---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36071 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 729 9338 4 5920 14917 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:98:ed:f5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.165/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84181sec preferred_lft 84181sec inet6 fe80::f816:3eff:fe98:edf5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:69:56:67:3a:f7 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-36071) 07/15/26 _x86_64_ (4 CPU) 12:35:34 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:03 40.70 2.31 23.06 15.33 159.00 5624.04 252853.36 13:00:03 31.98 0.05 28.70 3.23 1.37 3019.86 16728.56 13:10:01 22.31 0.15 19.34 2.83 9.97 5989.57 95918.80 Average: 31.69 0.84 23.70 7.15 56.97 4877.08 122020.64 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:03 9598260 13547540 2407616 14.70 160112 3871480 2643248 15.17 728108 5603108 22500 13:00:03 9029256 13482576 2468168 15.07 184716 4308304 2706748 15.54 855896 6009948 12572 13:10:01 9639964 15340916 603736 3.69 206520 5463048 1108200 6.36 946648 5203848 156 Average: 9422493 14123677 1826507 11.16 183783 4547611 2152732 12.36 843551 5605635 11743 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:03 lo 777.87 777.87 740.98 740.98 0.00 0.00 0.00 0.00 12:50:03 ens3 101.29 58.82 694.34 13.84 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 1586.89 1586.89 1513.17 1513.17 0.00 0.00 0.00 0.00 13:00:03 ens3 39.97 29.11 136.28 8.70 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 110.36 110.36 99.50 99.50 0.00 0.00 0.00 0.00 13:10:01 ens3 56.33 51.16 112.58 162.52 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 826.01 826.01 785.48 785.48 0.00 0.00 0.00 0.00 Average: ens3 65.92 46.37 315.13 61.49 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-36071) 07/15/26 _x86_64_ (4 CPU) 12:35:34 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:03 all 58.20 0.00 2.17 7.81 0.16 31.67 12:50:03 0 56.32 0.00 2.05 7.94 0.15 33.54 12:50:03 1 58.21 0.00 2.15 13.70 0.16 25.78 12:50:03 2 61.19 0.00 2.43 4.30 0.17 31.91 12:50:03 3 57.07 0.00 2.03 5.28 0.17 35.45 13:00:03 all 57.22 0.00 2.50 0.85 0.16 39.28 13:00:03 0 57.08 0.00 2.33 0.23 0.16 40.20 13:00:03 1 54.51 0.00 2.31 0.14 0.16 42.88 13:00:03 2 59.77 0.00 2.45 0.44 0.16 37.17 13:00:03 3 57.50 0.00 2.90 2.58 0.16 36.85 13:10:01 all 52.21 0.00 1.85 0.74 0.17 45.03 13:10:01 0 50.96 0.00 1.59 0.82 0.19 46.43 13:10:01 1 55.55 0.00 1.94 0.29 0.20 42.02 13:10:01 2 51.66 0.00 1.89 0.87 0.15 45.44 13:10:01 3 50.68 0.00 1.98 0.98 0.14 46.23 Average: all 55.88 0.00 2.17 3.14 0.16 38.65 Average: 0 54.79 0.00 1.99 3.00 0.17 40.05 Average: 1 56.09 0.00 2.13 4.72 0.17 36.88 Average: 2 57.55 0.00 2.26 1.87 0.16 38.16 Average: 3 55.09 0.00 2.30 2.95 0.16 39.50