---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25436 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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 773 9113 4 6102 14873 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:d0:76:ff 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 83938sec preferred_lft 83938sec inet6 fe80::f816:3eff:fed0:76ff/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:95:ec:8a:ed:8f 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-25436) 01/10/26 _x86_64_ (4 CPU) 20:25:06 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 18.20 2.72 14.03 1.45 721.33 3600.11 5504.66 20:50:01 49.45 0.34 40.41 8.70 10.94 4583.65 13999.67 21:00:01 71.41 12.00 37.14 22.26 137.57 5458.40 243215.59 Average: 46.36 5.02 30.54 10.81 289.73 4547.68 87575.85 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9742508 13342572 2615616 15.98 145956 3581592 3006420 17.26 786816 5464984 67428 20:50:01 8215132 12898284 3050228 18.63 199524 4519632 3202832 18.38 1032776 6642504 116760 21:00:01 9480748 15362432 581092 3.55 242960 5595696 1120628 6.43 1473380 4840988 532 Average: 9146129 13867763 2082312 12.72 196147 4565640 2443293 14.02 1097657 5649492 61573 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 1.21 1.21 0.13 0.13 0.00 0.00 0.00 0.00 20:40:00 ens3 91.59 70.74 670.22 17.90 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 lo 4143.62 4143.62 3949.34 3949.34 0.00 0.00 0.00 0.00 20:50:01 ens3 97.17 73.34 303.83 22.28 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 21:00:01 lo 3825.42 3825.42 3643.20 3643.20 0.00 0.00 0.00 0.00 21:00:01 ens3 89.46 69.62 103.92 44.91 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2657.99 2657.99 2532.08 2532.08 0.00 0.00 0.00 0.00 Average: ens3 92.75 71.23 359.21 28.36 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-25436) 01/10/26 _x86_64_ (4 CPU) 20:25:06 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 55.16 0.00 2.07 0.16 0.09 42.52 20:40:00 0 56.78 0.00 2.09 0.12 0.10 40.90 20:40:00 1 54.59 0.00 2.13 0.18 0.09 43.00 20:40:00 2 55.10 0.00 2.19 0.20 0.10 42.41 20:40:00 3 54.16 0.00 1.85 0.14 0.09 43.76 20:50:01 all 64.98 0.00 3.79 0.14 0.11 30.98 20:50:01 0 66.03 0.00 4.14 0.15 0.11 29.57 20:50:01 1 64.60 0.00 3.47 0.11 0.11 31.71 20:50:01 2 65.35 0.00 3.56 0.14 0.11 30.84 20:50:01 3 63.96 0.00 3.98 0.14 0.11 31.81 21:00:01 all 57.94 0.07 3.55 0.28 0.10 38.06 21:00:01 0 56.86 0.18 3.58 0.28 0.10 39.01 21:00:01 1 58.93 0.00 3.68 0.21 0.10 37.08 21:00:01 2 58.60 0.11 3.59 0.27 0.10 37.33 21:00:01 3 57.38 0.00 3.33 0.37 0.10 38.81 Average: all 59.36 0.02 3.13 0.19 0.10 37.19 Average: 0 59.89 0.06 3.27 0.18 0.10 36.50 Average: 1 59.37 0.00 3.10 0.17 0.10 37.26 Average: 2 59.69 0.04 3.11 0.21 0.10 36.86 Average: 3 58.50 0.00 3.06 0.22 0.10 38.13