---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22550 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 13G 65G 17% / 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 679 8164 4 7145 14967 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:81:fa:86 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83863sec preferred_lft 83863sec inet6 fe80::f816:3eff:fe81:fa86/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:f1:d0:07:08:95 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-22550) 06/02/26 _x86_64_ (4 CPU) 10:35:20 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:08 32.55 1.76 27.56 3.23 279.61 4883.90 10054.77 11:00:08 29.75 0.01 26.75 2.99 0.20 2222.21 18378.99 11:10:21 10.91 0.02 9.95 0.94 0.39 3138.71 7052.83 Average: 24.34 0.60 21.37 2.38 93.62 3419.99 11785.37 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:08 9082264 12830168 3127232 19.10 140124 3722400 3888244 22.32 755720 6146608 24488 11:00:08 8490572 12613860 3340412 20.40 160776 4047900 3403900 19.54 859520 6572736 35804 11:10:21 5048260 9962976 5988744 36.58 171388 4799748 5788196 33.22 1090084 9757776 136 Average: 7540365 11802335 4152129 25.36 157429 4190016 4360113 25.03 901775 7492373 20143 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:08 lo 1511.14 1511.14 1434.53 1434.53 0.00 0.00 0.00 0.00 10:50:08 ens3 93.52 69.19 528.17 16.36 0.00 0.00 0.00 0.00 10:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 1334.34 1334.34 1271.01 1271.01 0.00 0.00 0.00 0.00 11:00:08 ens3 36.93 28.97 23.66 9.63 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:21 lo 648.86 648.86 6939.35 6939.35 0.00 0.00 0.00 0.00 11:10:21 ens3 20.18 14.87 10.26 5.23 0.00 0.00 0.00 0.00 11:10:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1162.67 1162.67 3233.64 3233.64 0.00 0.00 0.00 0.00 Average: ens3 50.20 37.66 187.71 10.40 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-22550) 06/02/26 _x86_64_ (4 CPU) 10:35:20 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:08 all 70.40 0.00 2.63 0.21 0.13 26.62 10:50:08 0 69.76 0.00 2.45 0.30 0.13 27.36 10:50:08 1 68.93 0.00 2.62 0.15 0.13 28.16 10:50:08 2 71.90 0.00 2.96 0.20 0.13 24.81 10:50:08 3 71.02 0.00 2.50 0.19 0.13 26.15 11:00:08 all 62.04 0.00 2.40 0.39 0.12 35.04 11:00:08 0 62.02 0.00 2.82 0.27 0.13 34.76 11:00:08 1 62.61 0.00 2.35 0.17 0.12 34.75 11:00:08 2 61.26 0.00 2.29 0.43 0.12 35.90 11:00:08 3 62.30 0.00 2.13 0.69 0.13 34.75 11:10:21 all 34.16 0.00 1.28 0.14 0.09 64.33 11:10:21 0 32.64 0.00 1.38 0.07 0.08 65.84 11:10:21 1 33.73 0.00 1.34 0.07 0.09 64.78 11:10:21 2 40.67 0.00 1.16 0.26 0.09 57.83 11:10:21 3 29.60 0.00 1.26 0.16 0.09 68.88 Average: all 55.43 0.00 2.10 0.25 0.12 42.11 Average: 0 54.69 0.00 2.21 0.21 0.11 42.77 Average: 1 54.97 0.00 2.10 0.13 0.11 42.68 Average: 2 57.86 0.00 2.13 0.29 0.12 39.60 Average: 3 54.19 0.00 1.96 0.35 0.12 43.38