---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34844 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 651 8871 4 6466 14995 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:b3:e2:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.255/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84494sec preferred_lft 84494sec inet6 fe80::f816:3eff:feb3:e251/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:bb:5b:e5:cd:6a 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-34844) 07/11/26 _x86_64_ (4 CPU) 17:29:59 LINUX RESTART (4 CPU) 17:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:40:00 70.35 23.98 44.73 1.64 2081.89 16437.43 22371.06 17:50:00 5.74 0.17 5.23 0.34 5.07 2594.16 1267.74 18:00:00 14.91 0.34 13.68 0.89 65.68 6841.26 2443.62 Average: 30.34 8.17 21.22 0.96 717.97 8626.82 8698.39 17:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:40:00 9894128 13314272 2645172 16.16 127116 3431336 3203572 18.39 599864 5512232 17824 17:50:00 8553096 12722812 3232192 19.74 139568 4132120 3388876 19.45 883156 6516512 1180 18:00:00 8120884 14348572 1599700 9.77 162656 6094844 2053084 11.78 1678888 6078200 149300 Average: 8856036 13461885 2492355 15.22 143113 4552767 2881844 16.54 1053969 6035648 56101 17:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:40:00 lo 9.23 9.23 1.36 1.36 0.00 0.00 0.00 0.00 17:40:00 ens3 150.32 111.42 1242.43 66.69 0.00 0.00 0.00 0.00 17:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:00 lo 11.76 11.76 5.42 5.42 0.00 0.00 0.00 0.00 17:50:00 ens3 41.60 40.72 25.69 409.78 0.00 0.00 0.00 0.00 17:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:00 lo 2568.63 2568.63 9296.57 9296.57 0.00 0.00 0.00 0.00 18:00:00 ens3 58.20 60.45 531.57 724.12 0.00 0.00 0.00 0.00 18:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 863.02 863.02 3100.44 3100.44 0.00 0.00 0.00 0.00 Average: ens3 83.40 70.88 600.11 400.10 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-34844) 07/11/26 _x86_64_ (4 CPU) 17:29:59 LINUX RESTART (4 CPU) 17:30:00 CPU %user %nice %system %iowait %steal %idle 17:40:00 all 49.51 0.00 1.94 0.59 0.08 47.88 17:40:00 0 47.45 0.00 2.12 0.51 0.08 49.84 17:40:00 1 51.38 0.00 2.07 1.12 0.08 45.35 17:40:00 2 51.30 0.00 1.90 0.50 0.08 46.21 17:40:00 3 47.90 0.00 1.68 0.23 0.08 50.11 17:50:00 all 43.53 0.00 1.40 0.04 0.08 54.95 17:50:00 0 43.25 0.00 1.34 0.02 0.08 55.31 17:50:00 1 42.57 0.00 1.34 0.04 0.08 55.98 17:50:00 2 42.04 0.00 1.62 0.06 0.08 56.21 17:50:00 3 46.25 0.00 1.32 0.05 0.08 52.31 18:00:00 all 33.32 0.00 1.32 0.14 0.08 65.14 18:00:00 0 27.99 0.00 1.66 0.16 0.08 70.10 18:00:00 1 37.82 0.00 1.68 0.12 0.08 60.30 18:00:00 2 32.24 0.00 1.05 0.14 0.08 66.49 18:00:00 3 35.23 0.00 0.87 0.16 0.08 63.67 Average: all 42.11 0.00 1.55 0.26 0.08 56.00 Average: 0 39.55 0.00 1.71 0.23 0.08 58.44 Average: 1 43.91 0.00 1.69 0.43 0.08 53.88 Average: 2 41.86 0.00 1.52 0.23 0.08 56.30 Average: 3 43.13 0.00 1.29 0.15 0.08 55.36