---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11150 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 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 675 9796 4 5517 14971 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:29:19:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.189/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82422sec preferred_lft 82422sec inet6 fe80::f816:3eff:fe29:1948/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:e7:da:c6:a7:a5 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-11150) 05/05/26 _x86_64_ (4 CPU) 17:48:15 LINUX RESTART (4 CPU) 17:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:00 4.05 0.41 3.40 0.23 401.76 403.52 4598.42 18:10:03 1.25 0.00 1.24 0.00 0.04 14.39 0.00 18:20:01 1.24 0.00 1.23 0.00 0.09 13.88 0.01 18:30:03 75.89 4.71 64.84 6.34 278.14 5516.52 101577.04 18:40:03 13.36 0.02 11.07 2.26 0.60 793.26 51785.93 18:50:01 33.03 0.18 28.67 4.18 5.81 6109.79 31548.82 Average: 21.48 0.89 18.42 2.17 114.43 2140.30 31608.66 17:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:00 13551680 15524652 491264 3.00 57232 2140828 1164596 6.68 332556 2227688 8 18:10:03 13552304 15525732 490304 2.99 57660 2140848 1164596 6.68 332996 2227888 180 18:20:01 13551324 15525284 490756 3.00 58028 2141004 1164596 6.68 333356 2228952 204 18:30:03 10481076 13905508 2055904 12.56 148340 3418296 2388072 13.71 775316 4746100 19456 18:40:03 9316864 12894260 3065008 18.72 156120 3550064 3290376 18.89 811768 5854348 848 18:50:01 6898544 12178688 3770924 23.03 185412 5136660 3793724 21.78 1385936 7599040 80976 Average: 11225299 14259021 1727360 10.55 110465 3087950 2160993 12.40 661988 4147336 16945 17:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:00 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 18:00:00 ens3 11.71 8.79 129.64 0.63 0.00 0.00 0.00 0.00 18:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:03 ens3 0.21 0.09 0.04 0.02 0.00 0.00 0.00 0.00 18:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:01 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:03 lo 0.75 0.75 0.07 0.07 0.00 0.00 0.00 0.00 18:30:03 ens3 109.09 84.35 908.41 18.08 0.00 0.00 0.00 0.00 18:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:03 lo 48.17 48.17 12.06 12.06 0.00 0.00 0.00 0.00 18:40:03 ens3 7.53 6.33 7.90 2.01 0.00 0.00 0.00 0.00 18:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 2220.46 2220.46 2113.76 2113.76 0.00 0.00 0.00 0.00 18:50:01 ens3 71.30 54.89 478.75 13.71 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 376.93 376.93 353.03 353.03 0.00 0.00 0.00 0.00 Average: ens3 33.34 25.75 254.17 5.74 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-11150) 05/05/26 _x86_64_ (4 CPU) 17:48:15 LINUX RESTART (4 CPU) 17:50:01 CPU %user %nice %system %iowait %steal %idle 18:00:00 all 0.44 0.00 0.10 0.08 0.01 99.38 18:00:00 0 0.58 0.00 0.09 0.02 0.01 99.30 18:00:00 1 0.33 0.00 0.13 0.18 0.01 99.35 18:00:00 2 0.36 0.00 0.08 0.02 0.01 99.53 18:00:00 3 0.47 0.00 0.08 0.09 0.01 99.35 18:10:03 all 0.11 0.00 0.03 0.01 0.01 99.84 18:10:03 0 0.01 0.00 0.01 0.00 0.00 99.98 18:10:03 1 0.03 0.00 0.04 0.02 0.01 99.90 18:10:03 2 0.40 0.00 0.04 0.01 0.01 99.55 18:10:03 3 0.01 0.00 0.02 0.00 0.00 99.96 18:20:01 all 0.22 0.00 0.03 0.01 0.01 99.74 18:20:01 0 0.28 0.00 0.04 0.02 0.01 99.66 18:20:01 1 0.02 0.00 0.01 0.00 0.00 99.97 18:20:01 2 0.56 0.00 0.04 0.01 0.02 99.37 18:20:01 3 0.01 0.00 0.02 0.01 0.01 99.95 18:30:03 all 29.99 0.00 1.38 0.55 0.06 68.02 18:30:03 0 27.55 0.00 1.25 0.46 0.06 70.68 18:30:03 1 30.15 0.00 1.35 0.54 0.06 67.90 18:30:03 2 31.02 0.00 1.51 0.76 0.06 66.64 18:30:03 3 31.26 0.00 1.39 0.43 0.07 66.85 18:40:03 all 18.34 0.00 0.83 0.08 0.07 80.68 18:40:03 0 18.53 0.00 0.86 0.04 0.07 80.50 18:40:03 1 18.61 0.00 0.80 0.04 0.07 80.49 18:40:03 2 18.41 0.00 0.95 0.21 0.07 80.35 18:40:03 3 17.81 0.00 0.70 0.05 0.07 81.36 18:50:01 all 46.40 0.00 2.45 0.14 0.09 50.91 18:50:01 0 48.01 0.00 2.44 0.04 0.09 49.43 18:50:01 1 45.54 0.00 2.68 0.28 0.09 51.40 18:50:01 2 46.09 0.00 2.25 0.15 0.09 51.42 18:50:01 3 45.97 0.00 2.42 0.11 0.09 51.41 Average: all 15.87 0.00 0.80 0.15 0.04 83.14 Average: 0 15.77 0.00 0.78 0.09 0.04 83.31 Average: 1 15.74 0.00 0.83 0.18 0.04 83.21 Average: 2 16.10 0.00 0.81 0.19 0.04 82.85 Average: 3 15.88 0.00 0.77 0.12 0.04 83.19