---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20846 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 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 640 8716 4 6632 15006 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:13:33:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84008sec preferred_lft 84008sec inet6 fe80::f816:3eff:fe13:3318/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:b8:66:b5:1b:e5 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-20846) 05/28/26 _x86_64_ (4 CPU) 05:21:20 LINUX RESTART (4 CPU) 05:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:12 21.54 0.06 18.86 2.62 6.25 2082.13 6137.01 05:50:01 32.92 0.01 29.58 3.33 0.22 2569.47 15659.69 06:00:11 12.86 0.32 11.05 1.49 14.02 7436.07 1010.28 Average: 22.32 0.13 19.72 2.47 6.91 4056.61 7509.81 05:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:12 9353140 13229048 2727648 16.66 143184 3841836 2830224 16.25 833960 5787540 23712 05:50:01 8172168 13058460 2893644 17.67 162640 4785964 2940000 16.88 1111804 6636152 590532 06:00:11 9005296 15439984 505992 3.09 178056 6267788 1015740 5.83 1697896 5144840 11596 Average: 8843535 13909164 2042428 12.47 161293 4965196 2261988 12.98 1214553 5856177 208613 05:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:12 lo 1389.92 1389.92 1317.73 1317.73 0.00 0.00 0.00 0.00 05:40:12 ens3 38.99 32.29 26.11 11.76 0.00 0.00 0.00 0.00 05:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1495.41 1495.41 1424.59 1424.59 0.00 0.00 0.00 0.00 05:50:01 ens3 41.28 31.76 39.20 11.35 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:11 lo 364.77 364.77 6726.71 6726.71 0.00 0.00 0.00 0.00 06:00:11 ens3 88.82 94.91 114.47 985.91 0.00 0.00 0.00 0.00 06:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1076.80 1076.80 3186.57 3186.57 0.00 0.00 0.00 0.00 Average: ens3 56.63 53.35 60.35 341.91 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-20846) 05/28/26 _x86_64_ (4 CPU) 05:21:20 LINUX RESTART (4 CPU) 05:30:10 CPU %user %nice %system %iowait %steal %idle 05:40:12 all 62.84 0.00 2.22 6.21 0.11 28.62 05:40:12 0 62.69 0.00 2.22 8.15 0.11 26.82 05:40:12 1 63.85 0.00 2.08 5.69 0.11 28.26 05:40:12 2 62.80 0.00 2.33 5.65 0.11 29.12 05:40:12 3 62.03 0.00 2.23 5.35 0.10 30.29 05:50:01 all 63.21 0.00 2.57 0.33 0.12 33.77 05:50:01 0 62.28 0.00 2.73 0.29 0.12 34.58 05:50:01 1 63.14 0.00 2.50 0.54 0.12 33.70 05:50:01 2 63.60 0.00 2.61 0.31 0.12 33.35 05:50:01 3 63.82 0.00 2.44 0.19 0.12 33.44 06:00:11 all 28.54 0.00 1.04 2.35 0.09 67.98 06:00:11 0 23.60 0.00 0.81 3.73 0.08 71.78 06:00:11 1 35.12 0.00 1.10 1.75 0.08 61.95 06:00:11 2 29.95 0.00 0.74 2.53 0.09 66.69 06:00:11 3 25.52 0.00 1.51 1.40 0.09 71.48 Average: all 51.31 0.00 1.93 2.98 0.10 43.67 Average: 0 49.25 0.00 1.91 4.08 0.10 44.65 Average: 1 53.86 0.00 1.89 2.67 0.10 41.48 Average: 2 51.92 0.00 1.88 2.85 0.11 43.25 Average: 3 50.23 0.00 2.05 2.33 0.10 45.29