---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-21900 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: 5599.94 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 5203 4 2260 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:63:2b:e0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79661sec preferred_lft 79661sec inet6 fe80::f816:3eff:fe63:2be0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21900) 05/31/26 _x86_64_ (2 CPU) 01:56:20 LINUX RESTART (2 CPU) 02:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:03 1.77 0.28 1.48 0.01 32.41 67.71 0.30 02:20:07 1.37 0.01 1.34 0.02 1.11 23.12 1.13 02:30:08 1.47 0.00 1.44 0.03 0.00 17.90 653.69 02:40:07 1.14 0.00 1.13 0.02 0.00 14.23 1.20 02:50:03 1.21 0.00 1.19 0.02 0.00 14.88 1.22 03:00:08 1.51 0.00 1.48 0.03 0.00 18.59 649.47 03:10:09 13.95 0.00 1.41 12.53 0.15 16.73 108895.16 03:20:09 23.98 3.02 18.67 2.30 228.12 3436.91 1113.49 03:30:08 1.73 0.00 1.69 0.04 0.00 20.91 2.33 03:40:09 1.39 0.00 1.37 0.02 0.00 16.54 1.20 Average: 4.95 0.33 3.12 1.50 26.14 364.48 11149.76 02:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:03 6230924 7508204 311524 3.83 30792 1451960 739552 8.06 458620 1204564 2236 02:20:07 6238172 7516324 303420 3.73 31008 1452604 535168 5.83 453468 1205112 204 02:30:08 6238296 7517004 302712 3.72 31212 1452932 535032 5.83 453480 1205644 136 02:40:07 6247468 7526700 293012 3.60 31404 1453256 535032 5.83 455016 1206160 184 02:50:03 6247592 7527364 292340 3.59 31608 1453588 535168 5.83 455292 1206696 184 03:00:08 6250836 7531312 288364 3.55 31832 1454044 535260 5.83 455644 1207248 176 03:10:09 6257872 7538924 280736 3.45 32040 1454408 562496 6.13 459492 1207792 240 03:20:09 5185868 7383200 384056 4.72 86900 2271232 721572 7.86 613572 2033916 176 03:30:08 5174292 7372144 395224 4.86 87068 2271580 667540 7.27 608400 2034436 152 03:40:09 5174068 7372460 394908 4.86 87256 2271936 667668 7.27 608672 2034980 124 Average: 5924539 7479364 324630 3.99 48112 1698754 603449 6.57 502166 1454655 381 02:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.31 0.29 3.22 0.04 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.46 0.05 0.06 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.54 0.04 4.41 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.41 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.29 0.07 0.07 0.04 0.00 0.00 0.00 0.00 03:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.36 0.09 0.11 0.06 0.00 0.00 0.00 0.00 03:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:09 ens3 0.48 0.26 0.08 0.50 0.00 0.00 0.00 0.00 03:20:09 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:20:09 ens3 62.77 44.80 315.77 11.03 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 2.04 0.30 0.32 0.10 0.00 0.00 0.00 0.00 03:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:09 ens3 0.88 0.26 0.14 0.05 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.95 4.62 32.41 1.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-21900) 05/31/26 _x86_64_ (2 CPU) 01:56:20 LINUX RESTART (2 CPU) 02:00:07 CPU %user %nice %system %iowait %steal %idle 02:10:03 all 0.39 0.00 0.11 0.02 0.02 99.46 02:10:03 0 0.41 0.00 0.09 0.01 0.02 99.47 02:10:03 1 0.36 0.00 0.13 0.03 0.02 99.45 02:20:07 all 0.25 0.00 0.09 0.01 0.12 99.52 02:20:07 0 0.29 0.00 0.08 0.01 0.11 99.50 02:20:07 1 0.22 0.00 0.10 0.02 0.12 99.55 02:30:08 all 0.26 0.00 0.19 0.06 0.05 99.43 02:30:08 0 0.35 0.00 0.19 0.03 0.08 99.35 02:30:08 1 0.18 0.00 0.20 0.08 0.03 99.51 02:40:07 all 0.25 0.00 0.08 0.01 0.02 99.64 02:40:07 0 0.22 0.00 0.07 0.01 0.02 99.68 02:40:07 1 0.28 0.00 0.10 0.01 0.02 99.60 02:50:03 all 0.29 0.00 0.08 0.01 0.02 99.61 02:50:03 0 0.28 0.00 0.08 0.01 0.02 99.62 02:50:03 1 0.30 0.00 0.07 0.01 0.02 99.60 03:00:08 all 0.31 0.00 0.18 0.01 0.02 99.48 03:00:08 0 0.33 0.00 0.18 0.01 0.02 99.46 03:00:08 1 0.30 0.00 0.17 0.01 0.02 99.50 03:10:09 all 0.22 0.00 0.10 0.16 0.02 99.51 03:10:09 0 0.09 0.00 0.10 0.29 0.02 99.50 03:10:09 1 0.36 0.00 0.09 0.02 0.01 99.52 03:20:09 all 12.28 0.00 1.76 0.97 0.06 84.92 03:20:09 0 8.66 0.00 1.43 0.76 0.06 89.10 03:20:09 1 15.90 0.00 2.10 1.19 0.06 80.76 03:30:08 all 0.45 0.00 0.26 0.01 0.04 99.24 03:30:08 0 0.44 0.00 0.26 0.01 0.05 99.25 03:30:08 1 0.46 0.00 0.25 0.02 0.04 99.23 03:40:09 all 0.41 0.00 0.18 0.01 0.04 99.36 03:40:09 0 0.37 0.00 0.19 0.01 0.06 99.38 03:40:09 1 0.45 0.00 0.18 0.02 0.03 99.33 Average: all 1.51 0.00 0.30 0.13 0.04 98.02 Average: 0 1.14 0.00 0.27 0.11 0.04 98.43 Average: 1 1.88 0.00 0.34 0.14 0.04 97.61