---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1046 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 8.1G 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 749 5030 4 2463 7192 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:b1:6a:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82074sec preferred_lft 82074sec inet6 fe80::f816:3eff:feb1:6afd/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-1046) 08/01/26 _x86_64_ (2 CPU) 01:56:26 LINUX RESTART (2 CPU) 02:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:15 1.32 0.02 1.30 0.00 1.24 15.52 0.12 02:20:15 1.31 0.01 1.29 0.01 0.07 15.47 1.08 02:30:15 1.40 0.00 1.38 0.02 0.00 16.87 437.11 02:40:08 1.21 0.00 1.19 0.02 0.00 14.98 1.21 02:50:15 1.79 0.25 1.51 0.03 31.64 75.53 1.53 03:00:00 13.25 1.56 10.72 0.97 114.81 1897.53 790.54 Average: 3.34 0.30 2.86 0.17 24.29 332.47 202.62 02:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:15 6292696 7539848 280988 3.46 30536 1422296 529116 5.76 446252 1183348 128 02:20:15 6292696 7540396 280500 3.45 30744 1422628 529144 5.76 446496 1183888 124 02:30:15 6302768 7551020 269768 3.32 30952 1422948 529168 5.76 446612 1184416 128 02:40:08 6302384 7551176 269632 3.32 31156 1423280 530064 5.77 448488 1184952 124 02:50:15 6261040 7537656 282688 3.48 31548 1450340 530168 5.77 457808 1203200 128 03:00:00 5476444 7414636 365576 4.50 71704 2037472 620792 6.76 569120 1814112 165316 Average: 6154671 7522455 291525 3.58 37773 1529827 544742 5.93 469129 1292319 27658 02:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.98 0.06 0.12 0.01 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 1.46 0.07 10.34 0.03 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.52 0.09 0.12 0.04 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 6.80 4.01 4.29 3.68 0.00 0.00 0.00 0.00 02:50:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:15 ens3 1.42 0.60 3.40 0.14 0.00 0.00 0.00 0.00 03:00:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 03:00:00 ens3 40.72 27.06 285.48 10.25 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.49 5.21 49.57 2.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1046) 08/01/26 _x86_64_ (2 CPU) 01:56:26 LINUX RESTART (2 CPU) 02:00:14 CPU %user %nice %system %iowait %steal %idle 02:10:15 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:15 0 0.12 0.00 0.09 0.02 0.02 99.76 02:10:15 1 0.39 0.00 0.07 0.01 0.02 99.53 02:20:15 all 0.25 0.00 0.08 0.01 0.01 99.65 02:20:15 0 0.44 0.00 0.06 0.02 0.01 99.47 02:20:15 1 0.06 0.00 0.09 0.01 0.02 99.82 02:30:15 all 0.28 0.00 0.17 0.02 0.02 99.52 02:30:15 0 0.34 0.00 0.15 0.02 0.02 99.48 02:30:15 1 0.22 0.00 0.19 0.02 0.02 99.56 02:40:08 all 0.43 0.00 0.10 0.03 0.01 99.43 02:40:08 0 0.27 0.00 0.11 0.00 0.01 99.60 02:40:08 1 0.58 0.00 0.08 0.06 0.01 99.26 02:50:15 all 0.41 0.00 0.12 0.04 0.01 99.42 02:50:15 0 0.13 0.00 0.12 0.04 0.02 99.69 02:50:15 1 0.69 0.00 0.12 0.04 0.01 99.15 03:00:00 all 6.90 0.00 1.07 0.78 0.04 91.21 03:00:00 0 5.93 0.00 0.94 0.80 0.03 92.29 03:00:00 1 7.88 0.00 1.19 0.76 0.04 90.13 Average: all 1.39 0.00 0.26 0.14 0.02 98.18 Average: 0 1.18 0.00 0.24 0.15 0.02 98.41 Average: 1 1.61 0.00 0.29 0.14 0.02 97.95