---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3255 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 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 729 9300 4 5959 14917 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:c0:0e:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83726sec preferred_lft 83726sec inet6 fe80::f816:3eff:fec0:e60/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:78:8f:44:75:dc 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3255) 08/07/26 _x86_64_ (4 CPU) 20:24:53 LINUX RESTART (4 CPU) 20:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 14.73 2.38 11.34 1.00 140.95 3423.26 1869.06 20:50:25 46.74 0.36 38.53 7.84 11.20 4352.87 10625.50 21:00:25 43.82 0.15 35.22 8.46 10.36 5312.21 9459.68 Average: 35.50 0.94 28.71 5.85 52.53 4374.53 7428.94 20:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 10268380 13760396 2199004 13.43 151440 3452168 2521668 14.47 585860 5123608 57092 20:50:25 8584200 13131800 2818500 17.21 206204 4365200 3064116 17.59 824844 6460316 109744 21:00:25 9700644 15379720 566376 3.46 244628 5393864 1099744 6.31 1215420 4878368 36760 Average: 9517741 14090639 1861293 11.37 200757 4403744 2228509 12.79 875375 5487431 67865 20:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 1.29 1.29 0.13 0.13 0.00 0.00 0.00 0.00 20:40:02 ens3 105.25 83.00 574.25 20.16 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 20:50:25 lo 4739.23 4739.23 4519.97 4519.97 0.00 0.00 0.00 0.00 20:50:25 ens3 89.02 65.34 312.08 18.20 0.00 0.00 0.00 0.00 20:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:25 lo 4108.01 4108.01 3916.86 3916.86 0.00 0.00 0.00 0.00 21:00:25 ens3 87.72 66.04 123.31 23.83 0.00 0.00 0.00 0.00 21:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3009.49 3009.49 2869.54 2869.54 0.00 0.00 0.00 0.00 Average: ens3 93.79 71.24 333.23 20.70 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-3255) 08/07/26 _x86_64_ (4 CPU) 20:24:53 LINUX RESTART (4 CPU) 20:30:25 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 62.86 0.00 2.32 0.07 0.09 34.66 20:40:02 0 61.02 0.00 2.01 0.05 0.09 36.82 20:40:02 1 62.60 0.00 2.55 0.10 0.09 34.65 20:40:02 2 64.27 0.00 2.62 0.07 0.09 32.96 20:40:02 3 63.54 0.00 2.09 0.06 0.09 34.22 20:50:25 all 64.28 0.00 4.13 0.23 0.10 31.25 20:50:25 0 64.46 0.00 3.59 0.29 0.10 31.55 20:50:25 1 62.42 0.00 4.03 0.15 0.10 33.30 20:50:25 2 64.51 0.00 4.21 0.12 0.10 31.05 20:50:25 3 65.74 0.00 4.70 0.36 0.10 29.09 21:00:25 all 58.15 0.00 3.70 0.38 0.09 37.68 21:00:25 0 58.13 0.00 3.62 0.64 0.09 37.52 21:00:25 1 57.11 0.00 4.14 0.35 0.09 38.31 21:00:25 2 59.09 0.00 4.02 0.23 0.09 36.56 21:00:25 3 58.27 0.00 3.02 0.32 0.09 38.31 Average: all 61.78 0.00 3.41 0.23 0.09 34.49 Average: 0 61.25 0.00 3.10 0.33 0.09 35.23 Average: 1 60.71 0.00 3.59 0.20 0.09 35.40 Average: 2 62.63 0.00 3.64 0.14 0.09 33.50 Average: 3 62.54 0.00 3.30 0.25 0.09 33.81