---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27716 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 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 756 5216 4 2261 7185 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:43:d1:c7 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 82241sec preferred_lft 82241sec inet6 fe80::f816:3eff:fe43:d1c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27716) 06/16/26 _x86_64_ (2 CPU) 01:48:06 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.47 0.05 1.41 0.01 3.39 17.74 435.99 02:10:19 13.47 0.01 1.27 12.19 0.19 14.84 106140.01 02:20:01 1.13 0.00 1.13 0.00 0.01 13.35 0.00 02:30:01 1.52 0.00 1.51 0.01 0.00 17.62 435.94 02:40:19 1.72 0.25 1.46 0.01 31.10 71.72 0.18 02:50:01 1.12 0.00 1.12 0.00 0.00 13.74 0.00 Average: 3.47 0.05 1.32 2.10 5.94 25.13 18345.01 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6287540 7534988 285740 3.51 30560 1422576 531920 5.79 446744 1183372 132 02:10:19 6286808 7534844 285880 3.52 30740 1422980 531984 5.79 446812 1183928 164 02:20:01 6286108 7534624 286096 3.52 30912 1423280 531984 5.79 446728 1184400 152 02:30:01 6289208 7538244 282332 3.47 31092 1423608 533760 5.81 448036 1184908 124 02:40:19 6245396 7521700 298504 3.67 31432 1450184 532212 5.80 456212 1202612 212 02:50:01 6250188 7526960 293244 3.61 31592 1450480 532204 5.80 454780 1203076 268 Average: 6274208 7531893 288633 3.55 31055 1432185 532344 5.80 449885 1190383 175 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.54 0.10 0.19 0.04 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.35 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.62 0.03 5.60 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:19 ens3 0.50 0.23 3.09 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.31 0.09 0.11 0.06 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 0.59 0.09 1.50 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27716) 06/16/26 _x86_64_ (2 CPU) 01:48:06 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.01 0.03 99.49 02:00:01 0 0.50 0.00 0.15 0.02 0.03 99.30 02:00:01 1 0.09 0.00 0.19 0.01 0.04 99.67 02:10:19 all 0.26 0.00 0.08 0.05 0.03 99.58 02:10:19 0 0.45 0.00 0.05 0.06 0.02 99.42 02:10:19 1 0.06 0.00 0.11 0.04 0.04 99.75 02:20:01 all 0.25 0.00 0.06 0.01 0.03 99.65 02:20:01 0 0.45 0.00 0.04 0.02 0.02 99.47 02:20:01 1 0.06 0.00 0.08 0.00 0.04 99.82 02:30:01 all 0.24 0.00 0.15 0.02 0.03 99.57 02:30:01 0 0.20 0.00 0.15 0.00 0.03 99.62 02:30:01 1 0.27 0.00 0.15 0.03 0.03 99.52 02:40:19 all 0.33 0.00 0.10 0.02 0.03 99.52 02:40:19 0 0.22 0.00 0.08 0.01 0.03 99.66 02:40:19 1 0.45 0.00 0.11 0.03 0.03 99.38 02:50:01 all 0.28 0.00 0.06 0.02 0.03 99.60 02:50:01 0 0.10 0.00 0.07 0.04 0.03 99.76 02:50:01 1 0.47 0.00 0.06 0.00 0.03 99.44 Average: all 0.28 0.00 0.10 0.02 0.03 99.57 Average: 0 0.32 0.00 0.09 0.02 0.03 99.54 Average: 1 0.23 0.00 0.12 0.02 0.03 99.60