---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20186 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 783 5196 4 2253 7158 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:ec:07:a7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82137sec preferred_lft 82137sec inet6 fe80::f816:3eff:feec:7a7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20186) 05/26/26 _x86_64_ (2 CPU) 00:46:17 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:28 1.58 0.03 1.54 0.02 2.20 25.50 417.46 01:10:08 1.41 0.01 1.40 0.01 0.06 16.68 0.25 01:20:21 1.27 0.00 1.26 0.01 0.01 14.90 213.33 01:30:33 1.45 0.00 1.42 0.03 0.00 17.40 428.68 01:40:08 1.28 0.00 1.26 0.02 0.00 15.50 1.25 01:50:33 2.89 1.28 1.57 0.05 92.66 159.36 4.28 Average: 1.66 0.23 1.41 0.02 16.34 42.39 181.21 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:28 6256492 7529244 291320 3.58 30772 1447296 534428 5.82 461652 1200468 172 01:10:08 6255736 7528972 291516 3.58 30960 1447596 597892 6.51 467036 1200952 124 01:20:21 6255736 7529528 290996 3.58 31156 1447952 534692 5.82 462164 1201504 168 01:30:33 6250968 7525328 295136 3.63 31376 1448280 534788 5.82 462480 1202056 124 01:40:08 6250968 7525960 294528 3.62 31572 1448704 535868 5.84 464156 1202548 124 01:50:33 6040148 7434712 378680 4.66 40992 1552912 624448 6.80 571320 1303588 49468 Average: 6218341 7512291 307029 3.78 32805 1465457 560353 6.10 481468 1218519 8363 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:28 ens3 0.93 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.50 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 0.55 0.10 0.13 0.06 0.00 0.00 0.00 0.00 01:30:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:33 ens3 0.35 0.06 0.09 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 0.51 0.17 0.12 0.59 0.00 0.00 0.00 0.00 01:50:33 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:33 ens3 18.22 11.17 66.71 4.06 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 3.61 2.00 11.57 0.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20186) 05/26/26 _x86_64_ (2 CPU) 00:46:17 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:28 all 0.30 0.00 0.20 0.01 0.02 99.47 01:00:28 0 0.46 0.00 0.19 0.00 0.02 99.32 01:00:28 1 0.14 0.00 0.21 0.02 0.02 99.61 01:10:08 all 0.31 0.00 0.11 0.01 0.02 99.55 01:10:08 0 0.47 0.00 0.09 0.00 0.02 99.41 01:10:08 1 0.16 0.00 0.13 0.01 0.02 99.68 01:20:21 all 0.31 0.00 0.08 0.01 0.02 99.58 01:20:21 0 0.33 0.00 0.08 0.01 0.02 99.57 01:20:21 1 0.28 0.00 0.09 0.01 0.02 99.60 01:30:33 all 0.29 0.00 0.16 0.01 0.02 99.52 01:30:33 0 0.29 0.00 0.16 0.01 0.02 99.52 01:30:33 1 0.29 0.00 0.17 0.01 0.02 99.52 01:40:08 all 0.28 0.00 0.08 0.01 0.02 99.62 01:40:08 0 0.47 0.00 0.08 0.00 0.02 99.43 01:40:08 1 0.08 0.00 0.09 0.01 0.02 99.80 01:50:33 all 1.40 0.00 0.27 0.05 0.04 98.24 01:50:33 0 1.65 0.00 0.30 0.04 0.06 97.95 01:50:33 1 1.15 0.00 0.24 0.05 0.03 98.53 Average: all 0.49 0.00 0.15 0.02 0.03 99.32 Average: 0 0.62 0.00 0.15 0.01 0.03 99.19 Average: 1 0.35 0.00 0.15 0.02 0.02 99.45