---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-4720 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 8.1G 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 769 5012 4 2451 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:fd:2d:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.170/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78677sec preferred_lft 78677sec inet6 fe80::f816:3eff:fefd:2d25/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4720) 04/20/26 _x86_64_ (2 CPU) 00:43:26 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.63 0.01 1.60 0.03 0.05 19.05 436.99 01:10:11 1.42 0.00 1.40 0.02 0.00 16.20 1.30 01:20:11 14.60 0.33 1.72 12.56 40.23 74.55 109122.77 01:30:11 1.53 0.00 1.52 0.01 0.00 17.97 435.59 01:40:11 1.44 0.00 1.44 0.00 0.00 17.03 0.00 01:50:01 1.80 0.41 1.39 0.00 16.06 48.28 0.00 02:00:01 21.86 2.62 17.02 2.22 212.37 3083.64 489.10 02:10:11 1.24 0.00 1.24 0.00 0.00 15.55 0.00 02:20:01 1.24 0.00 1.24 0.00 0.00 51.97 0.00 02:30:01 1.69 0.00 1.65 0.04 0.00 317.57 2.75 02:40:11 1.59 0.00 1.56 0.03 0.00 98.54 2.80 02:50:01 1.43 0.00 1.41 0.02 0.00 17.21 2.81 Average: 4.29 0.28 2.77 1.24 22.37 314.86 9208.38 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6299268 7550472 269936 3.32 30736 1426308 523276 5.70 441068 1187520 124 01:10:11 6306380 7558136 262264 3.22 30948 1426644 523248 5.70 441132 1188068 124 01:20:11 6250184 7531236 288384 3.55 31324 1455156 523552 5.70 453056 1205552 172 01:30:11 6246180 7527752 291784 3.59 31496 1455492 523644 5.70 453096 1206052 144 01:40:11 6246180 7528396 291204 3.58 31672 1455944 523716 5.70 453888 1206560 124 01:50:01 6214224 7511636 307728 3.78 31968 1470636 561388 6.11 496084 1220032 336 02:00:01 5058260 7174064 597352 7.35 85300 2194724 840280 9.15 806224 1953404 168 02:10:11 5125076 7241436 529984 6.52 85416 2195156 756228 8.24 722352 1953960 184 02:20:01 5140452 7268164 503252 6.19 85568 2206364 767068 8.35 717020 1965312 140 02:30:01 4917216 7135704 634740 7.80 85756 2296036 908756 9.90 857664 2055180 128 02:40:11 4895068 7138744 631236 7.76 85972 2320664 889780 9.69 840648 2079896 124 02:50:01 4824428 7068676 701292 8.62 86116 2321100 943132 10.27 893420 2080468 148 Average: 5626910 7352868 442430 5.44 58523 1852019 690339 7.52 631304 1608500 160 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 0.82 0.04 0.10 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.44 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:20:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.65 0.27 3.15 0.07 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.31 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:11 ens3 0.53 0.19 0.15 0.54 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 11.20 5.57 24.30 2.72 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 83.66 65.85 726.32 10.38 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 31.64 27.98 472.58 1.84 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 75.63 71.65 1246.39 4.70 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 24.80 23.29 382.27 1.56 0.00 0.00 0.00 0.00 02:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:11 ens3 28.19 26.43 443.18 1.84 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 13.74 12.73 206.33 0.85 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 22.58 19.46 291.32 2.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-4720) 04/20/26 _x86_64_ (2 CPU) 00:43:26 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.17 0.01 0.03 99.51 01:00:01 0 0.14 0.00 0.19 0.01 0.03 99.63 01:00:01 1 0.41 0.00 0.16 0.02 0.03 99.38 01:10:11 all 0.28 0.00 0.07 0.01 0.03 99.61 01:10:11 0 0.06 0.00 0.10 0.01 0.04 99.79 01:10:11 1 0.49 0.00 0.05 0.01 0.02 99.43 01:20:11 all 0.37 0.00 0.13 0.04 0.03 99.43 01:20:11 0 0.35 0.00 0.11 0.03 0.03 99.47 01:20:11 1 0.38 0.00 0.15 0.05 0.04 99.39 01:30:11 all 0.27 0.00 0.16 0.01 0.03 99.53 01:30:11 0 0.46 0.00 0.15 0.01 0.03 99.35 01:30:11 1 0.07 0.00 0.17 0.01 0.04 99.72 01:40:11 all 0.24 0.00 0.07 0.01 0.03 99.65 01:40:11 0 0.25 0.00 0.08 0.01 0.03 99.63 01:40:11 1 0.22 0.00 0.07 0.01 0.03 99.67 01:50:01 all 0.53 0.00 0.10 0.02 0.03 99.32 01:50:01 0 0.35 0.00 0.11 0.01 0.04 99.50 01:50:01 1 0.71 0.00 0.09 0.03 0.02 99.14 02:00:01 all 10.98 0.00 1.86 0.51 0.06 86.60 02:00:01 0 13.64 0.00 2.07 0.48 0.05 83.76 02:00:01 1 8.31 0.00 1.65 0.53 0.07 89.44 02:10:11 all 0.57 0.00 0.27 0.01 0.05 99.10 02:10:11 0 0.72 0.00 0.31 0.01 0.04 98.91 02:10:11 1 0.41 0.00 0.22 0.00 0.07 99.29 02:20:01 all 1.07 0.00 0.58 0.02 0.06 98.27 02:20:01 0 0.56 0.00 0.19 0.01 0.05 99.19 02:20:01 1 1.57 0.00 0.98 0.03 0.07 97.35 02:30:01 all 0.75 0.00 0.31 0.02 0.05 98.87 02:30:01 0 0.58 0.00 0.28 0.01 0.05 99.09 02:30:01 1 0.93 0.00 0.35 0.02 0.06 98.64 02:40:11 all 0.70 0.00 0.27 0.01 0.06 98.96 02:40:11 0 0.85 0.00 0.42 0.01 0.08 98.62 02:40:11 1 0.55 0.00 0.11 0.00 0.03 99.30 02:40:11 CPU %user %nice %system %iowait %steal %idle 02:50:01 all 0.49 0.00 0.21 0.01 0.06 99.22 02:50:01 0 0.47 0.00 0.26 0.01 0.07 99.20 02:50:01 1 0.52 0.00 0.17 0.02 0.05 99.24 Average: all 1.37 0.00 0.35 0.06 0.04 98.18 Average: 0 1.54 0.00 0.35 0.05 0.05 98.01 Average: 1 1.21 0.00 0.35 0.06 0.04 98.34