30:13 1 0.43 0.00 0.15 0.01 0.03 99.38 01:40:08 all 0.25 0.00 0.07 0.01 0.04 99.63 01:40:08 0 0.05 0.00 0.09 0.01 0.05 99.79 01:40:08 1 0.45 0.00 0.05 0.01 0.03 99.46 01:50:18 all 0.25 0.00 0.07 0.01 0.05 99.63 01:50:18 0 0.27 0.00 0.06 0.01 0.04 99.62 01:50:18 1 0.23 0.00 0.07 0.01 0.05 99.64 02:00:25 all 0.29 0.00 0.14 0.01 0.04 99.52 02:00:25 0 0.40 0.00 0.12 0.01 0.03 99.44 02:00:25 1 0.17 0.00 0.17 0.01 0.05 99.60 02:10:08 all 0.29 0.16 0.13 0.13 0.04 99.25 02:10:08 0 0.07 0.33 0.20 0.22 0.06 99.12 02:10:08 1 0.51 0.00 0.05 0.03 0.03 99.37 Average: all 0.29 0.03 0.12 0.03 0.04 99.49 Average: 0 0.21 0.05 0.13 0.05 0.05 99.51 Average: 1 0.37 0.00 0.11 0.02 0.04 99.46