---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3207 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: 5599.94 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 721 9540 4 5727 14925 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:a4:7d:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.225/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84441sec preferred_lft 84441sec inet6 fe80::f816:3eff:fea4:7d9d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:45:df:a7:25:32 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-3207) 08/07/26 _x86_64_ (4 CPU) 15:47:55 LINUX RESTART (4 CPU) 15:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:11 23.23 2.60 19.32 1.32 143.88 5157.44 3918.40 16:10:11 32.73 0.06 29.13 3.55 1.75 3303.67 31753.71 16:20:11 35.87 0.17 18.14 17.56 12.65 5735.17 234092.40 Average: 30.57 0.95 22.18 7.44 53.26 4734.44 89446.35 15:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:11 9127820 13029004 2926952 17.88 153400 3829796 3263056 18.73 724728 6094380 182396 16:10:11 8639664 12935448 3017196 18.43 179984 4158360 3310908 19.00 850992 6400348 80 16:20:11 9807824 15315420 631152 3.85 201760 5280780 1169092 6.71 937804 5068100 11964 Average: 9191769 13759957 2191767 13.39 178381 4422979 2581019 14.82 837841 5854276 64813 15:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:11 lo 641.85 641.85 611.83 611.83 0.00 0.00 0.00 0.00 16:00:11 ens3 111.20 83.34 832.37 16.75 0.00 0.00 0.00 0.00 16:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:11 lo 1650.65 1650.65 1573.47 1573.47 0.00 0.00 0.00 0.00 16:10:11 ens3 50.94 40.46 139.34 11.74 0.00 0.00 0.00 0.00 16:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:11 lo 11.67 11.67 1.18 1.18 0.00 0.00 0.00 0.00 16:20:11 ens3 83.64 77.62 127.45 229.88 0.00 0.00 0.00 0.00 16:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 767.36 767.36 728.18 728.18 0.00 0.00 0.00 0.00 Average: ens3 82.09 67.23 368.96 85.74 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-3207) 08/07/26 _x86_64_ (4 CPU) 15:47:55 LINUX RESTART (4 CPU) 15:50:01 CPU %user %nice %system %iowait %steal %idle 16:00:11 all 51.16 0.00 1.77 0.07 0.09 46.91 16:00:11 0 50.21 0.00 1.72 0.08 0.09 47.90 16:00:11 1 51.78 0.00 1.80 0.05 0.09 46.28 16:00:11 2 51.75 0.00 1.77 0.09 0.09 46.30 16:00:11 3 50.90 0.00 1.78 0.06 0.09 47.17 16:10:11 all 58.49 0.00 2.56 0.06 0.10 38.79 16:10:11 0 58.16 0.00 2.45 0.04 0.11 39.25 16:10:11 1 59.74 0.00 2.64 0.05 0.10 37.46 16:10:11 2 57.47 0.00 2.68 0.04 0.10 39.71 16:10:11 3 58.60 0.00 2.46 0.10 0.10 38.73 16:20:11 all 42.62 0.00 1.53 0.09 0.08 55.68 16:20:11 0 38.65 0.00 1.63 0.09 0.08 59.55 16:20:11 1 46.65 0.00 1.80 0.19 0.08 51.27 16:20:11 2 45.19 0.00 1.38 0.04 0.08 53.32 16:20:11 3 40.00 0.00 1.29 0.05 0.08 58.58 Average: all 50.76 0.00 1.95 0.07 0.09 47.13 Average: 0 49.01 0.00 1.93 0.07 0.09 48.89 Average: 1 52.72 0.00 2.08 0.10 0.09 45.02 Average: 2 51.47 0.00 1.94 0.06 0.09 46.45 Average: 3 49.83 0.00 1.84 0.07 0.09 48.16