---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29889 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 775 5214 4 2248 7166 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:73:90:7b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.35/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81934sec preferred_lft 81934sec inet6 fe80::f816:3eff:fe73:907b/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-29889) 03/25/26 _x86_64_ (2 CPU) 00:39:26 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.81 0.03 1.76 0.02 1.44 29.14 220.91 01:00:07 1.64 0.01 1.60 0.02 0.05 19.24 433.22 01:10:07 1.34 0.00 1.32 0.02 0.00 15.53 1.20 01:20:01 1.34 0.00 1.32 0.02 0.01 15.64 1.10 01:30:07 1.63 0.00 1.61 0.02 0.00 19.09 432.69 01:40:07 1.91 0.32 1.57 0.03 39.01 72.31 434.83 01:50:01 36.61 16.71 17.60 2.30 383.06 3155.60 770.35 Average: 6.57 2.42 3.81 0.35 60.08 471.64 328.06 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 6291632 7542140 278208 3.42 30636 1425512 528864 5.76 443164 1187060 160 01:00:07 6291516 7542604 277740 3.42 30864 1425852 529064 5.76 443356 1187620 196 01:10:07 6292132 7543748 276604 3.40 31064 1426172 529064 5.76 443548 1188148 164 01:20:01 6291908 7544072 276272 3.40 31280 1426500 529080 5.76 443936 1188692 124 01:30:07 6288928 7541656 278632 3.43 31496 1426840 529208 5.76 444340 1189244 152 01:40:07 6236968 7518452 301220 3.70 31872 1454832 726460 7.91 461672 1206424 172 01:50:01 5283316 7451092 311592 3.83 88992 2234560 559476 6.09 552908 1996776 2344 Average: 6139486 7526252 285753 3.51 39458 1545753 561602 6.12 461846 1306281 473 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 2.40 0.09 0.32 0.06 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.74 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.70 0.05 2.20 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.62 0.10 0.71 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.50 0.15 0.08 0.51 0.00 0.00 0.00 0.00 01:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.58 0.22 3.10 0.07 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 60.25 42.46 299.54 10.86 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 6.11 43.38 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29889) 03/25/26 _x86_64_ (2 CPU) 00:39:26 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.31 0.00 0.18 0.01 0.03 99.47 00:50:01 0 0.24 0.00 0.17 0.02 0.03 99.55 00:50:01 1 0.39 0.00 0.20 0.01 0.03 99.38 01:00:07 all 0.29 0.00 0.18 0.01 0.03 99.50 01:00:07 0 0.09 0.00 0.19 0.00 0.03 99.69 01:00:07 1 0.49 0.00 0.17 0.02 0.02 99.30 01:10:07 all 0.26 0.00 0.08 0.01 0.02 99.63 01:10:07 0 0.07 0.00 0.09 0.01 0.03 99.82 01:10:07 1 0.45 0.00 0.07 0.01 0.02 99.45 01:20:01 all 0.27 0.00 0.08 0.01 0.03 99.61 01:20:01 0 0.40 0.00 0.06 0.01 0.02 99.51 01:20:01 1 0.14 0.00 0.10 0.01 0.03 99.71 01:30:07 all 0.28 0.00 0.18 0.01 0.03 99.51 01:30:07 0 0.13 0.00 0.19 0.02 0.03 99.63 01:30:07 1 0.42 0.00 0.16 0.00 0.02 99.39 01:40:07 all 0.31 0.00 0.11 0.02 0.03 99.54 01:40:07 0 0.20 0.00 0.14 0.04 0.03 99.59 01:40:07 1 0.41 0.00 0.08 0.01 0.02 99.49 01:50:01 all 10.63 0.18 1.71 0.73 0.05 86.69 01:50:01 0 12.37 0.00 1.75 0.65 0.05 85.18 01:50:01 1 8.90 0.36 1.68 0.82 0.05 88.20 Average: all 1.75 0.03 0.36 0.11 0.03 97.72 Average: 0 1.91 0.00 0.37 0.11 0.03 97.59 Average: 1 1.59 0.05 0.35 0.12 0.03 97.86