---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29919 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: 5600.00 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 776 9376 4 5836 14869 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:7d:b9:04 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84105sec preferred_lft 84105sec inet6 fe80::f816:3eff:fe7d:b904/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:8c:db:56:0e:32 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-29919) 06/23/26 _x86_64_ (4 CPU) 20:23:11 LINUX RESTART (4 CPU) 20:30:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 26.27 0.44 22.81 3.01 14.54 4705.01 4098.22 20:50:31 53.30 0.00 42.11 11.19 0.00 2742.49 14029.15 21:00:20 21.09 0.30 17.71 3.09 11.86 4152.79 3817.30 Average: 34.02 0.24 27.88 5.89 8.58 3839.18 7474.87 20:30:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 8978612 13264120 2687992 16.42 185512 4147112 2933684 16.84 763816 6164624 111672 20:50:31 8640556 13269804 2678032 16.36 217724 4419840 2816000 16.16 871216 6331684 70948 21:00:20 9860016 15468720 475524 2.90 241292 5329176 994264 5.71 1207668 4728312 16 Average: 9159728 14000881 1947183 11.89 214843 4632043 2247983 12.90 947567 5741540 60879 20:30:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 1367.96 1367.96 1303.75 1303.75 0.00 0.00 0.00 0.00 20:40:01 ens3 91.22 66.49 331.00 19.67 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:31 lo 5326.81 5326.81 5078.81 5078.81 0.00 0.00 0.00 0.00 20:50:31 ens3 88.05 64.42 26.77 20.53 0.00 0.00 0.00 0.00 20:50:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:20 lo 1388.96 1388.96 1297.73 1297.73 0.00 0.00 0.00 0.00 21:00:20 ens3 145.63 146.48 130.81 594.26 0.00 0.00 0.00 0.00 21:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2757.47 2757.47 2620.24 2620.24 0.00 0.00 0.00 0.00 Average: ens3 107.89 91.90 159.34 207.69 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-29919) 06/23/26 _x86_64_ (4 CPU) 20:23:11 LINUX RESTART (4 CPU) 20:30:17 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 66.21 0.00 2.82 0.06 0.09 30.82 20:40:01 0 66.20 0.00 2.99 0.05 0.09 30.67 20:40:01 1 66.16 0.00 2.56 0.09 0.10 31.10 20:40:01 2 65.26 0.00 2.62 0.08 0.09 31.95 20:40:01 3 67.22 0.00 3.11 0.03 0.09 29.55 20:50:31 all 62.40 0.00 4.14 0.11 0.09 33.25 20:50:31 0 62.32 0.00 4.03 0.05 0.10 33.50 20:50:31 1 63.39 0.00 4.23 0.13 0.09 32.15 20:50:31 2 61.86 0.00 4.32 0.15 0.09 33.58 20:50:31 3 62.05 0.00 3.96 0.11 0.10 33.79 21:00:20 all 37.41 0.00 1.83 0.10 0.08 60.59 21:00:20 0 29.57 0.00 1.61 0.11 0.07 68.63 21:00:20 1 33.86 0.00 1.80 0.03 0.08 64.23 21:00:20 2 36.78 0.00 1.86 0.15 0.07 61.15 21:00:20 3 49.46 0.00 2.06 0.09 0.08 48.31 Average: all 55.46 0.00 2.96 0.09 0.09 41.41 Average: 0 52.86 0.00 2.90 0.07 0.09 44.08 Average: 1 54.61 0.00 2.89 0.08 0.09 42.32 Average: 2 54.75 0.00 2.96 0.13 0.09 42.07 Average: 3 59.61 0.00 3.06 0.08 0.09 37.16