---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24029 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 11G 67G 14% / 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 10292 4 5026 14975 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:2c:75:e8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84152sec preferred_lft 84152sec inet6 fe80::f816:3eff:fe2c:75e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:00:73:db:a4:bd 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-24029) 06/05/26 _x86_64_ (4 CPU) 11:17:35 LINUX RESTART (4 CPU) 11:20:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:09 11.51 1.98 8.94 0.58 322.57 2001.86 12450.88 11:40:01 12.38 0.59 10.69 1.09 22.92 2692.07 2870.28 11:50:18 45.39 0.77 26.92 17.71 26.37 4039.83 239177.60 Average: 23.33 1.11 15.63 6.58 123.89 2920.97 86496.46 11:20:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:09 11531520 14615336 1347508 8.23 117544 3131620 2166140 12.43 525432 3959540 169708 11:40:01 10014652 13755940 2200660 13.44 147292 3693612 2492076 14.30 705204 5230492 40776 11:50:18 10590200 15376816 572520 3.50 175960 4639604 1118060 6.42 988040 4280296 56 Average: 10712124 14582697 1373563 8.39 146932 3821612 1925425 11.05 739559 4490109 70180 11:20:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:09 lo 0.23 0.23 0.02 0.02 0.00 0.00 0.00 0.00 11:30:09 ens3 71.00 49.19 845.27 6.87 0.00 0.00 0.00 0.00 11:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 11:40:01 ens3 66.33 52.04 98.54 17.54 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:18 lo 1686.83 1686.83 1603.54 1603.54 0.00 0.00 0.00 0.00 11:50:18 ens3 87.20 69.98 396.38 69.22 0.00 0.00 0.00 0.00 11:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 574.70 574.70 545.87 545.87 0.00 0.00 0.00 0.00 Average: ens3 74.99 57.20 448.60 31.58 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-24029) 06/05/26 _x86_64_ (4 CPU) 11:17:35 LINUX RESTART (4 CPU) 11:20:05 CPU %user %nice %system %iowait %steal %idle 11:30:09 all 5.53 0.00 0.43 4.41 0.03 89.60 11:30:09 0 5.65 0.00 0.29 1.74 0.02 92.30 11:30:09 1 5.76 0.00 0.57 4.28 0.03 89.36 11:30:09 2 5.08 0.00 0.44 10.04 0.03 84.42 11:30:09 3 5.61 0.00 0.44 1.57 0.03 92.35 11:40:01 all 71.94 0.00 2.29 0.23 0.12 25.41 11:40:01 0 74.80 0.00 2.32 0.12 0.13 22.64 11:40:01 1 71.32 0.00 2.63 0.25 0.13 25.67 11:40:01 2 71.18 0.00 2.14 0.29 0.12 26.27 11:40:01 3 70.46 0.00 2.09 0.25 0.12 27.08 11:50:18 all 55.23 0.00 2.47 0.75 0.10 41.45 11:50:18 0 57.09 0.00 2.51 0.45 0.10 39.86 11:50:18 1 54.79 0.00 2.37 0.44 0.10 42.31 11:50:18 2 55.55 0.00 2.75 1.41 0.10 40.20 11:50:18 3 53.49 0.00 2.26 0.70 0.10 43.45 Average: all 44.08 0.00 1.73 1.80 0.08 52.30 Average: 0 45.71 0.00 1.71 0.77 0.08 51.73 Average: 1 43.82 0.00 1.85 1.66 0.09 52.58 Average: 2 43.77 0.00 1.78 3.93 0.08 50.44 Average: 3 43.02 0.00 1.60 0.84 0.08 54.46