---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-688 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 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 670 8801 4 6517 14976 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:bd:19:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84424sec preferred_lft 84424sec inet6 fe80::f816:3eff:febd:1961/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:28:b0:f3:89:ca 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-688) 04/07/26 _x86_64_ (4 CPU) 09:08:54 LINUX RESTART (4 CPU) 09:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:17 60.41 4.79 52.40 3.21 274.43 6117.55 5733.83 09:30:01 26.35 0.02 23.66 2.68 0.22 2296.01 9266.40 09:40:00 13.13 0.04 11.92 1.17 0.75 3450.17 5821.97 Average: 33.37 1.63 29.39 2.35 92.69 3969.91 6920.49 09:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:17 9460944 13064996 2893876 17.67 133432 3595620 3035784 17.43 674616 5859436 212628 09:30:01 8537792 12566020 3389120 20.70 153540 3965384 3434820 19.72 800032 6597772 232436 09:40:00 7283828 13104100 2845512 17.38 166648 5685280 2901356 16.65 1446672 7153992 1189928 Average: 8427521 12911705 3042836 18.58 151207 4415428 3123987 17.93 973773 6537067 544997 09:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:17 lo 1481.79 1481.79 1406.12 1406.12 0.00 0.00 0.00 0.00 09:20:17 ens3 134.09 101.44 1189.61 16.87 0.00 0.00 0.00 0.00 09:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 1205.38 1205.38 1147.47 1147.47 0.00 0.00 0.00 0.00 09:30:01 ens3 25.90 22.06 43.11 6.82 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 2868.42 2868.42 9708.87 9708.87 0.00 0.00 0.00 0.00 09:40:00 ens3 22.89 18.02 87.86 11.11 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1857.00 1857.00 4110.14 4110.14 0.00 0.00 0.00 0.00 Average: ens3 61.30 47.42 444.03 11.64 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-688) 04/07/26 _x86_64_ (4 CPU) 09:08:54 LINUX RESTART (4 CPU) 09:10:17 CPU %user %nice %system %iowait %steal %idle 09:20:17 all 61.18 0.00 2.55 0.30 0.11 35.85 09:20:17 0 60.37 0.00 2.35 0.11 0.11 37.06 09:20:17 1 59.55 0.00 2.57 0.54 0.11 37.23 09:20:17 2 62.00 0.00 2.59 0.10 0.11 35.20 09:20:17 3 62.82 0.00 2.69 0.46 0.11 33.92 09:30:01 all 67.18 0.00 2.28 0.06 0.11 30.37 09:30:01 0 66.28 0.00 2.45 0.06 0.10 31.11 09:30:01 1 67.93 0.00 2.14 0.06 0.11 29.76 09:30:01 2 68.01 0.00 2.03 0.08 0.11 29.77 09:30:01 3 66.50 0.00 2.51 0.04 0.11 30.84 09:40:00 all 43.98 0.00 1.74 0.09 0.09 54.09 09:40:00 0 43.93 0.00 1.64 0.05 0.09 54.28 09:40:00 1 42.55 0.00 2.29 0.13 0.10 54.94 09:40:00 2 48.81 0.00 1.61 0.07 0.09 49.41 09:40:00 3 40.65 0.00 1.41 0.11 0.09 57.73 Average: all 57.37 0.00 2.19 0.15 0.10 40.19 Average: 0 56.79 0.00 2.15 0.07 0.10 40.89 Average: 1 56.56 0.00 2.33 0.24 0.10 40.76 Average: 2 59.54 0.00 2.08 0.08 0.10 38.19 Average: 3 56.57 0.00 2.20 0.21 0.10 40.92