---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-33488 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 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 683 8265 4 7040 14963 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:61:b0:e5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83831sec preferred_lft 83831sec inet6 fe80::f816:3eff:fe61:b0e5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:21:e6:74:53:3f 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-33488) 07/06/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:19 35.72 0.07 19.76 15.88 6.60 2304.67 236024.04 19:30:01 34.79 0.01 31.18 3.60 0.21 3208.90 9750.92 19:40:20 10.84 0.02 10.45 0.37 0.63 7490.40 50914.53 Average: 26.95 0.03 20.25 6.66 2.52 4360.49 100455.85 19:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:19 8646788 12363476 3593892 21.95 143232 3680848 3592792 20.62 718876 6605424 1900 19:30:01 7865732 12613220 3339236 20.39 163160 4644672 3239392 18.59 1006108 7050096 448184 19:40:20 6333344 12941192 3004524 18.35 178836 6426956 2921940 16.77 1661084 7849396 106976 Average: 7615288 12639296 3312551 20.23 161743 4917492 3251375 18.66 1128689 7168305 185687 19:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:19 lo 1280.16 1280.16 1213.51 1213.51 0.00 0.00 0.00 0.00 19:20:19 ens3 48.89 39.03 46.53 12.43 0.00 0.00 0.00 0.00 19:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1535.29 1535.29 1462.42 1462.42 0.00 0.00 0.00 0.00 19:30:01 ens3 58.47 42.08 27.63 13.35 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:20 lo 2505.75 2505.75 9013.89 9013.89 0.00 0.00 0.00 0.00 19:40:20 ens3 21.42 18.17 122.32 4.21 0.00 0.00 0.00 0.00 19:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1779.31 1779.31 3949.69 3949.69 0.00 0.00 0.00 0.00 Average: ens3 42.61 32.90 66.28 9.93 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-33488) 07/06/26 _x86_64_ (4 CPU) 19:01:31 LINUX RESTART (4 CPU) 19:10:03 CPU %user %nice %system %iowait %steal %idle 19:20:19 all 65.45 0.00 2.22 0.08 0.09 32.16 19:20:19 0 64.88 0.00 2.18 0.10 0.09 32.74 19:20:19 1 64.80 0.00 2.00 0.14 0.09 32.97 19:20:19 2 66.14 0.00 2.53 0.03 0.09 31.21 19:20:19 3 65.96 0.00 2.18 0.04 0.09 31.73 19:30:01 all 65.32 0.00 2.73 0.09 0.09 31.77 19:30:01 0 65.64 0.00 2.59 0.05 0.09 31.63 19:30:01 1 63.65 0.00 3.09 0.10 0.10 33.07 19:30:01 2 64.30 0.00 2.57 0.12 0.09 32.92 19:30:01 3 67.66 0.00 2.69 0.08 0.09 29.47 19:40:20 all 30.26 0.00 1.22 0.09 0.08 68.35 19:40:20 0 24.45 0.00 1.69 0.15 0.07 73.64 19:40:20 1 32.85 0.00 0.89 0.05 0.08 66.14 19:40:20 2 29.08 0.00 1.15 0.01 0.08 69.68 19:40:20 3 34.70 0.00 1.13 0.15 0.08 63.94 Average: all 53.40 0.00 2.04 0.08 0.09 44.39 Average: 0 51.32 0.00 2.14 0.10 0.08 46.35 Average: 1 53.53 0.00 1.97 0.09 0.09 44.32 Average: 2 52.91 0.00 2.07 0.05 0.09 44.88 Average: 3 55.85 0.00 1.99 0.09 0.09 41.99