---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-214692 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 730 9396 4 5862 14915 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:f2:6c:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83809sec preferred_lft 83809sec inet6 fe80::f816:3eff:fef2:6ccd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:04:c0:16:db:e8 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-214692) 03/07/26 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 27.55 2.34 10.69 14.52 138.48 2997.19 244311.00 20:50:14 66.29 11.98 42.52 11.78 138.38 4623.88 6559.24 21:00:00 46.32 0.24 37.67 8.41 10.96 5482.58 10606.35 Average: 46.95 4.95 30.42 11.58 96.64 4368.06 86423.18 20:30:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 10324228 13650320 2309832 14.11 143120 3313280 2617916 15.03 630284 5034880 57816 20:50:14 8451384 12954836 2994744 18.29 202632 4321408 3201484 18.38 922972 6501512 115084 21:00:00 9755140 15390032 555220 3.39 240140 5350084 1109004 6.37 1316360 4730444 26624 Average: 9510251 13998396 1953265 11.93 195297 4328257 2309468 13.26 956539 5422279 66508 20:30:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 1.16 1.16 0.12 0.12 0.00 0.00 0.00 0.00 20:40:03 ens3 97.55 75.25 543.88 19.59 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:14 lo 4069.93 4069.93 3880.83 3880.83 0.00 0.00 0.00 0.00 20:50:14 ens3 89.87 65.23 298.38 21.50 0.00 0.00 0.00 0.00 20:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:00 lo 3839.15 3839.15 3658.34 3658.34 0.00 0.00 0.00 0.00 21:00:00 ens3 77.53 63.41 106.04 34.97 0.00 0.00 0.00 0.00 21:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2650.22 2650.22 2525.96 2525.96 0.00 0.00 0.00 0.00 Average: ens3 88.36 67.94 316.42 25.29 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-214692) 03/07/26 _x86_64_ (4 CPU) 20:24:24 LINUX RESTART (4 CPU) 20:30:13 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 56.95 0.00 2.07 0.07 0.11 40.80 20:40:03 0 55.56 0.00 2.04 0.06 0.11 42.23 20:40:03 1 59.08 0.00 2.21 0.08 0.11 38.52 20:40:03 2 56.28 0.00 2.06 0.03 0.11 41.52 20:40:03 3 56.88 0.00 1.99 0.09 0.11 40.94 20:50:14 all 63.78 0.07 3.89 0.15 0.11 31.99 20:50:14 0 63.20 0.01 3.78 0.10 0.11 32.80 20:50:14 1 63.20 0.06 4.12 0.12 0.11 32.39 20:50:14 2 66.58 0.20 3.97 0.29 0.11 28.84 20:50:14 3 62.15 0.02 3.67 0.10 0.11 33.94 21:00:00 all 59.02 0.00 3.65 0.21 0.10 37.02 21:00:00 0 57.52 0.00 3.22 0.18 0.10 38.97 21:00:00 1 58.18 0.00 3.48 0.21 0.10 38.03 21:00:00 2 57.82 0.00 3.67 0.33 0.10 38.08 21:00:00 3 62.55 0.00 4.21 0.13 0.10 33.00 Average: all 59.96 0.02 3.21 0.14 0.11 36.56 Average: 0 58.81 0.00 3.02 0.12 0.11 37.94 Average: 1 60.19 0.02 3.28 0.14 0.11 36.27 Average: 2 60.30 0.07 3.24 0.22 0.11 36.06 Average: 3 60.54 0.01 3.29 0.11 0.11 35.95