---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2357 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 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 698 10197 4 5093 14948 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:37:c2:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83942sec preferred_lft 83942sec inet6 fe80::f816:3eff:fe37:c2d5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:31:30:9f:6e:d1 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-2357) 08/05/26 _x86_64_ (4 CPU) 15:28:15 LINUX RESTART (4 CPU) 15:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:05 10.90 1.10 9.23 0.56 64.43 2209.01 11564.86 15:50:05 10.70 1.88 8.23 0.59 122.95 2531.80 1464.41 16:00:01 17.56 0.83 15.04 1.68 29.59 3017.60 4088.25 Average: 13.04 1.27 10.82 0.94 72.40 2584.40 5721.80 15:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:05 12775208 15488392 481552 2.94 104736 2794396 1005904 5.77 360152 2896912 324 15:50:05 10492640 14004140 1955128 11.94 135576 3497092 2365028 13.58 562348 4938348 19028 16:00:01 8781888 13237828 2713392 16.57 172000 4327840 2998780 17.21 785472 6338952 94744 Average: 10683245 14243453 1716691 10.48 137437 3539776 2123237 12.19 569324 4724737 38032 15:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:05 lo 0.26 0.26 0.03 0.03 0.00 0.00 0.00 0.00 15:40:05 ens3 49.45 31.32 593.92 4.20 0.00 0.00 0.00 0.00 15:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:05 lo 0.83 0.83 0.08 0.08 0.00 0.00 0.00 0.00 15:50:05 ens3 92.38 72.87 681.37 14.81 0.00 0.00 0.00 0.00 15:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:01 lo 574.74 574.74 547.27 547.27 0.00 0.00 0.00 0.00 16:00:01 ens3 78.18 58.71 331.78 16.92 0.00 0.00 0.00 0.00 16:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 190.71 190.71 181.28 181.28 0.00 0.00 0.00 0.00 Average: ens3 73.28 54.24 536.26 11.95 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-2357) 08/05/26 _x86_64_ (4 CPU) 15:28:15 LINUX RESTART (4 CPU) 15:30:01 CPU %user %nice %system %iowait %steal %idle 15:40:05 all 1.02 0.00 0.22 0.75 0.02 97.99 15:40:05 0 0.44 0.00 0.24 0.33 0.02 98.97 15:40:05 1 0.99 0.00 0.20 0.25 0.02 98.55 15:40:05 2 1.17 0.00 0.16 0.85 0.02 97.80 15:40:05 3 1.47 0.00 0.29 1.57 0.03 96.64 15:50:05 all 44.47 0.00 1.53 0.04 0.09 53.88 15:50:05 0 44.02 0.00 1.60 0.06 0.09 54.23 15:50:05 1 45.23 0.00 1.58 0.03 0.09 53.06 15:50:05 2 43.89 0.00 1.42 0.02 0.10 54.57 15:50:05 3 44.72 0.00 1.51 0.04 0.09 53.63 16:00:01 all 70.78 0.00 2.58 0.07 0.18 26.39 16:00:01 0 70.97 0.00 2.34 0.05 0.18 26.47 16:00:01 1 73.50 0.00 2.70 0.05 0.19 23.56 16:00:01 2 69.10 0.00 2.86 0.10 0.18 27.76 16:00:01 3 69.54 0.00 2.40 0.10 0.18 27.78 Average: all 38.57 0.00 1.44 0.29 0.10 59.60 Average: 0 38.32 0.00 1.39 0.15 0.10 60.05 Average: 1 39.73 0.00 1.49 0.11 0.10 58.58 Average: 2 37.85 0.00 1.47 0.33 0.10 60.25 Average: 3 38.40 0.00 1.40 0.58 0.10 59.53