---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16151 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 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 805 5101 4 2332 7136 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:99:4f:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80118sec preferred_lft 80118sec inet6 fe80::f816:3eff:fe99:4f0e/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-16151) 05/18/26 _x86_64_ (2 CPU) 01:57:49 LINUX RESTART (2 CPU) 02:00:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 14.76 0.03 1.46 13.27 1.47 17.51 115512.62 02:20:16 1.48 0.01 1.46 0.02 0.07 16.81 1.17 02:30:16 15.71 13.54 2.10 0.08 151.12 45.35 327.47 02:40:01 1.36 0.00 1.34 0.02 0.00 15.55 1.23 02:50:16 1.88 0.25 1.60 0.03 31.27 73.49 1.39 03:00:16 3.57 1.33 2.16 0.08 96.08 185.51 4.95 03:10:01 20.72 1.73 16.76 2.23 134.92 3108.16 549.18 03:20:16 1.45 0.00 1.44 0.00 0.00 41.37 0.13 03:30:16 1.67 0.00 1.64 0.03 0.35 49.33 0.39 03:40:01 1.42 0.00 1.42 0.00 0.00 65.38 0.00 Average: 6.31 1.69 3.11 1.51 41.48 356.01 11065.98 02:00:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6293748 7540556 280024 3.44 30580 1421900 520044 5.66 445320 1183184 156 02:20:16 6291524 7538908 281696 3.46 30816 1422232 520044 5.66 445376 1183752 156 02:30:16 6222616 7527132 284364 3.50 34992 1466852 520180 5.67 446044 1231940 208 02:40:01 6221916 7526960 284492 3.50 35184 1467180 520180 5.67 446108 1232460 160 02:50:16 6195884 7528000 282888 3.48 35588 1493476 522180 5.69 455332 1250084 220 03:00:16 5946416 7402084 401512 4.94 45424 1601148 599216 6.53 558296 1354828 51144 03:10:01 5216012 7395496 366984 4.51 88956 2246116 639052 6.96 608304 2010408 328 03:20:16 5200528 7387908 374304 4.60 89108 2253892 702988 7.66 614356 2018308 1052 03:30:16 5192276 7387952 374384 4.60 89272 2261996 650140 7.08 610668 2026492 512 03:40:01 5171932 7383300 378992 4.66 89400 2277516 653956 7.12 615156 2042140 2000 Average: 5795285 7461830 330964 4.07 56932 1791231 584798 6.37 524496 1553360 5594 02:00:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.87 0.04 0.08 0.02 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.39 0.06 0.06 0.02 0.00 0.00 0.00 0.00 02:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:16 ens3 0.30 0.05 0.22 0.02 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.61 0.05 1.16 0.03 0.00 0.00 0.00 0.00 02:50:16 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:16 ens3 0.50 0.22 3.08 0.05 0.00 0.00 0.00 0.00 03:00:16 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 03:00:16 ens3 22.07 12.16 72.49 4.72 0.00 0.00 0.00 0.00 03:10:01 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 56.46 39.94 238.81 8.17 0.00 0.00 0.00 0.00 03:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:16 ens3 23.72 20.77 4.37 2.50 0.00 0.00 0.00 0.00 03:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:16 ens3 23.29 22.27 4.65 3.22 0.00 0.00 0.00 0.00 03:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 28.75 27.80 5.60 3.92 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 15.62 12.29 32.63 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16151) 05/18/26 _x86_64_ (2 CPU) 01:57:49 LINUX RESTART (2 CPU) 02:00:34 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.30 0.00 0.08 0.03 0.04 99.55 02:10:01 0 0.07 0.00 0.12 0.05 0.05 99.71 02:10:01 1 0.54 0.00 0.05 0.01 0.03 99.38 02:20:16 all 0.25 0.00 0.07 0.11 0.03 99.54 02:20:16 0 0.07 0.00 0.09 0.19 0.04 99.61 02:20:16 1 0.44 0.00 0.05 0.02 0.03 99.47 02:30:16 all 0.28 0.17 0.23 0.15 0.03 99.14 02:30:16 0 0.08 0.34 0.30 0.29 0.03 98.96 02:30:16 1 0.49 0.01 0.16 0.00 0.02 99.33 02:40:01 all 0.24 0.00 0.07 0.01 0.03 99.66 02:40:01 0 0.07 0.00 0.10 0.01 0.03 99.80 02:40:01 1 0.41 0.00 0.05 0.01 0.02 99.52 02:50:16 all 0.41 0.00 0.11 0.02 0.03 99.44 02:50:16 0 0.40 0.00 0.08 0.02 0.03 99.47 02:50:16 1 0.41 0.00 0.13 0.02 0.03 99.41 03:00:16 all 1.53 0.00 0.37 0.06 0.03 98.00 03:00:16 0 1.60 0.00 0.33 0.10 0.03 97.95 03:00:16 1 1.47 0.00 0.41 0.03 0.04 98.06 03:10:01 all 11.95 0.00 1.65 0.60 0.07 85.73 03:10:01 0 14.83 0.00 1.92 0.53 0.06 82.65 03:10:01 1 9.06 0.00 1.38 0.68 0.07 88.81 03:20:16 all 3.58 0.00 0.29 0.01 0.07 96.05 03:20:16 0 2.77 0.00 0.31 0.01 0.06 96.85 03:20:16 1 4.39 0.00 0.27 0.01 0.08 95.25 03:30:16 all 3.71 0.00 0.45 0.01 0.07 95.76 03:30:16 0 4.38 0.00 0.46 0.01 0.08 95.07 03:30:16 1 3.04 0.00 0.43 0.01 0.07 96.45 03:40:01 all 5.10 0.00 0.38 0.01 0.07 94.45 03:40:01 0 4.31 0.00 0.36 0.00 0.05 95.27 03:40:01 1 5.88 0.00 0.40 0.02 0.08 93.63 Average: all 2.71 0.02 0.37 0.10 0.05 96.76 Average: 0 2.83 0.03 0.40 0.12 0.05 96.57 Average: 1 2.59 0.00 0.33 0.08 0.05 96.95