---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31503 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 798 5114 4 2329 7143 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:f9:04:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.202/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81407sec preferred_lft 81407sec inet6 fe80::f816:3eff:fef9:416/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31503) 06/29/26 _x86_64_ (2 CPU) 02:19:26 LINUX RESTART (2 CPU) 02:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 1.88 0.04 1.81 0.03 1.55 30.18 659.73 02:40:12 1.18 0.01 1.17 0.01 0.05 14.69 0.60 02:50:12 1.13 0.00 1.11 0.02 0.00 14.35 1.20 03:00:12 1.45 0.00 1.42 0.03 0.00 17.75 437.13 03:10:02 1.84 0.26 1.56 0.03 31.50 76.35 1.41 03:20:12 15.44 13.32 2.04 0.07 149.69 46.46 10.85 03:30:12 1.59 0.00 1.57 0.02 0.00 19.40 216.78 03:40:12 41.64 3.06 22.63 15.95 228.41 4216.24 113067.38 Average: 8.29 2.11 4.16 2.02 51.58 553.64 14279.94 02:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6299036 7545216 274952 3.38 30528 1421500 529820 5.77 442072 1183056 248 02:40:12 6305868 7552572 267596 3.29 30716 1421836 529892 5.77 442208 1183580 156 02:50:12 6296632 7543868 276300 3.40 30916 1422164 533824 5.81 440956 1184108 192 03:00:12 6299768 7547544 272580 3.35 31120 1422488 534032 5.82 440996 1184636 132 03:10:02 6237496 7512384 307228 3.78 31480 1448896 732192 7.98 456280 1202568 308 03:20:12 6196480 7528824 281696 3.46 35656 1493820 534032 5.82 451712 1250756 232 03:30:12 6190948 7524108 286284 3.52 35848 1494404 534112 5.82 452264 1251276 132 03:40:12 5185192 7300080 466736 5.74 91608 2183704 711188 7.75 696404 1950540 42968 Average: 6126428 7506824 304172 3.74 39734 1538602 579886 6.32 477862 1298815 5546 02:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 2.33 0.18 0.54 0.09 0.00 0.00 0.00 0.00 02:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:12 ens3 0.68 0.09 0.10 0.04 0.00 0.00 0.00 0.00 02:50:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:12 ens3 1.13 0.08 7.45 0.04 0.00 0.00 0.00 0.00 03:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:12 ens3 0.58 0.08 0.68 0.06 0.00 0.00 0.00 0.00 03:10:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 2.39 1.64 3.39 0.13 0.00 0.00 0.00 0.00 03:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:12 ens3 0.25 0.04 0.05 0.01 0.00 0.00 0.00 0.00 03:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 0.50 0.20 0.14 0.53 0.00 0.00 0.00 0.00 03:40:12 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:40:12 ens3 84.81 59.24 416.42 13.79 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 11.56 7.68 53.52 1.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31503) 06/29/26 _x86_64_ (2 CPU) 02:19:26 LINUX RESTART (2 CPU) 02:20:05 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.36 0.00 0.29 0.10 0.02 99.24 02:30:01 0 0.46 0.00 0.26 0.19 0.02 99.07 02:30:01 1 0.25 0.00 0.32 0.01 0.02 99.40 02:40:12 all 0.28 0.00 0.08 0.02 0.02 99.59 02:40:12 0 0.07 0.00 0.09 0.01 0.03 99.79 02:40:12 1 0.50 0.00 0.08 0.02 0.02 99.39 02:50:12 all 0.29 0.00 0.08 0.02 0.02 99.60 02:50:12 0 0.36 0.00 0.08 0.02 0.02 99.53 02:50:12 1 0.22 0.00 0.08 0.01 0.02 99.68 03:00:12 all 0.28 0.00 0.15 0.13 0.03 99.41 03:00:12 0 0.35 0.00 0.16 0.02 0.02 99.46 03:00:12 1 0.20 0.00 0.15 0.25 0.03 99.36 03:10:02 all 0.41 0.00 0.11 0.04 0.03 99.43 03:10:02 0 0.52 0.00 0.13 0.06 0.03 99.26 03:10:02 1 0.29 0.00 0.08 0.01 0.03 99.59 03:20:12 all 0.24 0.22 0.17 1.93 0.04 97.41 03:20:12 0 0.42 0.06 0.11 0.66 0.03 98.72 03:20:12 1 0.06 0.37 0.23 3.19 0.05 96.09 03:30:12 all 0.26 0.00 0.17 0.02 0.03 99.52 03:30:12 0 0.45 0.00 0.15 0.02 0.02 99.36 03:30:12 1 0.08 0.00 0.18 0.02 0.03 99.69 03:40:12 all 13.70 0.00 2.00 3.04 0.06 81.20 03:40:12 0 13.62 0.00 1.95 2.56 0.06 81.82 03:40:12 1 13.78 0.00 2.05 3.53 0.06 80.58 Average: all 1.97 0.03 0.38 0.66 0.03 96.93 Average: 0 2.03 0.01 0.36 0.44 0.03 97.13 Average: 1 1.92 0.05 0.39 0.89 0.03 96.72