---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22348 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 12G 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 726 9451 4 5810 14920 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:1e:00:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84079sec preferred_lft 84079sec inet6 fe80::f816:3eff:fe1e:b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:5a:e6:3b:d4:26 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-22348) 06/01/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:10 20.02 0.47 17.48 2.07 14.26 4610.24 2771.62 20:50:11 54.43 0.00 43.68 10.74 0.13 2646.93 9027.34 21:00:11 25.96 0.30 21.38 4.29 11.72 4482.83 4402.19 Average: 33.47 0.26 27.51 5.70 8.70 3913.19 5400.26 20:30:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:10 9304628 13442376 2510584 15.33 183888 4008416 2762224 15.86 747680 5844776 5864 20:50:11 8594140 13072900 2876408 17.57 211652 4287080 3181936 18.26 840248 6446340 13316 21:00:11 9790212 15373412 571204 3.49 241396 5305864 1122692 6.44 1205804 4786408 252 Average: 9229660 13962896 1986065 12.13 212312 4533787 2355617 13.52 931244 5692508 6477 20:30:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:10 lo 745.10 745.10 709.72 709.72 0.00 0.00 0.00 0.00 20:40:10 ens3 89.05 67.90 321.11 19.96 0.00 0.00 0.00 0.00 20:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:11 lo 5627.84 5627.84 5366.56 5366.56 0.00 0.00 0.00 0.00 20:50:11 ens3 75.23 55.23 26.91 20.33 0.00 0.00 0.00 0.00 20:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:11 lo 1910.12 1910.12 1804.88 1804.88 0.00 0.00 0.00 0.00 21:00:11 ens3 95.99 95.56 113.74 163.74 0.00 0.00 0.00 0.00 21:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2760.98 2760.98 2627.02 2627.02 0.00 0.00 0.00 0.00 Average: ens3 86.75 72.88 153.99 67.94 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-22348) 06/01/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:08 CPU %user %nice %system %iowait %steal %idle 20:40:10 all 67.15 0.00 2.57 0.05 0.12 30.11 20:40:10 0 67.58 0.00 2.21 0.04 0.12 30.05 20:40:10 1 66.47 0.00 2.83 0.06 0.12 30.52 20:40:10 2 66.28 0.00 2.34 0.04 0.12 31.22 20:40:10 3 68.28 0.00 2.91 0.05 0.13 28.63 20:50:11 all 62.76 0.00 4.26 0.08 0.11 32.78 20:50:11 0 62.34 0.00 4.20 0.07 0.11 33.28 20:50:11 1 63.17 0.00 4.49 0.09 0.11 32.13 20:50:11 2 63.10 0.00 4.15 0.05 0.11 32.59 20:50:11 3 62.43 0.00 4.21 0.12 0.11 33.13 21:00:11 all 44.29 0.00 2.27 0.09 0.08 53.27 21:00:11 0 37.88 0.00 2.11 0.04 0.07 59.89 21:00:11 1 50.66 0.00 2.13 0.05 0.08 47.08 21:00:11 2 39.52 0.00 2.34 0.17 0.08 57.90 21:00:11 3 49.11 0.00 2.49 0.09 0.08 48.23 Average: all 58.07 0.00 3.03 0.07 0.10 38.72 Average: 0 55.95 0.00 2.84 0.05 0.10 41.06 Average: 1 60.10 0.00 3.15 0.06 0.10 36.58 Average: 2 56.30 0.00 2.94 0.09 0.10 40.57 Average: 3 59.94 0.00 3.20 0.09 0.11 36.66