---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10406 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 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 663 8700 4 6625 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:0e:27:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83958sec preferred_lft 83958sec inet6 fe80::f816:3eff:fe0e:2755/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:5a:b9:04:39:fc 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-10406) 05/02/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:06 24.08 0.07 21.23 2.78 6.61 2354.28 3961.94 19:30:19 34.43 0.02 30.92 3.49 0.56 4560.81 8483.62 19:40:20 10.52 0.31 8.95 1.26 11.60 6341.37 2940.63 Average: 23.08 0.13 20.43 2.51 6.22 4432.04 5157.19 19:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:06 7905320 11511528 4446440 27.16 142948 3578312 4477316 25.70 705100 7371736 5784 19:30:19 7108840 11780648 4172200 25.48 163700 4573456 4056584 23.28 1001588 7812128 2376 19:40:20 8939460 15363308 583356 3.56 183708 6248824 1099060 6.31 1657728 5239424 76 Average: 7984540 12885161 3067332 18.73 163452 4800197 3210987 18.43 1121472 6807763 2745 19:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:06 lo 1285.20 1285.20 1217.97 1217.97 0.00 0.00 0.00 0.00 19:20:06 ens3 50.76 40.10 54.87 13.70 0.00 0.00 0.00 0.00 19:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:19 lo 1539.55 1539.55 1466.15 1466.15 0.00 0.00 0.00 0.00 19:30:19 ens3 46.72 34.26 50.35 12.99 0.00 0.00 0.00 0.00 19:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:20 lo 2437.73 2437.73 9262.81 9262.81 0.00 0.00 0.00 0.00 19:40:20 ens3 71.89 80.35 140.30 1002.86 0.00 0.00 0.00 0.00 19:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1755.58 1755.58 3982.67 3982.67 0.00 0.00 0.00 0.00 Average: ens3 56.43 51.53 81.80 343.03 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-10406) 05/02/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:15 CPU %user %nice %system %iowait %steal %idle 19:20:06 all 67.56 0.00 2.33 0.04 0.11 29.96 19:20:06 0 65.79 0.00 2.44 0.07 0.11 31.60 19:20:06 1 69.52 0.00 2.50 0.02 0.11 27.86 19:20:06 2 67.47 0.00 2.21 0.03 0.11 30.17 19:20:06 3 67.45 0.00 2.17 0.04 0.10 30.23 19:30:19 all 60.68 0.00 2.56 0.09 0.10 36.57 19:30:19 0 59.62 0.00 2.59 0.14 0.10 37.56 19:30:19 1 62.25 0.00 3.04 0.07 0.10 34.53 19:30:19 2 61.49 0.00 2.33 0.07 0.10 36.02 19:30:19 3 59.37 0.00 2.26 0.08 0.10 38.18 19:40:20 all 31.68 0.00 1.23 0.11 0.08 66.90 19:40:20 0 25.03 0.00 1.05 0.26 0.07 73.59 19:40:20 1 30.29 0.00 1.50 0.04 0.07 68.10 19:40:20 2 37.43 0.00 1.26 0.14 0.08 61.08 19:40:20 3 33.99 0.00 1.10 0.02 0.08 64.82 Average: all 53.25 0.00 2.04 0.08 0.10 44.53 Average: 0 50.07 0.00 2.03 0.15 0.09 47.66 Average: 1 53.97 0.00 2.35 0.04 0.09 43.54 Average: 2 55.43 0.00 1.94 0.08 0.10 42.46 Average: 3 53.55 0.00 1.84 0.05 0.10 44.47