---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29282 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 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 787 5088 4 2358 7153 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:07:7c:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81242sec preferred_lft 81242sec inet6 fe80::f816:3eff:fe07:7cf4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29282) 06/22/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.42 0.01 1.40 0.02 0.05 17.12 872.27 01:10:06 1.27 0.00 1.27 0.00 0.00 14.60 0.00 01:20:02 1.90 0.26 1.62 0.01 32.28 75.77 0.35 01:30:08 1.43 0.00 1.41 0.02 0.00 17.06 646.74 01:40:08 1.70 0.40 1.30 0.00 15.83 46.93 0.00 01:50:10 23.12 2.60 18.25 2.27 211.07 3396.89 676.74 02:00:10 1.58 0.00 1.54 0.03 0.00 69.88 1.70 Average: 4.64 0.47 3.83 0.34 37.06 520.71 314.90 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6273632 7525024 295288 3.63 30756 1426456 522868 5.70 446768 1187708 172 01:10:06 6288808 7540696 279612 3.44 30924 1426772 523064 5.70 446920 1188200 176 01:20:02 6248732 7527872 292056 3.59 31276 1453320 523208 5.70 456692 1206024 184 01:30:08 6253456 7533152 286744 3.53 31476 1453648 523272 5.70 456460 1206552 184 01:40:08 6220100 7514980 304564 3.75 31788 1468444 540448 5.89 490172 1220004 212 01:50:10 5162216 7369656 397460 4.89 86780 2280996 669208 7.29 629072 2043516 264 02:00:10 5143104 7365740 401244 4.93 86952 2296040 671916 7.32 632144 2058704 340 Average: 5941435 7482446 322424 3.96 47136 1686525 567712 6.18 508318 1444387 219 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.58 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 0.50 0.04 1.35 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.71 0.26 3.43 0.07 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 10.49 5.48 20.06 3.21 0.00 0.00 0.00 0.00 01:50:10 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:10 ens3 78.15 56.40 298.47 10.35 0.00 0.00 0.00 0.00 02:00:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 45.23 42.23 10.01 5.71 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 19.44 14.95 47.72 2.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29282) 06/22/26 _x86_64_ (2 CPU) 00:41:21 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.28 0.00 0.17 0.01 0.02 99.52 01:00:07 0 0.27 0.00 0.16 0.01 0.02 99.55 01:00:07 1 0.29 0.00 0.18 0.02 0.02 99.50 01:10:06 all 0.24 0.00 0.07 0.01 0.02 99.66 01:10:06 0 0.05 0.00 0.07 0.01 0.02 99.84 01:10:06 1 0.43 0.00 0.06 0.01 0.02 99.49 01:20:02 all 0.38 0.00 0.11 0.02 0.02 99.47 01:20:02 0 0.25 0.00 0.12 0.04 0.02 99.57 01:20:02 1 0.50 0.00 0.09 0.01 0.02 99.38 01:30:08 all 0.26 0.00 0.17 0.01 0.02 99.54 01:30:08 0 0.45 0.00 0.16 0.02 0.02 99.36 01:30:08 1 0.07 0.00 0.18 0.00 0.02 99.72 01:40:08 all 0.48 0.00 0.10 0.02 0.02 99.39 01:40:08 0 0.44 0.00 0.09 0.02 0.02 99.43 01:40:08 1 0.52 0.00 0.10 0.02 0.01 99.35 01:50:10 all 14.75 0.00 1.90 1.07 0.06 82.23 01:50:10 0 12.32 0.00 1.86 0.63 0.06 85.13 01:50:10 1 17.17 0.00 1.93 1.51 0.06 79.32 02:00:10 all 6.19 0.00 0.66 0.06 0.05 93.04 02:00:10 0 7.10 0.00 0.73 0.05 0.06 92.06 02:00:10 1 5.28 0.00 0.60 0.06 0.05 94.01 Average: all 3.21 0.00 0.45 0.17 0.03 96.13 Average: 0 2.97 0.00 0.45 0.11 0.03 96.43 Average: 1 3.46 0.00 0.45 0.23 0.03 95.84