---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2478 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: 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: 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 11G 67G 14% / 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 710 10408 4 4869 14936 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:fe:8a:ef brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83854sec preferred_lft 83854sec inet6 fe80::f816:3eff:fefe:8aef/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:c4:5a:78:d2:e9 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-2478) 08/06/26 _x86_64_ (4 CPU) 00:46:14 LINUX RESTART (4 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 2.57 0.03 2.53 0.02 0.80 47.60 0.72 01:10:05 10.46 1.87 8.09 0.50 122.22 2329.99 784.18 01:20:05 21.49 0.82 18.43 2.24 29.63 3274.02 3129.39 Average: 11.52 0.91 9.69 0.92 51.12 1888.36 1306.27 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 13020320 15516980 458020 2.80 99036 2586600 991200 5.69 338208 2690580 252 01:10:05 10802296 14055440 1905668 11.64 128272 3256232 2241136 12.86 532232 4667068 34628 01:20:05 9373828 13524848 2427940 14.83 166828 4036764 2633756 15.12 761440 5780828 14688 Average: 11065481 14365756 1597209 9.76 131379 3293199 1955364 11.22 543960 4379492 16523 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 01:00:01 ens3 18.97 15.26 190.18 1.67 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:10:05 lo 0.72 0.72 0.07 0.07 0.00 0.00 0.00 0.00 01:10:05 ens3 82.59 68.29 677.81 13.81 0.00 0.00 0.00 0.00 01:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:20:05 lo 957.97 957.97 912.66 912.66 0.00 0.00 0.00 0.00 01:20:05 ens3 87.24 65.38 332.27 19.06 0.00 0.00 0.00 0.00 01:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 319.58 319.58 304.23 304.23 0.00 0.00 0.00 0.00 Average: ens3 63.06 49.75 401.05 11.54 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-2478) 08/06/26 _x86_64_ (4 CPU) 00:46:14 LINUX RESTART (4 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.19 0.00 0.06 0.02 0.02 99.72 01:00:01 0 0.39 0.00 0.09 0.00 0.01 99.51 01:00:01 1 0.04 0.00 0.05 0.07 0.02 99.83 01:00:01 2 0.05 0.00 0.02 0.00 0.02 99.91 01:00:01 3 0.28 0.00 0.07 0.00 0.02 99.63 01:10:05 all 38.56 0.00 1.27 0.03 0.09 60.05 01:10:05 0 39.09 0.00 1.31 0.02 0.08 59.49 01:10:05 1 39.58 0.00 1.44 0.05 0.08 58.84 01:10:05 2 36.89 0.00 1.20 0.03 0.09 61.79 01:10:05 3 38.67 0.00 1.12 0.04 0.08 60.09 01:20:05 all 69.27 0.00 2.55 0.05 0.11 28.03 01:20:05 0 70.47 0.00 2.67 0.04 0.11 26.71 01:20:05 1 68.86 0.00 2.83 0.04 0.11 28.16 01:20:05 2 68.38 0.00 2.32 0.06 0.11 29.13 01:20:05 3 69.36 0.00 2.37 0.05 0.11 28.12 Average: all 36.07 0.00 1.29 0.03 0.07 62.53 Average: 0 36.71 0.00 1.36 0.02 0.07 61.84 Average: 1 36.22 0.00 1.44 0.05 0.07 62.21 Average: 2 35.17 0.00 1.18 0.03 0.07 63.54 Average: 3 36.19 0.00 1.19 0.03 0.07 62.52