---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25612 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 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 675 8657 4 6657 14971 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:ec:46:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84141sec preferred_lft 84141sec inet6 fe80::f816:3eff:feec:46db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:e1:5f:a0:07:e4 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-25612) 06/07/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:01 24.77 0.43 21.34 3.01 19.04 2300.59 4752.05 05:50:01 32.54 0.01 29.22 3.30 0.24 4483.02 6234.30 06:00:00 10.00 0.32 8.44 1.25 12.17 5659.57 1914.99 Average: 22.44 0.25 19.67 2.52 10.48 4147.55 4300.96 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 9070920 12966868 2990360 18.26 143660 3860224 3055576 17.54 833768 6070768 28372 05:50:01 7438864 12347496 3604732 22.02 162688 4806376 3623524 20.80 1112152 7370640 32264 06:00:00 8912036 15369676 577320 3.53 181800 6285572 1089840 6.26 1701024 5226304 12832 Average: 8473940 13561347 2390804 14.60 162716 4984057 2589647 14.86 1215648 6222571 24489 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:01 lo 1435.24 1435.24 1361.15 1361.15 0.00 0.00 0.00 0.00 05:40:01 ens3 50.96 41.79 56.23 13.99 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 1418.59 1418.59 1351.19 1351.19 0.00 0.00 0.00 0.00 05:50:01 ens3 42.16 33.49 39.52 12.14 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:00 lo 369.21 369.21 6847.31 6847.31 0.00 0.00 0.00 0.00 06:00:00 ens3 85.29 93.24 116.01 1003.28 0.00 0.00 0.00 0.00 06:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1074.48 1074.48 3185.87 3185.87 0.00 0.00 0.00 0.00 Average: ens3 59.47 56.16 70.58 343.01 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-25612) 06/07/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 71.43 0.00 2.38 0.09 0.10 26.00 05:40:01 0 72.14 0.00 2.33 0.08 0.10 25.36 05:40:01 1 72.36 0.00 2.46 0.10 0.10 24.98 05:40:01 2 71.11 0.00 2.29 0.07 0.10 26.43 05:40:01 3 70.12 0.00 2.44 0.10 0.10 27.23 05:50:01 all 62.77 0.00 2.48 0.11 0.10 34.54 05:50:01 0 60.28 0.00 2.28 0.11 0.10 37.22 05:50:01 1 62.73 0.00 2.54 0.14 0.10 34.49 05:50:01 2 64.42 0.00 2.64 0.14 0.11 32.69 05:50:01 3 63.63 0.00 2.47 0.04 0.10 33.75 06:00:00 all 26.77 0.00 1.01 0.10 0.07 72.05 06:00:00 0 22.50 0.00 1.23 0.12 0.06 76.09 06:00:00 1 34.92 0.00 0.87 0.10 0.06 64.05 06:00:00 2 31.62 0.00 0.79 0.06 0.07 67.47 06:00:00 3 18.10 0.00 1.15 0.12 0.07 80.56 Average: all 53.63 0.00 1.96 0.10 0.09 44.23 Average: 0 51.60 0.00 1.95 0.10 0.09 46.26 Average: 1 56.64 0.00 1.96 0.11 0.09 41.21 Average: 2 55.71 0.00 1.91 0.09 0.09 42.20 Average: 3 50.57 0.00 2.02 0.09 0.09 47.23