---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53958 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 751 5286 4 2192 7190 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:53:37:08 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81508sec preferred_lft 81508sec inet6 fe80::f816:3eff:fe53:3708/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53958) 03/29/26 _x86_64_ (2 CPU) 00:58:03 LINUX RESTART (2 CPU) 01:00:30 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:01 1.25 0.03 1.22 0.00 1.30 15.14 0.13 01:20:20 1.31 0.01 1.29 0.01 0.06 15.76 0.82 01:30:30 1.50 0.00 1.47 0.03 0.00 18.31 858.92 01:40:01 1.82 0.33 1.46 0.03 41.00 74.48 1.35 01:50:10 1.25 0.00 1.23 0.02 1.04 15.71 1.23 02:00:10 1.61 0.02 1.55 0.03 2.15 19.37 1.47 02:10:01 22.46 3.07 17.14 2.25 229.55 3118.02 1001.36 Average: 4.43 0.49 3.61 0.34 38.80 464.39 268.28 01:00:30 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:01 6292204 7542692 277692 3.41 30576 1425532 531884 5.79 444572 1187012 124 01:20:20 6292204 7543260 277124 3.41 30784 1425888 531960 5.79 444936 1187576 140 01:30:30 6282464 7534080 286368 3.52 31000 1426212 532096 5.80 444880 1188116 140 01:40:01 6227272 7507492 312356 3.84 31360 1454084 729972 7.95 467852 1205284 124 01:50:10 6243860 7524944 294968 3.63 31580 1454760 532556 5.80 462172 1205824 180 02:00:10 6232992 7515448 304488 3.74 31780 1455852 532600 5.80 463308 1206472 176 02:10:01 5348080 7459940 311944 3.84 85132 2190792 562836 6.13 553620 1949648 9240 Average: 6131297 7518265 294991 3.63 38887 1547589 564843 6.15 468763 1304276 1446 01:00:30 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.25 0.05 0.11 0.02 0.00 0.00 0.00 0.00 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.70 0.09 0.12 0.05 0.00 0.00 0.00 0.00 01:30:30 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:30 ens3 0.59 0.06 3.36 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.79 0.30 3.27 0.08 0.00 0.00 0.00 0.00 01:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:10 ens3 0.40 0.06 0.09 0.03 0.00 0.00 0.00 0.00 02:00:10 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:10 ens3 0.31 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:10:01 ens3 83.94 59.87 308.08 16.67 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.47 8.58 44.67 2.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53958) 03/29/26 _x86_64_ (2 CPU) 00:58:03 LINUX RESTART (2 CPU) 01:00:30 CPU %user %nice %system %iowait %steal %idle 01:10:01 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:01 0 0.14 0.00 0.08 0.01 0.03 99.74 01:10:01 1 0.39 0.00 0.07 0.01 0.02 99.51 01:20:20 all 0.28 0.00 0.09 0.01 0.02 99.60 01:20:20 0 0.17 0.00 0.08 0.00 0.02 99.72 01:20:20 1 0.39 0.00 0.10 0.01 0.02 99.48 01:30:30 all 0.29 0.00 0.18 0.01 0.02 99.49 01:30:30 0 0.18 0.00 0.17 0.01 0.02 99.61 01:30:30 1 0.41 0.00 0.18 0.01 0.02 99.38 01:40:01 all 0.43 0.00 0.10 0.02 0.03 99.42 01:40:01 0 0.58 0.00 0.07 0.01 0.02 99.32 01:40:01 1 0.27 0.00 0.14 0.03 0.04 99.52 01:50:10 all 0.28 0.00 0.07 0.02 0.02 99.61 01:50:10 0 0.36 0.00 0.06 0.02 0.02 99.53 01:50:10 1 0.19 0.00 0.08 0.02 0.02 99.68 02:00:10 all 0.31 0.00 0.18 0.01 0.02 99.48 02:00:10 0 0.14 0.00 0.20 0.01 0.02 99.63 02:00:10 1 0.48 0.00 0.17 0.01 0.02 99.33 02:10:01 all 11.61 0.00 1.79 0.49 0.04 86.07 02:10:01 0 8.68 0.00 1.59 0.42 0.04 89.26 02:10:01 1 14.54 0.00 1.98 0.56 0.04 82.88 Average: all 1.91 0.00 0.35 0.08 0.03 97.63 Average: 0 1.45 0.00 0.32 0.07 0.02 98.13 Average: 1 2.36 0.00 0.38 0.09 0.03 97.13