---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-64986 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 769 5275 4 2184 7172 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:62:56:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81275sec preferred_lft 81275sec inet6 fe80::f816:3eff:fe62:56d3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64986) 04/01/26 _x86_64_ (2 CPU) 01:53:17 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 13.95 0.01 1.39 12.55 0.20 16.11 109324.66 02:20:03 1.34 0.00 1.32 0.02 0.01 15.34 1.21 02:30:02 2.10 0.32 1.74 0.04 39.02 74.54 655.04 02:40:01 1.34 0.01 1.32 0.02 1.06 15.69 1.38 02:50:02 1.33 0.00 1.32 0.02 0.00 15.34 1.20 03:00:02 22.74 3.02 17.48 2.24 227.47 3127.55 871.97 03:10:01 1.46 0.01 1.45 0.00 0.57 33.91 0.03 Average: 6.32 0.48 3.72 2.13 38.37 471.78 15817.19 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6283440 7535480 284948 3.50 30740 1426916 519300 5.66 446816 1187396 240 02:20:03 6288240 7540824 279636 3.44 30952 1427244 519472 5.66 446916 1187936 204 02:30:02 6254136 7535448 284188 3.49 31340 1455184 725532 7.90 464080 1205200 176 02:40:01 6253408 7535556 284188 3.49 31540 1455824 519640 5.66 458660 1205716 152 02:50:02 6258700 7541536 278216 3.42 31752 1456284 519888 5.66 456100 1206268 280 03:00:02 5347392 7460396 311204 3.83 85072 2191980 552312 6.02 556204 1949728 2420 03:10:01 5236384 7351784 419916 5.16 85208 2194332 646088 7.04 615852 1952220 292 Average: 5988814 7500146 306042 3.76 46658 1658252 571747 6.23 492090 1413495 538 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.45 0.04 0.07 0.01 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.25 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.44 0.20 3.05 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.29 0.06 0.10 0.05 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.14 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:00:02 ens3 58.12 42.11 296.98 11.18 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 12.36 9.12 37.44 1.34 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 10.30 7.38 48.29 1.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-64986) 04/01/26 _x86_64_ (2 CPU) 01:53:17 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.11 0.03 0.02 99.56 02:10:01 0 0.49 0.00 0.08 0.02 0.02 99.40 02:10:01 1 0.08 0.00 0.14 0.04 0.03 99.71 02:20:03 all 0.25 0.00 0.08 0.13 0.02 99.52 02:20:03 0 0.13 0.00 0.08 0.22 0.02 99.55 02:20:03 1 0.37 0.00 0.07 0.05 0.02 99.49 02:30:02 all 0.40 0.00 0.21 0.02 0.02 99.35 02:30:02 0 0.50 0.00 0.19 0.04 0.02 99.26 02:30:02 1 0.31 0.00 0.22 0.01 0.03 99.44 02:40:01 all 0.29 0.00 0.08 0.02 0.02 99.58 02:40:01 0 0.52 0.00 0.07 0.04 0.02 99.36 02:40:01 1 0.07 0.00 0.09 0.01 0.03 99.81 02:50:02 all 0.29 0.00 0.08 0.03 0.02 99.59 02:50:02 0 0.45 0.00 0.07 0.05 0.02 99.41 02:50:02 1 0.13 0.00 0.08 0.00 0.02 99.76 03:00:02 all 10.81 0.00 1.77 0.86 0.05 86.51 03:00:02 0 12.05 0.00 1.93 0.57 0.05 85.40 03:00:02 1 9.56 0.00 1.60 1.16 0.05 87.63 03:10:01 all 1.02 0.00 0.21 0.01 0.05 98.71 03:10:01 0 1.09 0.00 0.20 0.01 0.06 98.65 03:10:01 1 0.95 0.00 0.22 0.01 0.05 98.77 Average: all 1.91 0.00 0.36 0.16 0.03 97.54 Average: 0 2.18 0.00 0.37 0.13 0.03 97.29 Average: 1 1.64 0.00 0.35 0.18 0.03 97.80