---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33268 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 5035 4 2451 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:60:0a:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81684sec preferred_lft 81684sec inet6 fe80::f816:3eff:fe60:aa0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33268) 07/06/26 _x86_64_ (2 CPU) 01:48:36 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:26 1.61 0.02 1.58 0.01 1.19 19.49 419.10 02:10:14 1.39 0.01 1.38 0.00 0.05 16.41 0.12 02:20:01 1.29 0.00 1.29 0.00 0.01 15.17 0.00 02:30:24 1.49 0.00 1.48 0.01 0.00 18.02 419.95 02:40:04 1.76 0.26 1.48 0.01 32.05 76.91 0.18 02:50:01 1.23 0.01 1.23 0.00 1.06 15.16 0.05 03:00:23 23.31 2.89 18.19 2.23 219.32 3502.73 545.92 Average: 4.69 0.47 3.88 0.33 37.09 539.32 204.52 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:26 6297936 7544880 275376 3.39 30568 1422064 528324 5.75 450740 1183204 124 02:10:14 6305020 7552472 267832 3.29 30740 1422396 528500 5.76 450872 1183708 124 02:20:01 6303816 7551756 268540 3.30 30904 1422716 528600 5.76 450832 1184192 160 02:30:24 6291052 7539508 280732 3.45 31076 1423048 528600 5.76 451036 1184696 124 02:40:04 6250768 7526348 293456 3.61 31420 1449472 727528 7.92 465664 1202700 240 02:50:01 6253780 7530272 289536 3.56 31600 1450228 528756 5.76 460900 1203156 296 03:00:23 5122768 7376068 390648 4.80 86888 2326284 686540 7.48 627768 2088972 400 Average: 6117877 7517329 295160 3.63 39028 1559458 579550 6.31 479687 1318661 210 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:26 ens3 1.69 0.08 0.33 0.03 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.38 0.03 0.04 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 0.79 0.02 6.47 0.01 0.00 0.00 0.00 0.00 02:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:24 ens3 0.25 0.06 0.07 0.01 0.00 0.00 0.00 0.00 02:40:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:04 ens3 0.53 0.23 3.33 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 0.33 0.08 0.11 0.05 0.00 0.00 0.00 0.00 03:00:23 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:00:23 ens3 76.11 55.64 352.81 14.71 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.79 8.28 53.48 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33268) 07/06/26 _x86_64_ (2 CPU) 01:48:36 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:26 all 0.30 0.00 0.16 0.01 0.02 99.51 02:00:26 0 0.19 0.00 0.15 0.01 0.02 99.62 02:00:26 1 0.40 0.00 0.17 0.01 0.02 99.40 02:10:14 all 0.28 0.00 0.07 0.01 0.02 99.62 02:10:14 0 0.15 0.00 0.08 0.02 0.02 99.73 02:10:14 1 0.41 0.00 0.06 0.00 0.02 99.51 02:20:01 all 0.28 0.00 0.07 0.01 0.02 99.62 02:20:01 0 0.44 0.00 0.06 0.01 0.01 99.48 02:20:01 1 0.13 0.00 0.09 0.00 0.02 99.76 02:30:24 all 0.27 0.00 0.15 0.01 0.02 99.55 02:30:24 0 0.10 0.00 0.15 0.00 0.02 99.72 02:30:24 1 0.45 0.00 0.15 0.01 0.02 99.37 02:40:04 all 0.37 0.00 0.11 0.02 0.02 99.49 02:40:04 0 0.28 0.00 0.13 0.03 0.02 99.54 02:40:04 1 0.45 0.00 0.09 0.02 0.01 99.43 02:50:01 all 0.25 0.00 0.08 0.01 0.02 99.64 02:50:01 0 0.43 0.00 0.07 0.01 0.01 99.48 02:50:01 1 0.07 0.00 0.10 0.01 0.02 99.80 03:00:23 all 16.76 0.00 1.85 0.49 0.06 80.85 03:00:23 0 17.24 0.00 1.73 0.39 0.06 80.59 03:00:23 1 16.28 0.00 1.97 0.59 0.05 81.11 Average: all 2.72 0.00 0.37 0.08 0.02 96.81 Average: 0 2.76 0.00 0.35 0.07 0.02 96.80 Average: 1 2.67 0.00 0.38 0.09 0.02 96.83