---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11815 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 11G 67G 14% / 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 628 10508 4 4852 15018 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:9d:ee:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84134sec preferred_lft 84134sec inet6 fe80::f816:3eff:fe9d:ee2f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:ed:7a:51:d1:53 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-11815) 05/07/26 _x86_64_ (4 CPU) 19:55:29 LINUX RESTART (4 CPU) 20:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:10:02 39.23 4.19 34.43 0.62 244.37 3717.38 865.38 20:20:02 4.00 0.21 3.61 0.18 22.76 626.83 25.57 20:30:01 12.97 0.52 11.65 0.80 19.04 1938.26 2627.11 Average: 18.75 1.64 16.58 0.53 95.54 2095.15 1171.14 20:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:10:02 10672528 13469756 2495564 15.24 105956 2871436 2955096 16.96 422124 4960204 828 20:20:02 8831352 11810688 4152396 25.36 112316 3033024 4342172 24.92 493364 6713408 264 20:30:01 8826312 12532984 3426420 20.93 130900 3702764 3628292 20.83 703448 6463748 275668 Average: 9443397 12604476 3358127 20.51 116391 3202408 3641853 20.90 539645 6045787 92253 20:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:10:02 lo 0.35 0.35 0.03 0.03 0.00 0.00 0.00 0.00 20:10:02 ens3 77.52 59.34 844.07 10.81 0.00 0.00 0.00 0.00 20:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:02 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 20:20:02 ens3 11.79 10.08 80.19 2.54 0.00 0.00 0.00 0.00 20:20:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 323.07 323.07 307.87 307.87 0.00 0.00 0.00 0.00 20:30:01 ens3 36.16 25.03 433.88 3.52 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 107.75 107.75 102.51 102.51 0.00 0.00 0.00 0.00 Average: ens3 41.85 31.50 452.94 5.63 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-11815) 05/07/26 _x86_64_ (4 CPU) 19:55:29 LINUX RESTART (4 CPU) 20:00:01 CPU %user %nice %system %iowait %steal %idle 20:10:02 all 12.99 0.00 0.59 0.23 0.04 86.16 20:10:02 0 12.34 0.00 0.65 0.07 0.04 86.91 20:10:02 1 11.77 0.00 0.56 0.41 0.03 87.23 20:10:02 2 11.62 0.00 0.46 0.31 0.04 87.57 20:10:02 3 16.22 0.00 0.71 0.12 0.04 82.91 20:20:02 all 46.75 0.00 0.67 0.03 0.07 52.48 20:20:02 0 37.87 0.00 0.66 0.06 0.07 61.34 20:20:02 1 43.38 0.00 0.60 0.02 0.07 55.93 20:20:02 2 49.24 0.00 0.68 0.03 0.07 49.97 20:20:02 3 56.53 0.00 0.73 0.02 0.07 42.65 20:30:01 all 53.70 0.00 1.06 0.03 0.09 45.13 20:30:01 0 42.55 0.00 0.91 0.01 0.07 56.45 20:30:01 1 41.77 0.00 0.98 0.04 0.08 57.12 20:30:01 2 43.81 0.00 0.82 0.03 0.08 55.26 20:30:01 3 86.66 0.00 1.52 0.02 0.11 11.69 Average: all 37.78 0.00 0.77 0.10 0.06 61.29 Average: 0 30.90 0.00 0.74 0.05 0.06 68.26 Average: 1 32.28 0.00 0.71 0.16 0.06 66.79 Average: 2 34.87 0.00 0.65 0.13 0.06 64.28 Average: 3 53.09 0.00 0.99 0.05 0.08 45.79