---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29572 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 663 8298 4 7027 14983 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:95:90:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83830sec preferred_lft 83830sec inet6 fe80::f816:3eff:fe95:90ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:09:72:86:b4:fe 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-29572) 06/22/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:03 21.73 0.08 19.23 2.42 6.67 2115.92 3913.84 19:30:01 32.28 0.03 28.94 3.31 0.43 4511.08 9232.75 19:40:07 25.43 0.30 10.12 15.01 11.72 6185.03 245533.71 Average: 26.47 0.14 19.39 6.95 6.30 4276.68 86862.57 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:03 9451616 13184744 2771928 16.93 146708 3691260 2667756 15.31 721952 5770972 17308 19:30:01 7688944 12445132 3507148 21.42 165112 4650556 3323176 19.07 1004692 7216256 132 19:40:07 8537516 15373360 572864 3.50 183528 6644688 1109292 6.37 1760548 5518548 346784 Average: 8559359 13667745 2283980 13.95 165116 4995501 2366741 13.59 1162397 6168592 121408 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:03 lo 1084.32 1084.32 1026.59 1026.59 0.00 0.00 0.00 0.00 19:20:03 ens3 37.14 31.42 44.14 10.65 0.00 0.00 0.00 0.00 19:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1246.23 1246.23 1184.36 1184.36 0.00 0.00 0.00 0.00 19:30:01 ens3 47.66 36.87 31.10 12.80 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:07 lo 2528.28 2528.28 9198.38 9198.38 0.00 0.00 0.00 0.00 19:40:07 ens3 23.44 20.32 125.61 4.96 0.00 0.00 0.00 0.00 19:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1623.14 1623.14 3824.66 3824.66 0.00 0.00 0.00 0.00 Average: ens3 36.02 29.50 67.20 9.45 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-29572) 06/22/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:03 all 64.65 0.00 2.09 0.04 0.09 33.13 19:20:03 0 64.31 0.00 2.04 0.04 0.09 33.53 19:20:03 1 66.41 0.00 2.00 0.04 0.09 31.47 19:20:03 2 64.28 0.00 2.24 0.04 0.09 33.35 19:20:03 3 63.59 0.00 2.08 0.06 0.09 34.19 19:30:01 all 60.81 0.00 2.42 0.19 0.11 36.47 19:30:01 0 57.87 0.00 2.62 0.20 0.11 39.19 19:30:01 1 61.60 0.00 2.34 0.17 0.11 35.79 19:30:01 2 62.41 0.00 2.40 0.15 0.11 34.93 19:30:01 3 61.37 0.00 2.32 0.23 0.11 35.97 19:40:07 all 33.05 0.00 1.37 0.17 0.09 65.32 19:40:07 0 35.31 0.00 1.23 0.42 0.09 62.95 19:40:07 1 31.88 0.00 1.35 0.13 0.09 66.56 19:40:07 2 31.48 0.00 1.49 0.09 0.08 66.86 19:40:07 3 33.55 0.00 1.41 0.04 0.08 64.92 Average: all 52.75 0.00 1.96 0.13 0.09 45.07 Average: 0 52.42 0.00 1.96 0.22 0.10 45.30 Average: 1 53.21 0.00 1.89 0.11 0.09 44.70 Average: 2 52.62 0.00 2.04 0.10 0.09 45.15 Average: 3 52.75 0.00 1.93 0.11 0.09 45.11