---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8542 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 UTC 2025 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 disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: 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 66G 16% / 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 614 8721 4 6653 15032 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:56:d1:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.100/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82712sec preferred_lft 82712sec inet6 fe80::f816:3eff:fe56:d1fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:cf:af:e6:5b:95 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-8542) 11/13/25 _x86_64_ (4 CPU) 10:41:00 LINUX RESTART (4 CPU) 10:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:12 1.31 0.00 1.28 0.02 0.04 17.23 502.80 11:10:01 2.15 0.33 1.79 0.03 14.34 87.16 278.36 11:20:01 20.86 2.91 15.88 2.07 162.11 3509.30 9624.13 11:30:06 22.32 0.01 19.48 2.82 0.15 1931.77 20195.97 11:40:01 31.20 0.11 27.66 3.44 4.71 9979.41 15252.45 Average: 15.55 0.67 13.20 1.68 36.23 3090.53 9176.98 10:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:12 12802988 15550096 428272 2.62 95680 2845464 993912 5.71 573292 2667660 160 11:10:01 12778712 15537800 439872 2.69 98608 2853804 999104 5.73 582080 2695740 344 11:20:01 9912500 13492044 2466868 15.07 132280 3591428 2617704 15.03 879500 5207460 29624 11:30:06 9428036 13361460 2594920 15.85 147148 3900836 3034736 17.42 983712 5553452 34816 11:40:01 8938396 15390404 555900 3.40 175372 6303112 1110200 6.37 1837592 5081196 200 Average: 10772126 14666361 1297166 7.92 129818 3898929 1751131 10.05 971235 4241102 13029 10:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:12 ens3 0.56 0.12 0.11 0.04 0.00 0.00 0.00 0.00 11:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 0.19 0.19 0.02 0.02 0.00 0.00 0.00 0.00 11:10:01 ens3 9.56 8.14 92.87 1.41 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 1241.40 1241.40 1180.81 1180.81 0.00 0.00 0.00 0.00 11:20:01 ens3 89.73 71.15 776.72 15.48 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 1328.22 1328.22 1260.55 1260.55 0.00 0.00 0.00 0.00 11:30:06 ens3 36.56 29.54 17.37 10.63 0.00 0.00 0.00 0.00 11:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 857.92 857.92 808.70 808.70 0.00 0.00 0.00 0.00 11:40:01 ens3 75.71 78.70 160.54 640.17 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 686.26 686.26 650.68 650.68 0.00 0.00 0.00 0.00 Average: ens3 42.33 37.42 209.04 132.43 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 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-8542) 11/13/25 _x86_64_ (4 CPU) 10:41:00 LINUX RESTART (4 CPU) 10:50:01 CPU %user %nice %system %iowait %steal %idle 11:00:12 all 0.16 0.00 0.02 0.63 0.02 99.18 11:00:12 0 0.01 0.00 0.03 2.22 0.01 97.72 11:00:12 1 0.35 0.00 0.01 0.00 0.01 99.62 11:00:12 2 0.05 0.00 0.02 0.00 0.02 99.91 11:00:12 3 0.22 0.00 0.02 0.28 0.02 99.46 11:10:01 all 0.15 0.00 0.06 0.03 0.06 99.71 11:10:01 0 0.09 0.00 0.04 0.07 0.20 99.60 11:10:01 1 0.16 0.00 0.07 0.01 0.02 99.74 11:10:01 2 0.17 0.00 0.06 0.00 0.02 99.75 11:10:01 3 0.17 0.00 0.05 0.02 0.01 99.75 11:20:01 all 43.71 0.00 1.86 8.76 0.10 45.57 11:20:01 0 43.30 0.00 2.00 8.84 0.10 45.76 11:20:01 1 45.54 0.00 1.61 6.51 0.09 46.25 11:20:01 2 42.89 0.00 2.11 6.15 0.10 48.75 11:20:01 3 43.11 0.00 1.72 13.53 0.10 41.54 11:30:06 all 60.12 0.00 2.37 3.65 0.14 33.72 11:30:06 0 60.93 0.00 2.28 4.34 0.14 32.31 11:30:06 1 58.13 0.00 2.21 3.61 0.14 35.91 11:30:06 2 60.45 0.00 2.22 3.80 0.13 33.40 11:30:06 3 60.95 0.00 2.78 2.86 0.14 33.27 11:40:01 all 46.96 0.00 2.13 2.57 0.10 48.24 11:40:01 0 44.41 0.00 2.14 2.62 0.09 50.74 11:40:01 1 50.30 0.00 2.11 2.33 0.09 45.17 11:40:01 2 52.51 0.00 2.23 2.11 0.10 43.04 11:40:01 3 40.61 0.00 2.04 3.23 0.10 54.03 Average: all 30.14 0.00 1.28 3.12 0.08 65.37 Average: 0 29.67 0.00 1.29 3.62 0.11 65.30 Average: 1 30.81 0.00 1.20 2.49 0.07 65.43 Average: 2 31.13 0.00 1.32 2.41 0.08 65.06 Average: 3 28.94 0.00 1.32 3.98 0.07 65.69