---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23102 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 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: 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 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 661 8934 4 6393 14985 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:02:57:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82850sec preferred_lft 82850sec inet6 fe80::f816:3eff:fe02:5788/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:b4:6a:62:94:38 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23102) 01/08/26 _x86_64_ (4 CPU) 10:08:17 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:10 3.92 0.41 3.30 0.21 397.91 392.61 6003.13 10:30:12 1.31 0.00 1.30 0.00 0.04 15.57 0.00 10:40:01 31.04 2.21 28.22 0.61 128.71 2121.77 1043.82 10:50:11 28.75 2.89 23.07 2.79 158.46 3344.67 4976.76 11:00:01 31.03 0.02 27.70 3.31 0.31 2524.50 11179.33 Average: 19.10 1.11 16.61 1.38 138.42 1676.01 4634.71 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:10 13578824 15516720 500092 3.05 56876 2106392 1137792 6.53 329592 2209636 36 10:30:12 13577872 15516404 500436 3.06 57372 2106524 1137968 6.53 330088 2211016 36 10:40:01 13038480 15531048 451128 2.76 94624 2593464 981440 5.63 447136 2578208 68 10:50:11 10031680 13440896 2519084 15.39 136284 3413252 2715964 15.59 787672 5189412 24440 11:00:01 8477808 12550276 3405724 20.80 156556 4011256 3567948 20.48 936252 6538392 251076 Average: 11740933 14511069 1475293 9.01 100342 2846178 1908222 10.95 566148 3745333 55131 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:10 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 10:20:10 ens3 5.36 2.30 125.32 0.22 0.00 0.00 0.00 0.00 10:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:12 ens3 0.43 0.14 0.10 0.06 0.00 0.00 0.00 0.00 10:30:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 0.27 0.27 0.04 0.04 0.00 0.00 0.00 0.00 10:40:01 ens3 44.44 31.09 266.64 7.38 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:11 lo 1408.61 1408.61 1335.56 1335.56 0.00 0.00 0.00 0.00 10:50:11 ens3 103.32 80.27 762.16 17.93 0.00 0.00 0.00 0.00 10:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 1349.51 1349.51 1284.61 1284.61 0.00 0.00 0.00 0.00 11:00:01 ens3 43.19 35.86 57.38 13.22 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 551.92 551.92 524.21 524.21 0.00 0.00 0.00 0.00 Average: ens3 39.41 29.98 244.13 7.75 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-23102) 01/08/26 _x86_64_ (4 CPU) 10:08:17 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:10 all 0.51 0.00 0.09 0.11 0.02 99.27 10:20:10 0 0.22 0.00 0.08 0.29 0.02 99.39 10:20:10 1 1.16 0.00 0.10 0.02 0.02 98.70 10:20:10 2 0.23 0.00 0.09 0.11 0.01 99.57 10:20:10 3 0.43 0.00 0.10 0.03 0.03 99.42 10:30:12 all 0.09 0.00 0.02 0.45 0.02 99.41 10:30:12 0 0.02 0.00 0.02 1.47 0.01 98.48 10:30:12 1 0.30 0.00 0.02 0.00 0.03 99.65 10:30:12 2 0.02 0.00 0.03 0.33 0.02 99.60 10:30:12 3 0.02 0.00 0.02 0.01 0.02 99.93 10:40:01 all 2.75 0.00 0.30 0.88 0.02 96.05 10:40:01 0 1.03 0.00 0.28 0.30 0.02 98.38 10:40:01 1 4.96 0.00 0.43 1.40 0.03 93.18 10:40:01 2 4.17 0.00 0.34 1.68 0.02 93.79 10:40:01 3 0.84 0.00 0.16 0.13 0.02 98.85 10:50:11 all 54.51 0.00 2.27 0.20 0.11 42.91 10:50:11 0 54.14 0.00 2.53 0.25 0.11 42.98 10:50:11 1 55.35 0.00 2.10 0.19 0.11 42.25 10:50:11 2 53.42 0.00 2.44 0.21 0.11 43.82 10:50:11 3 55.11 0.00 2.03 0.16 0.11 42.59 11:00:01 all 63.50 0.00 2.48 0.48 0.12 33.42 11:00:01 0 61.71 0.00 2.45 0.40 0.12 35.31 11:00:01 1 62.95 0.00 2.21 0.84 0.12 33.88 11:00:01 2 63.50 0.00 2.70 0.31 0.12 33.36 11:00:01 3 65.85 0.00 2.54 0.37 0.11 31.13 Average: all 24.17 0.00 1.03 0.42 0.06 74.32 Average: 0 23.34 0.00 1.07 0.54 0.05 74.99 Average: 1 24.82 0.00 0.97 0.48 0.06 73.67 Average: 2 24.16 0.00 1.12 0.52 0.06 74.15 Average: 3 24.35 0.00 0.97 0.14 0.06 74.49