---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36756 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: 5600.00 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 8.0G 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 5174 4 2290 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:6c:7f:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81587sec preferred_lft 81587sec inet6 fe80::f816:3eff:fe6c:7f33/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36756) 07/18/26 _x86_64_ (2 CPU) 00:38:49 LINUX RESTART (2 CPU) 00:40:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 15.16 0.30 1.83 13.03 34.71 81.33 113430.56 01:00:01 1.62 0.01 1.59 0.02 0.05 18.65 442.75 01:10:32 1.53 0.00 1.51 0.02 0.00 17.93 208.36 01:20:10 1.36 0.00 1.34 0.02 0.01 15.89 1.12 01:30:01 1.56 0.00 1.53 0.03 0.00 18.71 664.91 01:40:10 1.38 0.00 1.36 0.02 0.00 16.10 1.18 01:50:06 1.78 0.40 1.36 0.02 15.93 47.79 1.21 Average: 3.42 0.10 1.50 1.82 7.09 30.63 15886.40 00:40:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 6243792 7517524 302940 3.73 30744 1448324 528184 5.75 453620 1200940 176 01:00:01 6255168 7529480 290928 3.58 30960 1448656 528208 5.75 453852 1201488 124 01:10:32 6254928 7529832 290568 3.57 31220 1448980 528352 5.75 453944 1202072 124 01:20:10 6262516 7537964 282420 3.47 31428 1449316 528488 5.76 454544 1202608 244 01:30:01 6261292 7537276 283064 3.48 31636 1449628 528552 5.76 454480 1203136 124 01:40:10 6261292 7537940 282392 3.47 31828 1450092 528552 5.76 454792 1203664 132 01:50:06 6228980 7520744 299248 3.68 32172 1464780 546184 5.95 479988 1217176 320 Average: 6252567 7530109 290223 3.57 31427 1451397 530931 5.78 457889 1204441 178 00:40:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 3.67 0.57 3.85 0.12 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:32 ens3 0.40 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.71 0.29 0.21 0.65 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:10 ens3 0.42 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:50:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 8.48 5.11 20.06 2.93 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 2.06 0.89 3.48 0.55 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-36756) 07/18/26 _x86_64_ (2 CPU) 00:38:49 LINUX RESTART (2 CPU) 00:40:32 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.40 0.00 0.13 0.04 0.02 99.41 00:50:10 0 0.66 0.00 0.11 0.03 0.02 99.18 00:50:10 1 0.13 0.00 0.15 0.06 0.03 99.64 01:00:01 all 0.26 0.00 0.17 0.01 0.02 99.53 01:00:01 0 0.43 0.00 0.16 0.02 0.02 99.36 01:00:01 1 0.08 0.00 0.18 0.01 0.03 99.70 01:10:32 all 0.24 0.00 0.08 0.01 0.02 99.65 01:10:32 0 0.18 0.00 0.07 0.01 0.02 99.73 01:10:32 1 0.30 0.00 0.09 0.02 0.02 99.56 01:20:10 all 0.27 0.00 0.07 0.01 0.02 99.62 01:20:10 0 0.07 0.00 0.08 0.01 0.02 99.82 01:20:10 1 0.48 0.00 0.07 0.02 0.02 99.42 01:30:01 all 0.23 0.00 0.16 0.01 0.02 99.58 01:30:01 0 0.10 0.00 0.17 0.02 0.02 99.70 01:30:01 1 0.37 0.00 0.15 0.01 0.02 99.45 01:40:10 all 0.25 0.00 0.06 0.01 0.02 99.66 01:40:10 0 0.29 0.00 0.07 0.00 0.01 99.62 01:40:10 1 0.21 0.00 0.06 0.02 0.02 99.69 01:50:06 all 0.49 0.00 0.09 0.02 0.02 99.38 01:50:06 0 0.35 0.00 0.08 0.00 0.02 99.54 01:50:06 1 0.63 0.00 0.10 0.03 0.02 99.23 Average: all 0.31 0.00 0.11 0.02 0.02 99.55 Average: 0 0.30 0.00 0.11 0.01 0.02 99.57 Average: 1 0.32 0.00 0.11 0.02 0.02 99.53