---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16055 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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 Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 12G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 730 9481 4 5777 14916 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:50:55:ea brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.200/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84034sec preferred_lft 84034sec inet6 fe80::f816:3eff:fe50:55ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:2e:6e:80:e0:c2 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16055) 12/23/25 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 16.23 2.23 12.90 1.10 134.71 3857.93 9143.88 20:50:01 60.64 0.32 48.12 12.21 10.95 3974.25 19042.48 21:00:02 33.22 0.14 27.47 5.62 6.59 5131.13 6998.64 Average: 36.70 0.90 29.50 6.31 50.75 4321.11 11728.27 20:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 8722832 12503804 3451544 21.08 172368 3685288 3719628 21.35 722112 6481612 193436 20:50:01 8628084 13075824 2873900 17.55 204816 4274808 3147528 18.07 891728 6368032 120956 21:00:02 9841320 15389044 556012 3.40 244700 5275412 1087936 6.24 1280504 4696364 248 Average: 9064079 13656224 2293819 14.01 207295 4411836 2651697 15.22 964781 5848669 104880 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 20:40:02 ens3 88.34 72.22 418.49 20.55 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 5490.77 5490.77 5232.78 5232.78 0.00 0.00 0.00 0.00 20:50:01 ens3 99.75 71.23 248.12 21.67 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 2285.23 2285.23 2166.99 2166.99 0.00 0.00 0.00 0.00 21:00:02 ens3 105.12 95.63 138.99 152.71 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2592.44 2592.44 2466.62 2466.62 0.00 0.00 0.00 0.00 Average: ens3 97.74 79.69 268.53 64.98 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-16055) 12/23/25 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 69.44 0.00 2.37 0.12 0.10 27.98 20:40:02 0 69.52 0.00 2.49 0.13 0.10 27.75 20:40:02 1 69.02 0.00 2.06 0.10 0.10 28.73 20:40:02 2 69.50 0.00 2.46 0.12 0.10 27.82 20:40:02 3 69.71 0.00 2.46 0.12 0.10 27.61 20:50:01 all 60.78 0.00 4.18 0.21 0.10 34.74 20:50:01 0 60.48 0.00 3.96 0.18 0.10 35.28 20:50:01 1 61.56 0.00 4.59 0.31 0.10 33.44 20:50:01 2 60.87 0.00 4.38 0.14 0.09 34.51 20:50:01 3 60.22 0.00 3.77 0.20 0.10 35.72 21:00:02 all 47.73 0.00 2.66 0.19 0.09 49.33 21:00:02 0 45.62 0.00 2.76 0.27 0.09 51.26 21:00:02 1 50.72 0.00 2.72 0.17 0.09 46.30 21:00:02 2 49.02 0.00 2.53 0.13 0.09 48.23 21:00:02 3 45.56 0.00 2.62 0.19 0.08 51.54 Average: all 59.32 0.00 3.07 0.17 0.09 37.35 Average: 0 58.54 0.00 3.07 0.20 0.09 38.10 Average: 1 60.44 0.00 3.12 0.19 0.09 36.15 Average: 2 59.80 0.00 3.13 0.13 0.09 36.85 Average: 3 58.50 0.00 2.95 0.17 0.09 38.29