---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38439 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 677 8169 4 7142 14969 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:02:fc:84 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.56/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83705sec preferred_lft 83705sec inet6 fe80::f816:3eff:fe02:fc84/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:6a:0e:f6:78:07 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-38439) 07/24/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:10 23.84 0.43 20.63 2.78 19.58 3031.19 16049.66 19:30:03 35.69 0.01 32.07 3.61 0.18 2589.04 33002.77 19:40:03 5.31 0.02 4.99 0.30 0.32 2850.30 4434.56 Average: 21.57 0.16 19.18 2.23 6.76 2825.10 17764.78 19:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:10 8512524 12257416 3699432 22.59 141908 3714160 3656804 20.99 726528 6740444 2148 19:30:03 8096812 12482028 3470476 21.20 171080 4283688 3434136 19.71 884016 6948028 228388 19:40:03 8087692 12952852 2998268 18.31 172196 4749172 2889568 16.59 1058012 6731984 1700 Average: 8232343 12564099 3389392 20.70 161728 4249007 3326836 19.10 889519 6806819 77412 19:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:10 lo 1397.54 1397.54 1325.09 1325.09 0.00 0.00 0.00 0.00 19:20:10 ens3 54.05 46.76 77.18 14.69 0.00 0.00 0.00 0.00 19:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 1698.91 1698.91 1618.27 1618.27 0.00 0.00 0.00 0.00 19:30:03 ens3 44.49 34.63 22.73 12.03 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:03 lo 2561.28 2561.28 9293.39 9293.39 0.00 0.00 0.00 0.00 19:40:03 ens3 15.30 10.79 8.95 3.45 0.00 0.00 0.00 0.00 19:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1885.00 1885.00 4079.17 4079.17 0.00 0.00 0.00 0.00 Average: ens3 37.98 30.77 36.48 10.06 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-38439) 07/24/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:04 CPU %user %nice %system %iowait %steal %idle 19:20:10 all 66.27 0.00 2.28 0.14 0.09 31.21 19:20:10 0 66.82 0.00 2.37 0.08 0.09 30.63 19:20:10 1 65.86 0.00 2.36 0.13 0.09 31.56 19:20:10 2 65.15 0.00 2.44 0.09 0.09 32.23 19:20:10 3 67.27 0.00 1.96 0.25 0.09 30.43 19:30:03 all 64.40 0.00 2.61 0.19 0.10 32.70 19:30:03 0 64.87 0.00 2.74 0.12 0.10 32.17 19:30:03 1 64.55 0.00 2.50 0.16 0.10 32.70 19:30:03 2 64.78 0.00 2.55 0.31 0.10 32.27 19:30:03 3 63.41 0.00 2.63 0.19 0.10 33.67 19:40:03 all 31.92 0.00 1.19 0.37 0.08 66.44 19:40:03 0 31.04 0.00 1.07 0.39 0.08 67.43 19:40:03 1 38.23 0.00 1.11 0.22 0.09 60.36 19:40:03 2 33.82 0.00 1.56 0.48 0.09 64.05 19:40:03 3 24.61 0.00 1.02 0.40 0.08 73.90 Average: all 54.18 0.00 2.02 0.23 0.09 43.47 Average: 0 54.23 0.00 2.06 0.20 0.09 43.43 Average: 1 56.20 0.00 1.99 0.17 0.09 41.55 Average: 2 54.56 0.00 2.18 0.29 0.09 42.88 Average: 3 51.75 0.00 1.87 0.28 0.09 46.01