---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3014 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 704 10415 4 4869 14942 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:69:6a:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83830sec preferred_lft 83830sec inet6 fe80::f816:3eff:fe69:6a9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:5e:c4:ae:27:8e 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-3014) 08/07/26 _x86_64_ (4 CPU) 07:48:45 LINUX RESTART (4 CPU) 07:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:28 10.48 0.90 9.25 0.34 37.99 1623.44 314.05 08:10:01 11.04 1.96 8.62 0.46 128.79 2302.93 688.46 08:20:28 19.62 0.79 16.88 1.95 28.12 3208.43 5611.29 08:30:04 16.50 0.24 13.26 3.00 11.93 2146.49 8885.73 Average: 14.47 0.97 12.07 1.43 50.87 2328.61 3862.77 07:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:28 12991808 15489688 484856 2.96 98916 2587856 999020 5.73 338992 2707892 104 08:10:01 10782512 13997540 1963848 11.99 126820 3222940 2559316 14.69 525084 4694980 35676 08:20:28 9019720 13247400 2705712 16.53 165664 4112320 2956152 16.97 761808 6135892 95392 08:30:04 10741072 15367544 583148 3.56 177024 4478964 1116444 6.41 903140 4227880 196 Average: 10883778 14525543 1434391 8.76 142106 3600520 1907733 10.95 632256 4441661 32842 07:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:28 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 08:00:28 ens3 27.26 22.17 302.40 3.58 0.00 0.00 0.00 0.00 08:00:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 08:10:01 ens3 85.38 69.98 732.66 13.59 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:28 lo 724.26 724.26 689.95 689.95 0.00 0.00 0.00 0.00 08:20:28 ens3 88.64 66.66 317.85 18.35 0.00 0.00 0.00 0.00 08:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:04 lo 1381.99 1381.99 1305.51 1305.51 0.00 0.00 0.00 0.00 08:30:04 ens3 69.00 71.23 157.54 150.89 0.00 0.00 0.00 0.00 08:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 523.82 523.82 496.17 496.17 0.00 0.00 0.00 0.00 Average: ens3 67.38 57.15 374.63 45.40 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-3014) 08/07/26 _x86_64_ (4 CPU) 07:48:45 LINUX RESTART (4 CPU) 07:50:15 CPU %user %nice %system %iowait %steal %idle 08:00:28 all 1.23 0.00 0.16 0.06 0.02 98.52 08:00:28 0 1.82 0.00 0.19 0.17 0.02 97.80 08:00:28 1 1.16 0.00 0.10 0.02 0.02 98.70 08:00:28 2 0.65 0.00 0.16 0.02 0.03 99.15 08:00:28 3 1.31 0.00 0.21 0.05 0.02 98.42 08:10:01 all 34.92 0.00 1.14 0.05 0.06 63.83 08:10:01 0 35.12 0.00 1.16 0.01 0.06 63.65 08:10:01 1 35.26 0.00 1.33 0.09 0.06 63.27 08:10:01 2 34.72 0.00 1.06 0.02 0.06 64.15 08:10:01 3 34.57 0.00 1.00 0.09 0.07 64.28 08:20:28 all 69.95 0.00 2.59 0.04 0.11 27.31 08:20:28 0 69.17 0.00 2.61 0.04 0.11 28.06 08:20:28 1 68.99 0.00 2.71 0.05 0.11 28.14 08:20:28 2 69.96 0.00 2.67 0.04 0.12 27.22 08:20:28 3 71.69 0.00 2.36 0.02 0.11 25.81 08:30:04 all 28.56 0.00 1.47 5.29 0.06 64.62 08:30:04 0 27.62 0.00 1.57 7.49 0.07 63.24 08:30:04 1 29.95 0.00 1.55 3.77 0.07 64.67 08:30:04 2 28.28 0.00 1.33 5.12 0.06 65.21 08:30:04 3 28.40 0.00 1.42 4.76 0.06 65.36 Average: all 33.93 0.00 1.35 1.32 0.07 63.34 Average: 0 33.71 0.00 1.39 1.87 0.06 62.97 Average: 1 34.08 0.00 1.43 0.95 0.06 63.48 Average: 2 33.67 0.00 1.32 1.25 0.07 63.70 Average: 3 34.27 0.00 1.25 1.19 0.07 63.22