---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36379 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 681 8896 4 6410 14965 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:23:15:4e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.85/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84554sec preferred_lft 84554sec inet6 fe80::f816:3eff:fe23:154e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:35:53:ff:11:5c 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-36379) 07/16/26 _x86_64_ (4 CPU) 09:32:11 LINUX RESTART (4 CPU) 09:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:02 26.76 0.02 23.72 3.03 0.21 2187.50 9940.88 10:00:02 21.31 0.03 19.40 1.88 0.36 3830.89 8533.21 Average: 24.04 0.02 21.56 2.46 0.29 3008.38 9237.75 09:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:02 9319692 13110972 2845432 17.38 146328 3746436 3046876 17.49 723356 5929560 32276 10:00:02 5836740 10501084 5451600 33.30 158720 4570300 5300488 30.42 979772 9068968 188 Average: 7578216 11806028 4148516 25.34 152524 4158368 4173682 23.96 851564 7499264 16232 09:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:02 lo 1541.74 1541.74 1464.52 1464.52 0.00 0.00 0.00 0.00 09:50:02 ens3 23.92 21.59 11.42 7.90 0.00 0.00 0.00 0.00 09:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:02 lo 853.46 853.46 5229.00 5229.00 0.00 0.00 0.00 0.00 10:00:02 ens3 16.93 15.42 31.22 5.26 0.00 0.00 0.00 0.00 10:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1197.94 1197.94 3344.88 3344.88 0.00 0.00 0.00 0.00 Average: ens3 20.43 18.51 21.31 6.58 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-36379) 07/16/26 _x86_64_ (4 CPU) 09:32:11 LINUX RESTART (4 CPU) 09:40:01 CPU %user %nice %system %iowait %steal %idle 09:50:02 all 64.79 0.00 2.45 0.56 0.12 32.08 09:50:02 0 63.69 0.00 2.51 0.85 0.12 32.83 09:50:02 1 66.10 0.00 2.57 0.69 0.11 30.53 09:50:02 2 65.14 0.00 2.32 0.39 0.12 32.03 09:50:02 3 64.25 0.00 2.41 0.32 0.12 32.91 10:00:02 all 49.76 0.00 1.80 0.34 0.10 48.00 10:00:02 0 48.05 0.00 1.74 0.23 0.10 49.88 10:00:02 1 52.92 0.00 1.92 0.64 0.10 44.42 10:00:02 2 48.32 0.00 1.65 0.31 0.10 49.61 10:00:02 3 49.75 0.00 1.88 0.19 0.10 48.08 Average: all 57.27 0.00 2.13 0.45 0.11 40.04 Average: 0 55.87 0.00 2.13 0.54 0.11 41.36 Average: 1 59.50 0.00 2.25 0.66 0.11 37.48 Average: 2 56.72 0.00 1.98 0.35 0.11 40.83 Average: 3 57.00 0.00 2.15 0.25 0.11 40.49