---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22999 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 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 748 5042 4 2451 7193 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:11:f0:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.237/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82139sec preferred_lft 82139sec inet6 fe80::f816:3eff:fe11:f02c/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-22999) 06/03/26 _x86_64_ (2 CPU) 04:48:44 LINUX RESTART (2 CPU) 04:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:08 1.58 0.03 1.53 0.02 1.24 19.84 872.00 05:10:01 1.22 0.01 1.20 0.01 0.05 14.76 0.62 05:20:08 1.79 0.25 1.51 0.03 30.65 73.43 1.36 05:30:08 1.42 0.01 1.39 0.02 1.05 17.63 871.15 05:40:01 1.09 0.00 1.09 0.00 0.00 13.67 0.00 05:50:06 14.10 0.40 1.26 12.45 15.83 46.72 108179.34 Average: 3.55 0.12 1.33 2.11 8.22 31.17 18488.92 04:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:08 6280428 7532056 288448 3.55 30608 1426624 532728 5.80 450804 1187376 208 05:10:01 6280448 7532612 287888 3.54 30812 1426952 532896 5.80 450836 1187908 160 05:20:08 6240968 7519884 300156 3.69 31220 1452944 727908 7.93 465172 1205540 236 05:30:08 6247608 7527368 292680 3.60 31396 1453580 533048 5.81 460212 1206044 168 05:40:01 6247608 7527948 292096 3.59 31556 1454024 533112 5.81 460332 1206492 304 05:50:06 6226536 7522188 297564 3.66 31868 1468776 549368 5.98 484916 1220040 368 Average: 6253933 7527009 293139 3.60 31243 1447150 568177 6.19 462045 1202233 241 04:50:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:08 ens3 2.17 0.16 0.34 0.11 0.00 0.00 0.00 0.00 05:10:01 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 05:10:01 ens3 0.49 0.04 0.06 0.01 0.00 0.00 0.00 0.00 05:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:20:08 ens3 1.06 0.23 8.57 0.05 0.00 0.00 0.00 0.00 05:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:08 ens3 0.52 0.08 0.50 0.04 0.00 0.00 0.00 0.00 05:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 05:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:06 ens3 10.33 6.11 19.97 3.20 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 2.49 1.12 4.96 0.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22999) 06/03/26 _x86_64_ (2 CPU) 04:48:44 LINUX RESTART (2 CPU) 04:50:08 CPU %user %nice %system %iowait %steal %idle 05:00:08 all 0.35 0.00 0.20 0.22 0.16 99.07 05:00:08 0 0.49 0.00 0.21 0.39 0.26 98.65 05:00:08 1 0.20 0.00 0.20 0.05 0.06 99.49 05:10:01 all 0.25 0.00 0.11 0.04 0.04 99.57 05:10:01 0 0.34 0.00 0.09 0.08 0.03 99.46 05:10:01 1 0.15 0.00 0.12 0.00 0.05 99.69 05:20:08 all 0.36 0.00 0.11 0.07 0.02 99.44 05:20:08 0 0.35 0.00 0.13 0.14 0.02 99.36 05:20:08 1 0.37 0.00 0.09 0.00 0.02 99.51 05:30:08 all 0.28 0.00 0.17 0.01 0.02 99.51 05:30:08 0 0.35 0.00 0.18 0.02 0.02 99.43 05:30:08 1 0.22 0.00 0.16 0.00 0.02 99.59 05:40:01 all 0.26 0.00 0.08 0.05 0.03 99.59 05:40:01 0 0.32 0.00 0.06 0.02 0.02 99.57 05:40:01 1 0.20 0.00 0.09 0.09 0.03 99.60 05:50:06 all 0.52 0.00 0.11 0.43 0.02 98.91 05:50:06 0 0.73 0.00 0.06 0.81 0.02 98.37 05:50:06 1 0.31 0.00 0.16 0.05 0.03 99.45 Average: all 0.34 0.00 0.13 0.14 0.05 99.35 Average: 0 0.43 0.00 0.12 0.24 0.06 99.14 Average: 1 0.24 0.00 0.14 0.03 0.03 99.56