---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2122 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 768 5147 4 2322 7173 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:9b:51:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.212/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 77666sec preferred_lft 77666sec inet6 fe80::f816:3eff:fe9b:519a/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-2122) 04/12/26 _x86_64_ (2 CPU) 00:13:14 LINUX RESTART (2 CPU) 00:20:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:25 2.22 0.32 1.86 0.04 39.07 76.52 437.28 00:40:25 1.45 0.01 1.43 0.02 1.05 16.91 1.13 00:50:25 1.36 0.00 1.35 0.01 0.00 15.59 0.48 01:00:01 1.54 0.00 1.53 0.01 0.00 18.16 453.15 01:10:25 1.38 0.00 1.38 0.00 0.00 16.20 0.00 01:20:25 13.90 0.00 1.35 12.54 0.15 15.68 109129.93 01:30:00 1.60 0.00 1.58 0.01 0.00 19.38 681.15 01:40:01 3.03 1.31 1.70 0.02 95.76 111.35 217.82 01:50:01 36.72 15.26 19.18 2.28 283.42 3064.90 922.96 02:00:01 1.59 0.00 1.57 0.02 0.00 25.83 0.32 02:10:02 1.31 0.00 1.31 0.00 0.00 18.05 0.00 02:20:04 1.55 0.01 1.53 0.01 0.60 144.00 394.77 02:30:01 1.58 0.00 1.56 0.03 0.00 30.48 0.66 Average: 5.34 1.30 2.88 1.16 32.41 275.62 8657.06 00:20:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:25 6238040 7513664 306128 3.76 30908 1450228 718692 7.83 462560 1200328 200 00:40:25 6260528 7536992 282936 3.48 31100 1450868 520296 5.67 457668 1200848 124 00:50:25 6260528 7537516 282420 3.47 31284 1451196 520360 5.67 457736 1201360 200 01:00:01 6258512 7535988 283780 3.49 31448 1451488 520868 5.67 458224 1201816 240 01:10:25 6259552 7537712 282052 3.47 31632 1451980 520868 5.67 458380 1202364 124 01:20:25 6259352 7538060 281684 3.46 31788 1452352 520932 5.67 458516 1202864 236 01:30:00 6253820 7532980 286748 3.53 31952 1452644 521028 5.68 458612 1203312 132 01:40:01 6054628 7417996 397112 4.88 39128 1525728 631340 6.88 577716 1271060 27828 01:50:01 5063752 7233268 529088 6.51 89228 2236256 687312 7.49 652680 1998028 192 02:00:01 5173244 7345008 417424 5.13 89380 2238336 655648 7.14 607276 2000148 196 02:10:02 5121284 7328056 434328 5.34 89504 2273208 697956 7.60 649752 2035128 34124 02:20:04 5154188 7365340 397008 4.88 89652 2277384 664012 7.23 615300 2039340 228 02:30:01 5099112 7314036 448212 5.51 89804 2280952 699000 7.61 650408 2043068 164 Average: 5804349 7441278 356071 4.38 54370 1768663 606024 6.60 535756 1523051 4922 00:20:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:25 ens3 1.15 0.29 3.17 0.08 0.00 0.00 0.00 0.00 00:40:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:25 ens3 1.85 0.14 0.34 0.11 0.00 0.00 0.00 0.00 00:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:25 ens3 0.89 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.49 0.14 0.08 0.63 0.00 0.00 0.00 0.00 01:10:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:25 ens3 0.40 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.48 0.08 0.11 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.36 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 15.17 8.35 50.70 4.17 0.00 0.00 0.00 0.00 01:50:01 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 57.48 44.29 388.24 8.24 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 14.01 12.78 140.04 1.15 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 6.07 4.92 42.15 0.63 0.00 0.00 0.00 0.00 02:20:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 16.40 15.55 148.64 1.76 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 21.40 20.56 226.03 2.07 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.50 8.28 77.10 1.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2122) 04/12/26 _x86_64_ (2 CPU) 00:13:14 LINUX RESTART (2 CPU) 00:20:25 CPU %user %nice %system %iowait %steal %idle 00:30:25 all 0.39 0.00 0.20 0.07 0.03 99.30 00:30:25 0 0.37 0.00 0.19 0.05 0.03 99.37 00:30:25 1 0.41 0.00 0.22 0.09 0.04 99.24 00:40:25 all 0.22 0.00 0.08 0.04 0.03 99.62 00:40:25 0 0.32 0.00 0.07 0.01 0.03 99.58 00:40:25 1 0.13 0.00 0.10 0.08 0.04 99.66 00:50:25 all 0.25 0.00 0.08 0.02 0.03 99.63 00:50:25 0 0.35 0.00 0.07 0.02 0.02 99.54 00:50:25 1 0.14 0.00 0.08 0.02 0.04 99.71 01:00:01 all 0.28 0.00 0.16 0.01 0.03 99.52 01:00:01 0 0.29 0.00 0.15 0.01 0.02 99.53 01:00:01 1 0.28 0.00 0.17 0.02 0.03 99.50 01:10:25 all 0.22 0.00 0.07 0.03 0.03 99.65 01:10:25 0 0.05 0.00 0.08 0.04 0.03 99.79 01:10:25 1 0.40 0.00 0.06 0.01 0.02 99.50 01:20:25 all 0.23 0.00 0.08 0.10 0.03 99.57 01:20:25 0 0.06 0.00 0.09 0.02 0.04 99.80 01:20:25 1 0.39 0.00 0.07 0.18 0.02 99.34 01:30:00 all 0.27 0.00 0.16 0.06 0.02 99.48 01:30:00 0 0.09 0.00 0.18 0.05 0.03 99.65 01:30:00 1 0.45 0.00 0.15 0.08 0.02 99.31 01:40:01 all 0.95 0.00 0.21 0.15 0.03 98.67 01:40:01 0 0.82 0.00 0.20 0.18 0.03 98.78 01:40:01 1 1.07 0.00 0.23 0.11 0.03 98.55 01:50:01 all 10.64 0.23 1.74 2.90 0.06 84.43 01:50:01 0 10.80 0.30 1.87 2.74 0.06 84.22 01:50:01 1 10.47 0.16 1.60 3.06 0.07 84.64 02:00:01 all 0.91 0.00 0.31 0.05 0.06 98.68 02:00:01 0 0.69 0.00 0.23 0.03 0.04 99.02 02:00:01 1 1.14 0.00 0.39 0.07 0.07 98.33 02:10:02 all 8.84 0.00 0.67 0.03 0.08 90.38 02:10:02 0 5.69 0.00 0.55 0.04 0.08 93.64 02:10:02 1 11.87 0.00 0.78 0.02 0.08 87.25 02:10:02 CPU %user %nice %system %iowait %steal %idle 02:20:04 all 1.94 0.00 0.29 0.40 0.06 97.32 02:20:04 0 1.55 0.00 0.33 0.14 0.06 97.92 02:20:04 1 2.32 0.00 0.25 0.66 0.05 96.72 02:30:01 all 1.45 0.00 0.43 0.24 0.05 97.83 02:30:01 0 0.95 0.00 0.27 0.07 0.03 98.68 02:30:01 1 1.96 0.00 0.59 0.42 0.06 96.97 Average: all 2.05 0.02 0.35 0.32 0.04 97.23 Average: 0 1.69 0.02 0.33 0.26 0.04 97.66 Average: 1 2.40 0.01 0.36 0.37 0.04 96.81