---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-19507 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 747 5218 4 2267 7194 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:4e:1d:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82208sec preferred_lft 82208sec inet6 fe80::f816:3eff:fe4e:1d4a/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-19507) 05/24/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:16 2.14 0.27 1.85 0.02 31.43 76.58 425.65 02:10:16 1.47 0.01 1.45 0.01 1.11 16.93 0.89 02:20:16 1.40 0.00 1.38 0.02 0.01 16.10 1.20 02:30:16 1.65 0.00 1.62 0.03 0.00 19.75 436.51 02:40:15 1.48 0.00 1.45 0.02 0.00 16.69 219.40 02:50:04 1.83 0.41 1.41 0.02 16.13 48.31 1.10 Average: 1.66 0.11 1.53 0.02 8.19 32.53 182.40 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:16 6254684 7532180 287764 3.54 30804 1451948 723488 7.88 459740 1204436 224 02:10:16 6260088 7538440 281584 3.46 31008 1452588 527748 5.75 454484 1204968 132 02:20:16 6267148 7546052 273964 3.37 31228 1452912 527884 5.75 454684 1205512 132 02:30:16 6254688 7534184 285532 3.51 31472 1453248 582960 6.35 459912 1206088 156 02:40:15 6260436 7540488 279372 3.44 31692 1453576 527884 5.75 454832 1206636 152 02:50:04 6226912 7522176 297368 3.66 32024 1468368 548888 5.98 482960 1220116 276 Average: 6253993 7535587 284264 3.50 31371 1455440 573142 6.24 461102 1207959 179 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:16 ens3 1.82 0.23 3.24 0.05 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 0.68 0.03 0.95 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.42 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 0.35 0.03 0.08 0.01 0.00 0.00 0.00 0.00 02:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.42 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 12.46 5.72 20.66 3.16 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 2.66 1.00 4.13 0.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-19507) 05/24/26 _x86_64_ (2 CPU) 01:48:28 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:16 all 0.37 0.00 0.19 0.03 0.03 99.38 02:00:16 0 0.18 0.00 0.17 0.02 0.03 99.60 02:00:16 1 0.56 0.00 0.22 0.03 0.03 99.16 02:10:16 all 0.23 0.00 0.08 0.01 0.03 99.65 02:10:16 0 0.30 0.00 0.09 0.01 0.03 99.57 02:10:16 1 0.17 0.00 0.07 0.01 0.03 99.73 02:20:16 all 0.26 0.00 0.07 0.01 0.03 99.64 02:20:16 0 0.47 0.00 0.05 0.02 0.03 99.44 02:20:16 1 0.05 0.00 0.08 0.00 0.04 99.83 02:30:16 all 0.27 0.00 0.17 0.01 0.03 99.51 02:30:16 0 0.30 0.00 0.16 0.02 0.03 99.50 02:30:16 1 0.24 0.00 0.19 0.00 0.04 99.53 02:40:15 all 0.24 0.00 0.08 0.01 0.03 99.65 02:40:15 0 0.06 0.00 0.09 0.01 0.03 99.82 02:40:15 1 0.41 0.00 0.07 0.01 0.03 99.48 02:50:04 all 0.54 0.00 0.10 0.01 0.03 99.32 02:50:04 0 0.38 0.00 0.10 0.01 0.03 99.47 02:50:04 1 0.70 0.00 0.09 0.02 0.03 99.16 Average: all 0.32 0.00 0.11 0.01 0.03 99.52 Average: 0 0.28 0.00 0.11 0.01 0.03 99.57 Average: 1 0.36 0.00 0.12 0.01 0.03 99.48