---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33243 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 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 759 5202 4 2271 7182 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:6a:b8:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81520sec preferred_lft 81520sec inet6 fe80::f816:3eff:fe6a:b88b/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-33243) 07/06/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:26 1.56 0.01 1.52 0.03 1.09 18.59 1.40 01:10:09 1.26 0.00 1.25 0.02 0.00 14.65 1.13 01:20:09 1.29 0.00 1.28 0.02 0.01 15.04 1.20 01:30:28 1.31 0.00 1.29 0.03 0.00 16.14 1.42 01:40:28 14.35 0.39 1.40 12.56 14.84 48.84 109131.91 01:50:29 22.91 2.62 18.00 2.29 212.21 3429.32 610.72 02:00:09 1.48 0.00 1.46 0.02 0.00 24.08 0.44 Average: 6.32 0.43 3.75 2.14 32.70 511.01 15715.31 00:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:26 6289808 7563792 256568 3.15 30880 1448444 521256 5.68 446220 1200956 128 01:10:09 6295752 7570252 250100 3.08 31064 1448772 521288 5.68 446236 1201468 172 01:20:09 6292384 7567440 252860 3.11 31276 1449100 521484 5.68 447392 1202008 168 01:30:28 6287112 7562696 257564 3.17 31488 1449424 521484 5.68 447268 1202536 176 01:40:28 6246880 7537364 282540 3.47 31804 1463828 588464 6.41 475564 1215828 144 01:50:29 5173940 7374828 392616 4.83 87016 2274024 651600 7.10 617648 2037096 172 02:00:09 5136752 7339672 427600 5.26 87144 2275924 677316 7.38 634316 2039120 292 Average: 5960375 7502292 302835 3.72 47239 1687074 571842 6.23 502092 1442716 179 00:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 0.68 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:09 ens3 0.39 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.58 0.06 1.17 0.06 0.00 0.00 0.00 0.00 01:30:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:28 ens3 0.30 0.03 0.06 0.03 0.00 0.00 0.00 0.00 01:40:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:28 ens3 9.24 4.25 19.68 2.31 0.00 0.00 0.00 0.00 01:50:29 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:29 ens3 61.51 44.42 309.49 9.81 0.00 0.00 0.00 0.00 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 12.40 10.62 110.94 1.02 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 12.13 8.47 62.73 1.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33243) 07/06/26 _x86_64_ (2 CPU) 00:42:38 LINUX RESTART (2 CPU) 00:50:19 CPU %user %nice %system %iowait %steal %idle 01:00:26 all 0.25 0.00 0.16 0.01 0.03 99.55 01:00:26 0 0.15 0.00 0.17 0.01 0.03 99.64 01:00:26 1 0.34 0.00 0.15 0.02 0.02 99.47 01:10:09 all 0.24 0.00 0.07 0.01 0.02 99.66 01:10:09 0 0.11 0.00 0.09 0.01 0.02 99.77 01:10:09 1 0.36 0.00 0.06 0.01 0.02 99.54 01:20:09 all 0.26 0.00 0.07 0.02 0.03 99.63 01:20:09 0 0.07 0.00 0.09 0.00 0.03 99.81 01:20:09 1 0.44 0.00 0.06 0.03 0.02 99.45 01:30:28 all 0.26 0.00 0.15 0.01 0.03 99.56 01:30:28 0 0.06 0.00 0.16 0.01 0.03 99.74 01:30:28 1 0.45 0.00 0.13 0.02 0.02 99.37 01:40:28 all 0.47 0.00 0.12 0.04 0.03 99.35 01:40:28 0 0.27 0.00 0.16 0.08 0.03 99.47 01:40:28 1 0.67 0.00 0.08 0.01 0.02 99.23 01:50:29 all 11.73 0.00 1.72 0.57 0.05 85.93 01:50:29 0 11.02 0.00 1.71 0.74 0.05 86.48 01:50:29 1 12.44 0.00 1.72 0.39 0.06 85.39 02:00:09 all 0.87 0.00 0.29 0.01 0.05 98.77 02:00:09 0 0.60 0.00 0.20 0.01 0.03 99.16 02:00:09 1 1.14 0.00 0.39 0.02 0.07 98.39 Average: all 2.01 0.00 0.37 0.10 0.03 97.49 Average: 0 1.75 0.00 0.37 0.12 0.03 97.72 Average: 1 2.26 0.00 0.37 0.07 0.03 97.26