---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8424 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 67G 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 704 9676 4 5609 14942 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:85:4a:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:fe85:4a20/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:ea:4d:e9:d6:41 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-8424) 04/27/26 _x86_64_ (4 CPU) 08:39:48 LINUX RESTART (4 CPU) 08:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:11 59.06 11.53 45.93 1.61 1508.72 15808.54 2545.66 09:00:11 48.74 0.03 31.52 17.19 1.16 3966.89 256326.00 09:10:09 26.37 0.30 23.24 2.83 11.97 5986.38 112563.17 Average: 44.85 4.01 33.66 7.18 514.43 8637.37 123050.41 08:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:11 9691156 13349928 2607804 15.93 149588 3605236 3136304 18.00 673824 5600676 93380 09:00:11 9164692 13303428 2649652 16.18 176648 4014948 2907760 16.69 830880 5905540 13836 09:10:09 9985800 15367012 579708 3.54 198860 5165904 1107824 6.36 921712 4903172 12 Average: 9613883 14006789 1945721 11.88 175032 4262029 2383963 13.68 808805 5469796 35743 08:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:11 lo 400.43 400.43 381.17 381.17 0.00 0.00 0.00 0.00 08:50:11 ens3 148.40 110.52 1119.53 23.85 0.00 0.00 0.00 0.00 08:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:11 lo 1770.81 1770.81 1688.41 1688.41 0.00 0.00 0.00 0.00 09:00:11 ens3 48.96 37.80 139.40 11.41 0.00 0.00 0.00 0.00 09:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:09 lo 117.99 117.99 104.42 104.42 0.00 0.00 0.00 0.00 09:10:09 ens3 68.91 67.25 117.68 206.84 0.00 0.00 0.00 0.00 09:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 761.69 761.69 723.37 723.37 0.00 0.00 0.00 0.00 Average: ens3 89.17 72.11 463.60 80.15 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-8424) 04/27/26 _x86_64_ (4 CPU) 08:39:48 LINUX RESTART (4 CPU) 08:40:00 CPU %user %nice %system %iowait %steal %idle 08:50:11 all 49.03 0.00 1.97 1.60 0.10 47.30 08:50:11 0 47.14 0.00 1.80 1.81 0.10 49.16 08:50:11 1 50.48 0.00 2.09 1.93 0.11 45.40 08:50:11 2 48.14 0.00 1.90 0.72 0.10 49.14 08:50:11 3 50.35 0.00 2.09 1.95 0.10 45.51 09:00:11 all 60.86 0.00 2.60 0.23 0.13 36.18 09:00:11 0 59.99 0.00 2.54 0.30 0.13 37.05 09:00:11 1 61.14 0.00 2.49 0.16 0.13 36.07 09:00:11 2 61.03 0.00 2.58 0.28 0.13 35.98 09:00:11 3 61.28 0.00 2.80 0.17 0.13 35.63 09:10:09 all 48.01 0.00 1.61 0.12 0.10 50.16 09:10:09 0 44.99 0.00 1.78 0.13 0.10 53.01 09:10:09 1 49.70 0.00 1.58 0.03 0.10 48.59 09:10:09 2 46.50 0.00 1.48 0.18 0.10 51.74 09:10:09 3 50.84 0.00 1.61 0.15 0.10 47.30 Average: all 52.61 0.00 2.06 0.66 0.11 44.56 Average: 0 50.68 0.00 2.03 0.75 0.11 46.42 Average: 1 53.75 0.00 2.05 0.72 0.11 43.37 Average: 2 51.87 0.00 1.99 0.39 0.11 45.64 Average: 3 54.13 0.00 2.16 0.77 0.11 42.83