---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25244 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 774 5191 4 2268 7167 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:b7:72:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81934sec preferred_lft 81934sec inet6 fe80::f816:3eff:feb7:7213/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25244) 06/06/26 _x86_64_ (2 CPU) 00:42:46 LINUX RESTART (2 CPU) 00:50:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 15.12 0.28 1.87 12.98 33.28 79.95 113133.60 01:10:16 1.45 0.00 1.44 0.01 0.00 17.72 212.46 01:20:20 1.46 0.00 1.46 0.00 0.01 17.03 0.00 01:30:06 1.49 0.00 1.48 0.01 0.00 17.67 445.87 01:40:20 1.38 0.00 1.38 0.00 0.00 16.33 0.00 01:50:13 1.85 0.40 1.45 0.00 15.97 48.69 0.00 Average: 3.72 0.11 1.51 2.10 8.02 32.54 18403.36 00:50:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6247644 7525736 293780 3.61 30936 1452640 532844 5.80 455736 1204848 128 01:10:16 6250024 7528680 290868 3.58 31144 1452968 528424 5.76 455832 1205388 204 01:20:20 6257388 7536556 282984 3.48 31324 1453300 528488 5.76 456280 1205896 156 01:30:06 6258232 7537900 281640 3.46 31484 1453624 528708 5.76 456552 1206384 220 01:40:20 6263056 7543360 276200 3.40 31652 1454084 528708 5.76 457076 1206884 120 01:50:13 6223820 7519096 300144 3.69 31956 1468704 545152 5.94 483296 1220296 136 Average: 6250027 7531888 287603 3.54 31416 1455887 532054 5.80 460795 1208283 161 00:50:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.87 0.22 3.28 0.05 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 0.68 0.05 3.12 0.03 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.77 0.16 0.39 0.13 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.38 0.17 0.08 0.65 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 0.45 0.11 0.14 0.08 0.00 0.00 0.00 0.00 01:50:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 11.48 5.10 20.32 2.78 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 2.42 0.96 4.52 0.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25244) 06/06/26 _x86_64_ (2 CPU) 00:42:46 LINUX RESTART (2 CPU) 00:50:20 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.44 0.00 0.21 0.06 0.02 99.27 01:00:01 0 0.32 0.00 0.19 0.07 0.02 99.40 01:00:01 1 0.56 0.00 0.23 0.04 0.02 99.14 01:10:16 all 0.27 0.00 0.09 0.01 0.02 99.61 01:10:16 0 0.35 0.00 0.09 0.02 0.02 99.52 01:10:16 1 0.18 0.00 0.09 0.01 0.02 99.70 01:20:20 all 0.29 0.00 0.07 0.01 0.02 99.60 01:20:20 0 0.27 0.00 0.08 0.00 0.02 99.63 01:20:20 1 0.32 0.00 0.07 0.02 0.02 99.57 01:30:06 all 0.22 0.00 0.16 0.01 0.02 99.59 01:30:06 0 0.14 0.00 0.17 0.01 0.02 99.66 01:30:06 1 0.30 0.00 0.14 0.01 0.02 99.52 01:40:20 all 0.21 0.00 0.06 0.01 0.02 99.70 01:40:20 0 0.35 0.00 0.05 0.00 0.01 99.59 01:40:20 1 0.06 0.00 0.08 0.02 0.03 99.81 01:50:13 all 0.50 0.00 0.09 0.01 0.02 99.38 01:50:13 0 0.27 0.00 0.11 0.01 0.02 99.58 01:50:13 1 0.73 0.00 0.07 0.02 0.02 99.17 Average: all 0.32 0.00 0.11 0.02 0.02 99.53 Average: 0 0.28 0.00 0.11 0.02 0.02 99.57 Average: 1 0.35 0.00 0.11 0.02 0.02 99.49