---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11432 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 13G 65G 17% / 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 668 8283 4 7036 14978 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:88:23:24 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83159sec preferred_lft 83159sec inet6 fe80::f816:3eff:fe88:2324/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:f7:e6:de:fa:7e 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11432) 05/06/26 _x86_64_ (4 CPU) 13:08:02 LINUX RESTART (4 CPU) 13:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:01 3.74 0.10 3.36 0.28 3.82 262.98 321.66 13:30:19 60.29 5.03 52.73 2.53 286.31 5756.45 4537.39 13:40:01 25.33 0.02 22.45 2.86 0.25 2618.62 48158.56 13:50:01 26.74 0.03 24.16 2.54 0.72 4276.18 24344.30 14:00:19 13.62 0.29 11.97 1.37 11.08 7206.25 48811.95 Average: 26.11 1.12 23.08 1.92 61.91 4066.43 25154.09 13:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:01 13651212 15498276 518640 3.17 57012 2015960 1137532 6.53 229908 2229568 132 13:30:19 9713656 13298188 2660976 16.25 138836 3574284 2747004 15.77 682728 5594692 110724 13:40:01 9000836 12913284 3042772 18.58 153008 3860888 3056488 17.54 782512 6176504 111208 13:50:01 7548564 12327044 3624800 22.14 167368 4674452 3409348 19.57 1039232 7314836 1984 14:00:19 8609236 15454548 489940 2.99 183776 6658692 991228 5.69 1789856 5421948 140 Average: 9704701 13898268 2067426 12.63 140000 4156855 2268320 13.02 904847 5347510 44838 13:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 13:20:01 ens3 4.65 2.13 85.26 0.18 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:19 lo 1052.62 1052.62 997.31 997.31 0.00 0.00 0.00 0.00 13:30:19 ens3 145.51 112.62 1255.34 23.55 0.00 0.00 0.00 0.00 13:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 1307.32 1307.32 1245.37 1245.37 0.00 0.00 0.00 0.00 13:40:01 ens3 33.53 26.87 13.27 8.97 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 926.74 926.74 874.80 874.80 0.00 0.00 0.00 0.00 13:50:01 ens3 39.67 31.05 28.18 11.01 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:19 lo 2371.05 2371.05 9025.32 9025.32 0.00 0.00 0.00 0.00 14:00:19 ens3 86.31 98.39 143.29 1190.40 0.00 0.00 0.00 0.00 14:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1138.93 1138.93 2468.54 2468.54 0.00 0.00 0.00 0.00 Average: ens3 62.81 55.04 311.73 252.67 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-11432) 05/06/26 _x86_64_ (4 CPU) 13:08:02 LINUX RESTART (4 CPU) 13:10:06 CPU %user %nice %system %iowait %steal %idle 13:20:01 all 0.33 0.00 0.12 0.09 0.01 99.45 13:20:01 0 0.17 0.00 0.07 0.03 0.01 99.72 13:20:01 1 0.56 0.00 0.25 0.29 0.02 98.87 13:20:01 2 0.52 0.00 0.07 0.01 0.02 99.38 13:20:01 3 0.08 0.00 0.08 0.02 0.01 99.81 13:30:19 all 46.93 0.00 2.13 2.69 0.10 48.16 13:30:19 0 46.05 0.00 1.95 0.25 0.09 51.66 13:30:19 1 47.86 0.00 2.04 8.84 0.10 41.15 13:30:19 2 47.17 0.00 2.28 1.22 0.10 49.22 13:30:19 3 46.64 0.00 2.23 0.43 0.09 50.61 13:40:01 all 58.87 0.00 2.22 3.76 0.12 35.03 13:40:01 0 58.85 0.00 2.18 7.41 0.11 31.45 13:40:01 1 57.14 0.00 2.31 2.68 0.12 37.75 13:40:01 2 60.24 0.00 2.08 2.28 0.12 35.28 13:40:01 3 59.26 0.00 2.32 2.66 0.11 35.65 13:50:01 all 51.78 0.00 2.14 1.98 0.13 43.97 13:50:01 0 51.62 0.00 2.15 2.75 0.12 43.36 13:50:01 1 52.29 0.00 1.80 1.25 0.12 44.54 13:50:01 2 49.77 0.00 2.18 2.10 0.13 45.81 13:50:01 3 53.44 0.00 2.43 1.84 0.13 42.16 14:00:19 all 35.13 0.00 1.35 2.73 0.09 60.70 14:00:19 0 36.78 0.00 1.77 1.95 0.09 59.41 14:00:19 1 35.64 0.00 1.38 2.36 0.10 60.53 14:00:19 2 27.31 0.00 1.33 4.54 0.09 66.73 14:00:19 3 40.79 0.00 0.93 2.07 0.09 56.13 Average: all 38.53 0.00 1.59 2.25 0.09 57.54 Average: 0 38.63 0.00 1.63 2.43 0.08 57.23 Average: 1 38.63 0.00 1.55 3.12 0.09 56.60 Average: 2 36.88 0.00 1.59 2.04 0.09 59.39 Average: 3 39.98 0.00 1.59 1.39 0.09 56.94