---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23859 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 8.3G 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 742 4860 4 2635 7199 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:6f:30:ae brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78233sec preferred_lft 78233sec inet6 fe80::f816:3eff:fe6f:30ae/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-23859) 06/05/26 _x86_64_ (2 CPU) 01:48:21 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:06 1.66 0.02 1.62 0.02 1.24 19.75 871.57 02:10:01 1.98 0.26 1.70 0.02 31.27 75.84 0.90 02:20:05 1.46 0.01 1.44 0.02 1.06 16.43 1.25 02:30:06 1.55 0.00 1.54 0.02 0.00 18.65 0.37 02:40:06 1.31 0.00 1.31 0.00 0.00 15.68 0.00 02:50:06 1.36 0.00 1.36 0.00 0.00 16.18 0.00 03:00:04 1.55 0.00 1.54 0.01 0.00 18.90 0.31 03:10:04 22.98 3.03 17.65 2.30 228.07 3517.15 929.38 03:20:01 14.93 0.00 1.38 13.55 0.15 16.63 107053.55 03:30:03 1.46 0.00 1.45 0.02 0.00 19.26 0.23 03:40:05 1.64 0.00 1.62 0.02 0.00 400.22 2.94 03:50:06 1.55 0.00 1.53 0.02 0.00 205.91 1.75 04:00:01 1.73 0.02 1.69 0.02 0.60 21.76 0.27 Average: 4.24 0.26 2.76 1.23 20.17 335.77 8338.58 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:06 6277192 7528332 292176 3.59 30592 1426132 531140 5.79 444760 1187300 180 02:10:01 6235460 7513312 306716 3.77 30964 1452140 726292 7.91 459168 1204916 124 02:20:05 6260008 7538724 281324 3.46 31176 1452780 531224 5.79 453960 1205456 188 02:30:06 6260388 7539640 280392 3.45 31360 1453108 531224 5.79 454008 1205968 188 02:40:06 6258136 7537888 282140 3.47 31524 1453436 531304 5.79 454156 1206460 192 02:50:06 6266844 7547216 272804 3.35 31692 1453884 533776 5.81 453576 1206948 188 03:00:04 6265160 7546060 273952 3.37 31872 1454212 533840 5.81 453872 1207456 192 03:10:04 5063024 7260404 507420 6.24 86556 2271464 770744 8.39 723256 2033836 288 03:20:01 4997044 7194996 572764 7.04 86676 2271912 732320 7.98 685116 2034376 240 03:30:03 4929124 7127752 639912 7.87 86812 2272452 705860 7.69 640348 2035052 260 03:40:05 4827812 7160064 606044 7.45 87016 2404500 886820 9.66 822812 2167176 16512 03:50:06 4679400 7052748 712636 8.76 87192 2444856 986204 10.74 922112 2207708 204 04:00:01 4668040 7042204 723100 8.89 87356 2445504 978504 10.66 914184 2208392 268 Average: 5614433 7353026 442414 5.44 56984 1865875 690712 7.52 606256 1623926 1463 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 1.61 0.06 0.21 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.60 0.23 3.16 0.03 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.28 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.21 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:06 ens3 0.36 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 0.89 0.17 0.27 0.14 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.47 0.27 0.11 0.70 0.00 0.00 0.00 0.00 03:10:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:10:04 ens3 85.98 62.93 669.68 12.52 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 30.83 27.67 461.52 1.82 0.00 0.00 0.00 0.00 03:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:03 ens3 78.43 57.97 1176.08 3.85 0.00 0.00 0.00 0.00 03:40:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:05 ens3 27.27 23.66 419.27 1.60 0.00 0.00 0.00 0.00 03:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:06 ens3 25.65 24.93 417.52 1.65 0.00 0.00 0.00 0.00 04:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:01 ens3 15.97 15.17 259.68 1.05 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 20.67 16.41 262.37 1.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23859) 06/05/26 _x86_64_ (2 CPU) 01:48:21 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:06 all 0.30 0.00 0.17 0.01 0.03 99.50 02:00:06 0 0.40 0.00 0.18 0.01 0.03 99.40 02:00:06 1 0.20 0.00 0.16 0.01 0.03 99.60 02:10:01 all 0.39 0.00 0.10 0.02 0.03 99.46 02:10:01 0 0.47 0.00 0.09 0.03 0.03 99.38 02:10:01 1 0.31 0.00 0.10 0.01 0.03 99.55 02:20:05 all 0.23 0.00 0.08 0.01 0.02 99.66 02:20:05 0 0.13 0.00 0.08 0.01 0.03 99.74 02:20:05 1 0.33 0.00 0.07 0.00 0.02 99.57 02:30:06 all 0.30 0.00 0.16 0.01 0.02 99.51 02:30:06 0 0.18 0.00 0.17 0.02 0.02 99.62 02:30:06 1 0.42 0.00 0.16 0.00 0.02 99.40 02:40:06 all 0.27 0.00 0.07 0.01 0.02 99.63 02:40:06 0 0.48 0.00 0.05 0.01 0.01 99.45 02:40:06 1 0.06 0.00 0.09 0.01 0.02 99.82 02:50:06 all 0.29 0.00 0.08 0.01 0.02 99.60 02:50:06 0 0.32 0.00 0.07 0.03 0.02 99.56 02:50:06 1 0.26 0.00 0.08 0.00 0.02 99.63 03:00:04 all 0.28 0.00 0.18 0.01 0.02 99.51 03:00:04 0 0.43 0.00 0.15 0.01 0.02 99.40 03:00:04 1 0.14 0.00 0.20 0.01 0.03 99.63 03:10:04 all 13.07 0.00 1.96 0.50 0.06 84.42 03:10:04 0 8.82 0.00 1.90 0.40 0.06 88.81 03:10:04 1 17.31 0.00 2.03 0.59 0.05 80.03 03:20:01 all 0.69 0.00 0.30 0.03 0.04 98.95 03:20:01 0 0.59 0.00 0.26 0.00 0.04 99.11 03:20:01 1 0.78 0.00 0.33 0.05 0.04 98.79 03:30:03 all 1.17 0.00 0.67 0.01 0.04 98.12 03:30:03 0 1.53 0.00 0.93 0.01 0.04 97.49 03:30:03 1 0.81 0.00 0.40 0.01 0.04 98.74 03:40:05 all 0.81 0.00 0.22 0.01 0.04 98.92 03:40:05 0 1.00 0.00 0.29 0.02 0.05 98.64 03:40:05 1 0.62 0.00 0.15 0.01 0.03 99.19 03:40:05 CPU %user %nice %system %iowait %steal %idle 03:50:06 all 0.71 0.00 0.25 0.01 0.04 98.99 03:50:06 0 0.93 0.00 0.35 0.01 0.06 98.66 03:50:06 1 0.50 0.00 0.14 0.02 0.03 99.32 04:00:01 all 0.63 0.00 0.33 0.01 0.04 99.00 04:00:01 0 0.55 0.00 0.29 0.01 0.04 99.11 04:00:01 1 0.71 0.00 0.37 0.01 0.03 98.88 Average: all 1.47 0.00 0.35 0.05 0.03 98.10 Average: 0 1.22 0.00 0.37 0.04 0.03 98.34 Average: 1 1.72 0.00 0.33 0.06 0.03 97.86