---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11951 5.15.0-161-generic #171-Ubuntu SMP Sat Oct 11 08:17:01 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 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 66G 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 640 9260 4 6087 15005 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:a6:1f:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.102/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83299sec preferred_lft 83299sec inet6 fe80::f816:3eff:fea6:1ff5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:7e:c7:2e:ce:d7 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11951) 12/09/25 _x86_64_ (4 CPU) 10:57:45 LINUX RESTART (4 CPU) 11:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:25 6.38 0.56 5.31 0.50 599.03 887.53 16760.02 11:20:05 32.71 2.26 29.84 0.62 131.10 2138.54 1766.34 11:30:06 25.76 2.52 20.23 3.02 145.48 3360.75 58741.97 11:40:05 21.31 0.16 18.16 2.99 4.99 1580.18 26236.41 Average: 21.39 1.36 18.24 1.79 222.36 1986.48 26042.92 11:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:25 13388908 15517512 494936 3.02 60116 2291964 1139880 6.54 389016 2332316 8 11:20:05 12863940 15532000 447172 2.73 95692 2766960 985648 5.66 515004 2678652 540 11:30:06 9409536 13066336 2891152 17.66 130932 3650132 3173544 18.22 855948 5718780 960 11:40:05 8866744 12883076 3071344 18.76 151660 3961472 3319032 19.05 985816 6102784 27976 Average: 11132282 14249731 1726151 10.54 109600 3167632 2154526 12.37 686446 4208133 7371 11:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:25 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 11:10:25 ens3 11.85 5.28 268.78 0.43 0.00 0.00 0.00 0.00 11:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:05 lo 0.28 0.28 0.04 0.04 0.00 0.00 0.00 0.00 11:20:05 ens3 42.13 29.60 288.41 7.33 0.00 0.00 0.00 0.00 11:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:06 lo 21.39 21.39 4.85 4.85 0.00 0.00 0.00 0.00 11:30:06 ens3 53.74 46.26 501.22 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 11:40:05 lo 1151.92 1151.92 1067.77 1067.77 0.00 0.00 0.00 0.00 11:40:05 ens3 32.58 24.06 248.50 7.07 0.00 0.00 0.00 0.00 11:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 294.59 294.59 269.22 269.22 0.00 0.00 0.00 0.00 Average: ens3 34.93 26.19 326.85 6.33 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 5.15.0-161-generic (prd-ubuntu2204-docker-4c-4g-11951) 12/09/25 _x86_64_ (4 CPU) 10:57:45 LINUX RESTART (4 CPU) 11:00:16 CPU %user %nice %system %iowait %steal %idle 11:10:25 all 0.53 0.00 0.16 0.15 0.02 99.14 11:10:25 0 0.44 0.00 0.22 0.43 0.03 98.89 11:10:25 1 0.29 0.00 0.15 0.07 0.03 99.46 11:10:25 2 0.46 0.00 0.15 0.06 0.01 99.31 11:10:25 3 0.92 0.00 0.13 0.03 0.02 98.89 11:20:05 all 2.94 0.00 0.34 0.24 0.03 96.45 11:20:05 0 3.50 0.00 0.34 0.44 0.04 95.68 11:20:05 1 1.85 0.00 0.32 0.17 0.03 97.64 11:20:05 2 3.04 0.00 0.37 0.07 0.03 96.50 11:20:05 3 3.38 0.00 0.33 0.28 0.03 95.98 11:30:06 all 38.27 0.00 1.38 0.15 0.08 60.12 11:30:06 0 37.08 0.00 1.12 0.06 0.08 61.66 11:30:06 1 38.47 0.00 1.01 0.09 0.08 60.36 11:30:06 2 38.88 0.00 1.44 0.32 0.09 59.27 11:30:06 3 38.64 0.00 1.93 0.14 0.08 59.20 11:40:05 all 25.64 0.00 1.49 0.07 0.08 72.72 11:40:05 0 25.29 0.00 1.54 0.07 0.08 73.02 11:40:05 1 25.00 0.00 1.68 0.13 0.08 73.11 11:40:05 2 25.69 0.00 1.33 0.03 0.08 72.86 11:40:05 3 26.57 0.00 1.41 0.04 0.08 71.90 Average: all 16.87 0.00 0.84 0.15 0.05 82.08 Average: 0 16.61 0.00 0.81 0.25 0.06 82.28 Average: 1 16.44 0.00 0.79 0.11 0.06 82.60 Average: 2 17.05 0.00 0.82 0.12 0.05 81.95 Average: 3 17.38 0.00 0.95 0.12 0.05 81.50