---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1722 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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 68G 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 619 10453 4 4916 15027 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:e0:4f:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82900sec preferred_lft 82900sec inet6 fe80::f816:3eff:fee0:4f63/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:9e:13:c7:43:cd 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-1722) 01/18/26 _x86_64_ (4 CPU) 09:57:28 LINUX RESTART (4 CPU) 10:00:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:18 5.42 0.57 4.45 0.40 608.26 663.26 13406.83 10:20:17 1.59 0.01 1.58 0.00 0.05 17.83 0.00 10:30:08 1.44 0.00 1.44 0.00 0.00 16.13 0.00 10:40:19 21.73 2.37 6.23 13.13 141.14 1874.35 236176.24 10:50:18 2.99 0.03 2.86 0.10 1.31 317.27 20.87 Average: 6.71 0.60 3.33 2.77 150.68 584.37 50762.23 10:00:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:18 12972372 15528276 454904 2.78 93620 2659632 975240 5.60 472996 2606972 8 10:20:17 12973680 15530132 453136 2.77 94156 2659644 975304 5.60 473528 2607244 12 10:30:08 12973456 15530520 452768 2.77 94632 2659780 975304 5.60 474004 2608144 40 10:40:19 9590252 12729920 3233464 19.75 116832 3192172 3473748 19.94 691088 5760108 1692 10:50:18 9901428 13160660 2801952 17.11 120596 3298792 3023352 17.35 716812 5402204 35192 Average: 11682238 14495902 1479245 9.03 103967 2894004 1884590 10.82 565686 3796934 7389 10:00:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:18 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 10:10:18 ens3 12.97 7.61 185.80 0.56 0.00 0.00 0.00 0.00 10:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:17 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:20:17 ens3 0.32 0.11 0.07 0.04 0.00 0.00 0.00 0.00 10:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:08 ens3 0.25 0.08 0.04 0.02 0.00 0.00 0.00 0.00 10:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:19 lo 0.41 0.41 0.05 0.05 0.00 0.00 0.00 0.00 10:40:19 ens3 59.42 42.95 557.11 7.11 0.00 0.00 0.00 0.00 10:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:18 lo 0.53 0.53 0.37 0.37 0.00 0.00 0.00 0.00 10:50:18 ens3 5.44 4.41 30.13 1.06 0.00 0.00 0.00 0.00 10:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.26 0.26 0.09 0.09 0.00 0.00 0.00 0.00 Average: ens3 15.89 11.18 156.62 1.78 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-1722) 01/18/26 _x86_64_ (4 CPU) 09:57:28 LINUX RESTART (4 CPU) 10:00:17 CPU %user %nice %system %iowait %steal %idle 10:10:18 all 0.45 0.00 0.13 0.07 0.02 99.33 10:10:18 0 0.40 0.00 0.15 0.05 0.02 99.39 10:10:18 1 0.18 0.00 0.13 0.05 0.02 99.62 10:10:18 2 0.61 0.00 0.15 0.11 0.03 99.10 10:10:18 3 0.62 0.00 0.09 0.06 0.03 99.20 10:20:17 all 0.05 0.00 0.03 0.01 0.02 99.89 10:20:17 0 0.07 0.00 0.03 0.00 0.02 99.87 10:20:17 1 0.10 0.00 0.02 0.02 0.02 99.85 10:20:17 2 0.03 0.00 0.02 0.01 0.01 99.93 10:20:17 3 0.02 0.00 0.03 0.00 0.03 99.92 10:30:08 all 0.23 0.00 0.03 0.01 0.02 99.72 10:30:08 0 0.01 0.00 0.02 0.00 0.01 99.96 10:30:08 1 0.82 0.00 0.03 0.00 0.03 99.12 10:30:08 2 0.08 0.00 0.03 0.02 0.03 99.84 10:30:08 3 0.01 0.00 0.02 0.01 0.01 99.96 10:40:19 all 48.21 0.00 0.93 0.07 0.07 50.72 10:40:19 0 48.18 0.00 0.81 0.05 0.08 50.88 10:40:19 1 51.25 0.00 0.93 0.04 0.08 47.70 10:40:19 2 43.75 0.00 0.99 0.06 0.07 55.12 10:40:19 3 49.65 0.00 1.00 0.12 0.07 49.17 10:50:18 all 43.73 0.00 0.50 0.02 0.07 55.68 10:50:18 0 49.89 0.00 0.51 0.01 0.07 49.52 10:50:18 1 36.29 0.00 0.51 0.02 0.07 63.12 10:50:18 2 49.52 0.00 0.55 0.01 0.06 49.86 10:50:18 3 39.25 0.00 0.44 0.03 0.07 60.20 Average: all 18.68 0.00 0.33 0.03 0.04 80.92 Average: 0 19.88 0.00 0.31 0.02 0.04 79.76 Average: 1 17.87 0.00 0.33 0.03 0.04 81.74 Average: 2 18.94 0.00 0.35 0.04 0.04 80.63 Average: 3 18.06 0.00 0.32 0.05 0.04 81.54