---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-15668 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 8.0G 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 797 5148 4 2285 7144 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:85:35:ce brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.53/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80881sec preferred_lft 80881sec inet6 fe80::f816:3eff:fe85:35ce/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-15668) 05/16/26 _x86_64_ (2 CPU) 01:47:42 LINUX RESTART (2 CPU) 01:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.68 0.03 1.64 0.01 1.28 19.40 451.30 02:10:21 1.48 0.03 1.44 0.00 2.13 17.10 0.15 02:20:21 1.32 0.00 1.32 0.00 0.01 15.37 0.12 02:30:01 2.01 0.27 1.72 0.02 33.13 78.48 450.80 02:40:21 1.25 0.00 1.25 0.00 0.00 14.99 0.00 02:50:06 1.67 0.41 1.27 0.00 16.18 47.41 0.00 03:00:01 23.54 2.63 18.62 2.29 212.47 3259.61 889.48 03:10:21 1.45 0.00 1.38 0.06 0.34 66.07 2.54 Average: 4.27 0.42 3.56 0.30 32.79 436.31 219.61 01:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6283636 7534756 285408 3.51 30600 1426336 527228 5.74 443960 1187216 124 02:10:21 6271588 7523900 296156 3.64 30812 1427312 527224 5.74 444596 1187836 192 02:20:21 6276744 7529548 290500 3.57 30972 1427632 527224 5.74 444648 1188324 152 02:30:01 6240756 7520644 298880 3.68 31344 1453932 527224 5.74 453844 1205920 276 02:40:21 6240012 7520512 299004 3.68 31496 1454392 527428 5.74 454532 1206396 152 02:50:06 6223024 7518572 300612 3.70 31800 1469060 546424 5.95 487080 1219852 188 03:00:01 5276760 7404432 366648 4.51 85040 2206684 632944 6.89 596012 1967124 172 03:10:21 5261148 7404132 366972 4.51 85276 2221792 644308 7.02 599088 1982336 352 Average: 6009208 7494562 313022 3.85 44668 1635892 557500 6.07 490470 1393126 201 01:50:21 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 1.22 0.06 0.12 0.03 0.00 0.00 0.00 0.00 02:10:21 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:21 ens3 0.42 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:20:21 lo 0.98 0.98 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.59 0.03 5.71 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 0.61 0.27 3.42 0.06 0.00 0.00 0.00 0.00 02:40:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:21 ens3 0.39 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 7.99 4.77 20.55 3.17 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 59.77 43.02 286.60 8.99 0.00 0.00 0.00 0.00 03:10:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:21 ens3 48.55 42.99 9.80 5.49 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 15.05 11.53 40.46 2.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-15668) 05/16/26 _x86_64_ (2 CPU) 01:47:42 LINUX RESTART (2 CPU) 01:50:21 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.28 0.00 0.17 0.01 0.02 99.52 02:00:01 0 0.26 0.00 0.15 0.01 0.02 99.56 02:00:01 1 0.31 0.00 0.18 0.02 0.02 99.47 02:10:21 all 0.28 0.00 0.08 0.01 0.02 99.60 02:10:21 0 0.19 0.00 0.08 0.02 0.02 99.69 02:10:21 1 0.38 0.00 0.08 0.00 0.02 99.51 02:20:21 all 0.26 0.00 0.06 2.02 0.02 97.64 02:20:21 0 0.41 0.00 0.04 0.02 0.01 99.51 02:20:21 1 0.10 0.00 0.09 4.04 0.03 95.75 02:30:01 all 0.41 0.00 0.20 0.03 0.02 99.34 02:30:01 0 0.49 0.00 0.21 0.05 0.01 99.25 02:30:01 1 0.34 0.00 0.18 0.02 0.02 99.44 02:40:21 all 0.27 0.00 0.07 0.01 0.02 99.63 02:40:21 0 0.17 0.00 0.08 0.00 0.02 99.73 02:40:21 1 0.37 0.00 0.07 0.03 0.02 99.52 02:50:06 all 0.56 0.00 0.10 0.02 0.02 99.31 02:50:06 0 0.55 0.00 0.09 0.02 0.02 99.32 02:50:06 1 0.57 0.00 0.10 0.02 0.02 99.29 03:00:01 all 13.05 0.00 1.94 3.68 0.06 81.27 03:00:01 0 8.89 0.00 1.64 0.80 0.05 88.62 03:00:01 1 17.20 0.00 2.24 6.55 0.07 73.95 03:10:21 all 6.24 0.00 0.56 0.03 0.06 93.11 03:10:21 0 5.98 0.00 0.56 0.03 0.05 93.37 03:10:21 1 6.49 0.00 0.55 0.04 0.06 92.85 Average: all 2.66 0.00 0.40 0.72 0.03 96.19 Average: 0 2.11 0.00 0.36 0.11 0.03 97.39 Average: 1 3.21 0.00 0.43 1.33 0.03 94.99