---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23564 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 740 5307 4 2182 7201 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:2d:e7:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82337sec preferred_lft 82337sec inet6 fe80::f816:3eff:fe2d:e766/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23564) 06/04/26 _x86_64_ (2 CPU) 01:48:35 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:22 1.58 0.02 1.54 0.02 1.20 18.83 633.78 02:10:16 1.32 0.01 1.30 0.02 0.05 15.83 1.21 02:20:01 1.88 0.26 1.60 0.03 31.79 75.51 1.30 02:30:22 1.65 0.00 1.64 0.01 1.02 19.34 0.31 02:40:06 1.46 0.03 1.43 0.00 2.21 17.13 0.04 02:50:01 1.31 0.00 1.31 0.00 0.00 15.74 0.00 Average: 1.54 0.05 1.47 0.01 5.92 26.85 109.59 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:22 6296712 7547652 272648 3.35 30600 1425944 531128 5.79 450900 1187172 160 02:10:16 6296472 7547964 272360 3.35 30816 1426276 531256 5.79 450996 1187720 164 02:20:01 6239640 7517892 301972 3.71 31220 1452276 726400 7.91 465272 1205360 324 02:30:22 6242292 7521404 298412 3.67 31416 1452916 531288 5.79 460168 1205884 124 02:40:06 6249092 7529480 290348 3.57 31584 1454012 531352 5.79 461100 1206460 204 02:50:01 6249804 7530684 289132 3.56 31740 1454348 531352 5.79 461216 1206944 152 Average: 6262335 7532513 287479 3.53 31229 1444295 563796 6.14 458275 1199923 188 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:22 ens3 1.51 0.08 0.20 0.04 0.00 0.00 0.00 0.00 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.38 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.19 0.22 12.09 0.03 0.00 0.00 0.00 0.00 02:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:22 ens3 0.17 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.34 0.10 0.11 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.30 0.10 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 0.65 0.09 2.05 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23564) 06/04/26 _x86_64_ (2 CPU) 01:48:35 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:22 all 0.29 0.00 0.18 0.01 0.02 99.50 02:00:22 0 0.29 0.00 0.17 0.01 0.02 99.51 02:00:22 1 0.29 0.00 0.18 0.01 0.02 99.49 02:10:16 all 0.24 0.00 0.09 0.01 0.02 99.64 02:10:16 0 0.07 0.00 0.10 0.02 0.02 99.79 02:10:16 1 0.41 0.00 0.08 0.01 0.02 99.49 02:20:01 all 0.37 0.00 0.11 0.02 0.02 99.48 02:20:01 0 0.29 0.00 0.14 0.02 0.02 99.53 02:20:01 1 0.46 0.00 0.09 0.02 0.01 99.42 02:30:22 all 0.26 0.00 0.16 0.14 0.01 99.42 02:30:22 0 0.27 0.00 0.17 0.10 0.01 99.46 02:30:22 1 0.26 0.00 0.15 0.18 0.02 99.39 02:40:06 all 0.31 0.00 0.10 0.13 0.01 99.45 02:40:06 0 0.23 0.00 0.10 0.07 0.01 99.59 02:40:06 1 0.39 0.00 0.09 0.20 0.01 99.32 02:50:01 all 0.25 0.00 0.09 0.01 0.27 99.38 02:50:01 0 0.27 0.00 0.09 0.01 0.27 99.36 02:50:01 1 0.24 0.00 0.08 0.01 0.28 99.40 Average: all 0.29 0.00 0.12 0.05 0.06 99.48 Average: 0 0.24 0.00 0.13 0.04 0.06 99.54 Average: 1 0.34 0.00 0.11 0.07 0.06 99.42