---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12142 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: 5599.94 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 780 5271 4 2179 7161 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:df:d2:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81998sec preferred_lft 81998sec inet6 fe80::f816:3eff:fedf:d28a/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-12142) 05/09/26 _x86_64_ (2 CPU) 01:57:23 LINUX RESTART (2 CPU) 02:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:24 1.25 0.03 1.22 0.00 1.25 15.29 0.12 02:20:01 1.24 0.01 1.22 0.01 0.07 15.21 1.00 02:30:30 1.39 0.00 1.36 0.03 0.00 16.87 417.33 02:40:28 1.91 0.25 1.63 0.03 31.04 74.86 1.27 02:50:01 1.32 0.00 1.30 0.02 0.00 16.07 1.26 03:00:00 1.92 0.40 1.50 0.03 15.84 50.22 437.10 03:10:06 24.18 2.67 18.35 3.16 216.09 3237.74 5200.16 Average: 4.80 0.49 3.84 0.47 38.26 496.72 880.49 02:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:24 6292748 7539304 281028 3.46 30556 1421896 528496 5.76 442944 1183144 184 02:20:01 6292524 7539632 280732 3.45 30776 1422224 528496 5.76 443000 1183692 280 02:30:30 6292384 7540064 280236 3.45 30980 1422584 528724 5.76 443124 1184244 208 02:40:28 6249756 7524124 295696 3.64 31356 1448532 725372 7.90 457844 1201812 164 02:50:01 6254004 7528872 290944 3.58 31548 1448832 725436 7.90 457972 1202308 300 03:00:00 6190436 7480604 338720 4.17 31928 1463644 770668 8.39 513704 1215848 212 03:10:06 5480912 7410872 369928 4.55 86840 2015876 818104 8.91 602188 1777344 24264 Average: 6150395 7509067 305326 3.75 39141 1520513 660757 7.20 480111 1278342 3659 02:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 0.68 0.04 0.07 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 0.77 0.05 8.42 0.01 0.00 0.00 0.00 0.00 02:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:30 ens3 0.27 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:40:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:28 ens3 0.65 0.25 3.36 0.07 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 0.34 0.09 0.11 0.06 0.00 0.00 0.00 0.00 03:00:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 11.54 6.04 20.19 2.84 0.00 0.00 0.00 0.00 03:10:06 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 03:10:06 ens3 124.16 102.81 1273.03 15.19 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 20.05 15.85 189.28 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12142) 05/09/26 _x86_64_ (2 CPU) 01:57:23 LINUX RESTART (2 CPU) 02:00:28 CPU %user %nice %system %iowait %steal %idle 02:10:24 all 0.27 0.00 0.09 0.01 0.03 99.60 02:10:24 0 0.37 0.00 0.07 0.01 0.03 99.53 02:10:24 1 0.16 0.00 0.12 0.01 0.03 99.68 02:20:01 all 0.26 0.00 0.09 0.01 0.03 99.61 02:20:01 0 0.26 0.00 0.07 0.01 0.03 99.63 02:20:01 1 0.26 0.00 0.11 0.00 0.03 99.60 02:30:30 all 0.26 0.00 0.16 0.01 0.03 99.54 02:30:30 0 0.29 0.00 0.16 0.01 0.03 99.51 02:30:30 1 0.23 0.00 0.15 0.01 0.03 99.58 02:40:28 all 0.44 0.00 0.10 0.08 0.03 99.36 02:40:28 0 0.38 0.00 0.15 0.11 0.03 99.33 02:40:28 1 0.50 0.00 0.05 0.04 0.02 99.39 02:50:01 all 0.27 0.00 0.08 0.01 0.03 99.61 02:50:01 0 0.19 0.00 0.10 0.01 0.03 99.67 02:50:01 1 0.36 0.00 0.06 0.01 0.02 99.55 03:00:00 all 0.51 0.00 0.19 0.02 0.03 99.25 03:00:00 0 0.58 0.00 0.18 0.00 0.03 99.21 03:00:00 1 0.44 0.00 0.21 0.04 0.03 99.29 03:10:06 all 13.66 0.00 2.29 0.78 0.06 83.21 03:10:06 0 12.72 0.00 2.39 0.91 0.06 83.92 03:10:06 1 14.60 0.00 2.20 0.65 0.05 82.50 Average: all 2.26 0.00 0.43 0.13 0.03 97.14 Average: 0 2.14 0.00 0.45 0.15 0.03 97.23 Average: 1 2.39 0.00 0.42 0.11 0.03 97.05