---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-207 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 666 10161 4 5160 14980 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:58:5a:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84291sec preferred_lft 84291sec inet6 fe80::f816:3eff:fe58:5a53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:f4:23:2e:9d:6e 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-207) 07/29/26 _x86_64_ (4 CPU) 02:25:16 LINUX RESTART (4 CPU) 02:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:05 28.18 2.30 11.62 14.26 354.00 3372.43 254773.60 02:50:05 17.66 0.77 15.26 1.62 27.98 3102.13 3172.60 03:00:03 22.73 0.27 18.36 4.11 14.47 2182.14 3042.76 Average: 22.87 1.12 15.07 6.69 132.87 2887.40 87531.81 02:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:05 10403032 13983836 1975020 12.06 132208 3571600 2439508 14.00 622672 4966980 26352 02:50:05 8643844 13198520 2752256 16.81 168880 4429248 3036320 17.43 850352 6412848 101344 03:00:03 10481744 15410788 537832 3.28 179624 4771332 1063396 6.10 1002376 4373748 12492 Average: 9842873 14197715 1755036 10.72 160237 4257393 2179741 12.51 825133 5251192 46729 02:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:05 lo 0.79 0.79 0.08 0.08 0.00 0.00 0.00 0.00 02:40:05 ens3 104.58 75.56 1051.92 20.00 0.00 0.00 0.00 0.00 02:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:05 lo 586.20 586.20 558.19 558.19 0.00 0.00 0.00 0.00 02:50:05 ens3 83.64 58.48 329.84 17.38 0.00 0.00 0.00 0.00 02:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:03 lo 1192.56 1192.56 1123.70 1123.70 0.00 0.00 0.00 0.00 03:00:03 ens3 94.79 87.62 141.60 187.90 0.00 0.00 0.00 0.00 03:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 591.11 591.11 558.70 558.70 0.00 0.00 0.00 0.00 Average: ens3 94.37 73.88 509.58 74.87 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-207) 07/29/26 _x86_64_ (4 CPU) 02:25:16 LINUX RESTART (4 CPU) 02:30:01 CPU %user %nice %system %iowait %steal %idle 02:40:05 all 40.85 0.00 1.43 0.17 0.09 57.46 02:40:05 0 39.01 0.00 1.14 0.16 0.09 59.61 02:40:05 1 42.51 0.00 1.50 0.24 0.09 55.66 02:40:05 2 40.61 0.00 1.67 0.11 0.09 57.51 02:40:05 3 41.26 0.00 1.42 0.18 0.09 57.05 02:50:05 all 67.14 0.00 2.37 0.67 0.14 29.68 02:50:05 0 68.06 0.00 2.15 0.44 0.14 29.20 02:50:05 1 64.69 0.00 2.17 0.91 0.14 32.09 02:50:05 2 69.37 0.00 2.92 0.68 0.14 26.89 02:50:05 3 66.42 0.00 2.26 0.65 0.13 30.54 03:00:03 all 32.47 0.00 1.69 0.35 0.10 65.40 03:00:03 0 30.20 0.00 1.53 0.48 0.09 67.69 03:00:03 1 31.23 0.00 1.83 0.62 0.09 66.23 03:00:03 2 38.33 0.00 1.62 0.17 0.10 59.78 03:00:03 3 30.14 0.00 1.77 0.12 0.10 67.88 Average: all 46.80 0.00 1.83 0.39 0.11 50.87 Average: 0 45.73 0.00 1.61 0.36 0.11 52.19 Average: 1 46.13 0.00 1.83 0.59 0.11 51.34 Average: 2 49.41 0.00 2.07 0.32 0.11 48.09 Average: 3 45.93 0.00 1.81 0.31 0.11 51.84