---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23053 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 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 755 9541 4 5691 14891 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:89:a8:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84532sec preferred_lft 84532sec inet6 fe80::f816:3eff:fe89:a822/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:46:83:ba:78:d1 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-23053) 06/03/26 _x86_64_ (4 CPU) 08:19:58 LINUX RESTART (4 CPU) 08:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:00 66.14 14.87 49.68 1.58 1632.53 17110.10 2021.09 08:40:00 35.07 0.05 31.20 3.82 1.39 3397.57 28558.23 08:50:00 20.51 0.30 17.80 2.41 11.81 5940.69 2732.64 Average: 40.56 5.07 32.89 2.61 548.11 8812.37 11109.88 08:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:00 8856668 12676388 3280440 20.04 151664 3754688 3544508 20.35 683660 6399764 229908 08:40:00 8935040 13152336 2800288 17.10 181468 4082676 3230120 18.54 832132 6137576 19628 08:50:00 9902820 15369104 577268 3.53 208656 5233976 1106580 6.35 928180 4972480 40 Average: 9231509 13732609 2219332 13.55 180596 4357113 2627069 15.08 814657 5836607 83192 08:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:00 lo 397.36 397.36 378.30 378.30 0.00 0.00 0.00 0.00 08:30:00 ens3 150.21 113.34 1167.92 24.71 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:00 lo 1736.46 1736.46 1655.74 1655.74 0.00 0.00 0.00 0.00 08:40:00 ens3 52.80 40.46 139.68 11.86 0.00 0.00 0.00 0.00 08:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 102.83 102.83 87.88 87.88 0.00 0.00 0.00 0.00 08:50:00 ens3 80.36 74.32 119.53 212.35 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 745.83 745.83 707.57 707.57 0.00 0.00 0.00 0.00 Average: ens3 94.43 76.02 475.42 82.99 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-23053) 06/03/26 _x86_64_ (4 CPU) 08:19:58 LINUX RESTART (4 CPU) 08:20:00 CPU %user %nice %system %iowait %steal %idle 08:30:00 all 47.06 0.00 1.99 0.42 0.09 50.43 08:30:00 0 46.61 0.00 2.38 0.69 0.10 50.23 08:30:00 1 46.97 0.00 1.99 0.30 0.09 50.65 08:30:00 2 48.28 0.00 1.80 0.48 0.09 49.37 08:30:00 3 46.39 0.00 1.80 0.23 0.09 51.49 08:40:00 all 62.19 0.00 2.65 0.17 0.13 34.86 08:40:00 0 63.55 0.00 3.05 0.21 0.13 33.05 08:40:00 1 61.74 0.00 2.51 0.15 0.13 35.47 08:40:00 2 62.14 0.00 2.51 0.14 0.13 35.09 08:40:00 3 61.34 0.00 2.53 0.17 0.12 35.84 08:50:00 all 47.06 0.00 1.59 0.06 0.08 51.20 08:50:00 0 46.36 0.00 1.61 0.05 0.08 51.89 08:50:00 1 51.77 0.00 1.54 0.03 0.09 46.58 08:50:00 2 41.18 0.00 1.56 0.07 0.08 57.10 08:50:00 3 48.92 0.00 1.66 0.10 0.09 49.23 Average: all 52.10 0.00 2.08 0.22 0.10 45.50 Average: 0 52.17 0.00 2.35 0.32 0.10 45.07 Average: 1 53.49 0.00 2.01 0.16 0.10 44.24 Average: 2 50.53 0.00 1.95 0.23 0.10 47.19 Average: 3 52.22 0.00 2.00 0.16 0.10 45.52