---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-26957 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: 5600.00 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 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 772 5183 4 2277 7169 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:43:33:bd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.33/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82046sec preferred_lft 82046sec inet6 fe80::f816:3eff:fe43:33bd/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-26957) 06/13/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.55 0.01 1.53 0.01 0.05 18.05 436.07 01:10:18 1.22 0.00 1.22 0.00 0.00 14.84 0.00 01:20:49 1.77 0.25 1.52 0.01 30.46 71.26 0.29 01:30:01 1.41 0.00 1.39 0.01 0.00 17.16 0.29 01:40:16 1.69 0.40 1.29 0.00 15.62 46.31 0.00 01:50:01 23.75 2.67 18.72 2.35 216.83 3539.14 604.20 Average: 5.14 0.55 4.21 0.39 43.27 604.04 171.04 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6295576 7538964 281916 3.47 30168 1419284 528436 5.76 443936 1183004 124 01:10:18 6295128 7539056 281848 3.47 30336 1419652 530924 5.78 444160 1183540 164 01:20:49 6251096 7522140 298372 3.67 30688 1446068 531144 5.79 453768 1201232 124 01:30:01 6261228 7532756 287668 3.54 30852 1446364 531232 5.79 453812 1201692 124 01:40:16 6229740 7516568 303500 3.73 31156 1461272 553208 6.03 490056 1215256 212 01:50:01 5175992 7381780 385728 4.74 86292 2280012 664360 7.24 622124 2045092 248 Average: 6084793 7505211 306505 3.77 39915 1578775 556551 6.06 484643 1338303 166 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.92 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 0.65 0.05 5.26 0.03 0.00 0.00 0.00 0.00 01:20:49 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:49 ens3 0.84 0.31 3.13 0.11 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.05 0.07 0.04 0.00 0.00 0.00 0.00 01:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:16 ens3 8.53 5.03 19.63 3.28 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 102.20 71.64 317.00 15.75 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 18.53 12.59 56.37 3.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-26957) 06/13/26 _x86_64_ (2 CPU) 00:41:03 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.24 0.00 0.16 0.02 0.03 99.55 01:00:01 0 0.28 0.00 0.17 0.01 0.03 99.51 01:00:01 1 0.20 0.00 0.16 0.02 0.04 99.58 01:10:18 all 0.27 0.00 0.07 0.01 0.04 99.61 01:10:18 0 0.44 0.00 0.06 0.01 0.03 99.46 01:10:18 1 0.10 0.00 0.08 0.01 0.04 99.76 01:20:49 all 0.38 0.00 0.10 0.05 0.04 99.43 01:20:49 0 0.48 0.00 0.07 0.07 0.03 99.35 01:20:49 1 0.27 0.00 0.14 0.04 0.05 99.51 01:30:01 all 0.27 0.00 0.17 0.01 0.04 99.51 01:30:01 0 0.44 0.00 0.14 0.01 0.03 99.38 01:30:01 1 0.11 0.00 0.20 0.01 0.04 99.65 01:40:16 all 0.50 0.00 0.09 0.02 0.04 99.36 01:40:16 0 0.45 0.00 0.09 0.01 0.04 99.41 01:40:16 1 0.55 0.00 0.09 0.02 0.04 99.31 01:50:01 all 14.39 0.00 1.99 0.59 0.07 82.96 01:50:01 0 14.55 0.00 1.99 0.45 0.07 82.94 01:50:01 1 14.23 0.00 1.99 0.72 0.06 82.99 Average: all 2.62 0.00 0.42 0.11 0.04 96.81 Average: 0 2.71 0.00 0.41 0.09 0.04 96.75 Average: 1 2.52 0.00 0.43 0.13 0.05 96.87