---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12903 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: 5599.94 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 11G 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 750 9695 4 5542 14895 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:2d:e1:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84440sec preferred_lft 84440sec inet6 fe80::f816:3eff:fe2d:e1b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:25:2e:9c:c6:b3 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-12903) 05/12/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:03 22.43 3.55 17.72 1.16 182.98 5353.97 3368.24 06:50:03 48.26 0.05 30.93 17.29 1.44 3164.92 254903.84 07:00:01 21.10 0.30 18.06 2.74 11.83 5701.92 72119.70 Average: 30.59 1.30 22.23 7.06 65.59 4740.05 110050.39 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:03 9222204 12918220 3039152 18.56 149940 3640884 3347644 19.22 681644 6053128 127716 06:50:03 9064420 13199760 2753312 16.82 176408 4013140 3246260 18.63 826188 6011652 14792 07:00:01 10054760 15368392 578244 3.53 198332 5101008 1146368 6.58 913360 4858352 2380 Average: 9447128 13828791 2123569 12.97 174893 4251677 2580091 14.81 807064 5641044 48296 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:03 lo 473.14 473.14 450.58 450.58 0.00 0.00 0.00 0.00 06:40:03 ens3 104.79 79.80 885.98 17.53 0.00 0.00 0.00 0.00 06:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:03 lo 1602.30 1602.30 1527.54 1527.54 0.00 0.00 0.00 0.00 06:50:03 ens3 41.48 34.38 117.33 10.74 0.00 0.00 0.00 0.00 06:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 105.14 105.14 90.06 90.06 0.00 0.00 0.00 0.00 07:00:01 ens3 84.16 81.00 123.90 231.68 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 727.16 727.16 689.68 689.68 0.00 0.00 0.00 0.00 Average: ens3 76.83 65.06 376.52 86.44 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-12903) 05/12/26 _x86_64_ (4 CPU) 06:28:18 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:03 all 51.18 0.00 1.90 0.09 0.12 46.70 06:40:03 0 48.36 0.00 2.36 0.10 0.12 49.06 06:40:03 1 51.18 0.00 1.77 0.13 0.11 46.81 06:40:03 2 54.01 0.00 1.83 0.04 0.12 44.00 06:40:03 3 51.18 0.00 1.65 0.09 0.12 46.95 06:50:03 all 60.64 0.00 2.60 0.10 0.12 36.54 06:50:03 0 60.40 0.00 2.58 0.06 0.12 36.84 06:50:03 1 60.51 0.00 2.38 0.10 0.12 36.88 06:50:03 2 62.30 0.00 2.64 0.12 0.12 34.81 06:50:03 3 59.34 0.00 2.81 0.11 0.12 37.62 07:00:01 all 49.54 0.00 1.72 0.12 0.10 48.51 07:00:01 0 47.89 0.00 1.35 0.08 0.10 50.59 07:00:01 1 50.06 0.00 2.13 0.26 0.11 47.44 07:00:01 2 50.15 0.00 1.78 0.03 0.11 47.93 07:00:01 3 50.05 0.00 1.63 0.12 0.11 48.09 Average: all 53.78 0.00 2.08 0.10 0.12 43.92 Average: 0 52.21 0.00 2.10 0.08 0.11 45.50 Average: 1 53.91 0.00 2.09 0.17 0.11 43.72 Average: 2 55.49 0.00 2.08 0.06 0.12 42.25 Average: 3 53.52 0.00 2.03 0.11 0.12 44.22