---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27710 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 757 5209 4 2266 7184 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:3e:f4:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81238sec preferred_lft 81238sec inet6 fe80::f816:3eff:fe3e:f427/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27710) 06/16/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.41 0.03 1.37 0.01 1.25 16.86 438.04 02:10:46 12.92 0.01 1.25 11.67 0.19 14.97 101631.64 02:20:06 1.14 0.00 1.13 0.00 0.01 13.53 0.13 02:30:01 1.89 0.26 1.61 0.02 32.31 76.02 439.77 02:40:36 1.22 0.00 1.22 0.00 0.00 14.51 0.00 02:50:36 2.75 1.33 1.40 0.01 96.32 110.47 0.25 03:00:01 25.67 1.79 21.45 2.44 139.43 3594.12 875.43 03:10:06 1.35 0.00 1.33 0.02 0.00 21.20 1.26 Average: 5.97 0.41 3.70 1.86 32.62 456.28 13854.09 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6304400 7550420 270180 3.32 30520 1421224 524488 5.71 440988 1183104 280 02:10:46 6304148 7550768 269792 3.32 30708 1421600 522880 5.70 439852 1183668 124 02:20:06 6303476 7550592 269996 3.32 30868 1421928 523048 5.70 439900 1184156 208 02:30:01 6270292 7544560 275460 3.39 31248 1448316 523056 5.70 449244 1201848 240 02:40:36 6269580 7544508 275532 3.39 31424 1448804 523112 5.70 449488 1202376 156 02:50:36 6031952 7404868 409164 5.03 39248 1533816 589592 6.42 549656 1282716 40388 03:00:01 5185320 7381008 386248 4.75 86712 2269224 632088 6.88 600860 2032532 288 03:10:06 5157576 7355348 411932 5.07 86876 2271144 647532 7.05 608212 2034616 248 Average: 5978343 7485259 321038 3.95 45950 1654507 560724 6.11 497275 1413127 5242 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.49 0.10 0.17 0.04 0.00 0.00 0.00 0.00 02:10:46 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:46 ens3 0.33 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.67 0.03 5.84 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.47 0.27 3.18 0.03 0.00 0.00 0.00 0.00 02:40:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:36 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:36 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:36 ens3 22.09 10.65 51.06 4.48 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 54.68 40.91 293.68 8.12 0.00 0.00 0.00 0.00 03:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:06 ens3 12.44 9.54 71.47 0.91 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 11.16 7.41 51.04 1.65 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27710) 06/16/26 _x86_64_ (2 CPU) 01:47:59 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.17 0.01 0.02 99.49 02:00:01 0 0.51 0.00 0.16 0.02 0.02 99.31 02:00:01 1 0.10 0.00 0.19 0.01 0.02 99.68 02:10:46 all 0.27 0.00 0.09 0.02 0.02 99.60 02:10:46 0 0.47 0.00 0.05 0.01 0.01 99.45 02:10:46 1 0.07 0.00 0.13 0.04 0.02 99.75 02:20:06 all 0.25 0.00 0.08 0.01 0.02 99.65 02:20:06 0 0.33 0.00 0.08 0.00 0.02 99.57 02:20:06 1 0.16 0.00 0.08 0.01 0.02 99.73 02:30:01 all 0.36 0.00 0.19 0.02 0.02 99.41 02:30:01 0 0.33 0.00 0.22 0.04 0.02 99.40 02:30:01 1 0.40 0.00 0.17 0.00 0.02 99.41 02:40:36 all 0.24 0.00 0.08 0.01 0.01 99.66 02:40:36 0 0.42 0.00 0.06 0.01 0.01 99.49 02:40:36 1 0.06 0.00 0.10 0.00 0.02 99.82 02:50:36 all 1.18 0.00 0.24 0.04 0.02 98.53 02:50:36 0 0.94 0.00 0.19 0.02 0.02 98.82 02:50:36 1 1.41 0.00 0.28 0.05 0.02 98.24 03:00:01 all 12.45 0.00 1.93 1.35 0.06 84.22 03:00:01 0 13.77 0.00 1.95 1.71 0.06 82.51 03:00:01 1 11.12 0.00 1.90 0.99 0.06 85.93 03:10:06 all 0.92 0.00 0.20 0.01 0.03 98.84 03:10:06 0 0.78 0.00 0.21 0.01 0.04 98.96 03:10:06 1 1.05 0.00 0.18 0.00 0.03 98.73 Average: all 1.90 0.00 0.36 0.17 0.02 97.54 Average: 0 2.09 0.00 0.35 0.22 0.02 97.32 Average: 1 1.71 0.00 0.37 0.13 0.03 97.77