---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1255 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 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 673 10485 4 4830 14973 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:22:90:f3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.76/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82931sec preferred_lft 82931sec inet6 fe80::f816:3eff:fe22:90f3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:be:45:80:f1:54 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-1255) 08/01/26 _x86_64_ (4 CPU) 19:03:15 LINUX RESTART (4 CPU) 19:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 1.75 0.01 1.74 0.00 0.05 28.83 0.15 19:30:06 1.75 0.00 1.75 0.00 0.00 26.64 0.00 19:40:08 10.56 1.91 8.19 0.46 123.55 2225.26 1243.86 19:50:01 33.28 0.79 16.45 16.04 28.41 3285.95 244353.94 20:00:07 18.11 0.24 14.64 3.23 11.63 2036.93 9319.32 Average: 13.05 0.59 8.55 3.91 32.77 1517.95 50423.89 19:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 13023412 15496552 478040 2.92 98404 2563824 998916 5.73 337312 2686060 60 19:30:06 13011024 15485292 489164 2.99 99328 2563940 998916 5.73 338244 2689324 188 19:40:08 10779736 13985040 1976064 12.07 126012 3213912 2257564 12.96 530152 4696520 36688 19:50:01 9130064 13321008 2631808 16.07 164432 4078636 3097864 17.78 762032 6004348 85220 20:00:07 10811088 15398228 552472 3.37 173640 4443592 1036972 5.95 909024 4132232 3128 Average: 11351065 14737224 1225510 7.48 132363 3372781 1678046 9.63 575353 4041697 25057 19:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:20:01 ens3 6.79 5.52 99.19 0.68 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:06 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:30:06 ens3 4.63 3.77 79.42 0.44 0.00 0.00 0.00 0.00 19:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:08 lo 0.66 0.66 0.06 0.06 0.00 0.00 0.00 0.00 19:40:08 ens3 79.70 61.78 626.93 12.76 0.00 0.00 0.00 0.00 19:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 lo 608.76 608.76 579.20 579.20 0.00 0.00 0.00 0.00 19:50:01 ens3 92.17 67.48 334.30 18.87 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:07 lo 1095.96 1095.96 1032.01 1032.01 0.00 0.00 0.00 0.00 20:00:07 ens3 91.03 87.01 138.46 184.35 0.00 0.00 0.00 0.00 20:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 341.54 341.54 322.64 322.64 0.00 0.00 0.00 0.00 Average: ens3 54.86 45.14 255.51 43.69 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-1255) 08/01/26 _x86_64_ (4 CPU) 19:03:15 LINUX RESTART (4 CPU) 19:10:05 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 0.11 0.00 0.05 0.03 0.01 99.80 19:20:01 0 0.02 0.00 0.02 0.02 0.01 99.93 19:20:01 1 0.33 0.00 0.10 0.09 0.02 99.46 19:20:01 2 0.04 0.00 0.05 0.00 0.01 99.89 19:20:01 3 0.05 0.00 0.02 0.00 0.01 99.92 19:30:06 all 0.23 0.00 0.04 0.03 0.01 99.68 19:30:06 0 0.01 0.00 0.02 0.00 0.00 99.96 19:30:06 1 0.66 0.00 0.05 0.03 0.02 99.24 19:30:06 2 0.22 0.00 0.07 0.07 0.01 99.64 19:30:06 3 0.04 0.00 0.03 0.01 0.01 99.90 19:40:08 all 35.89 0.00 1.16 0.07 0.07 62.81 19:40:08 0 36.08 0.00 1.30 0.06 0.06 62.49 19:40:08 1 36.35 0.00 0.97 0.14 0.07 62.48 19:40:08 2 35.98 0.00 1.31 0.04 0.07 62.60 19:40:08 3 35.16 0.00 1.05 0.03 0.07 63.69 19:50:01 all 70.27 0.00 2.54 0.12 0.11 26.96 19:50:01 0 68.08 0.00 2.42 0.11 0.11 29.28 19:50:01 1 72.23 0.00 2.45 0.08 0.11 25.13 19:50:01 2 68.09 0.00 2.66 0.15 0.11 28.99 19:50:01 3 72.69 0.00 2.62 0.12 0.12 24.46 20:00:07 all 28.20 0.00 1.38 0.15 0.06 70.21 20:00:07 0 29.75 0.00 1.32 0.09 0.06 68.78 20:00:07 1 29.32 0.00 1.27 0.24 0.06 69.11 20:00:07 2 26.14 0.00 1.37 0.12 0.06 72.30 20:00:07 3 27.57 0.00 1.56 0.15 0.06 70.67 Average: all 26.82 0.00 1.03 0.08 0.05 72.02 Average: 0 26.67 0.00 1.01 0.06 0.05 72.20 Average: 1 27.64 0.00 0.96 0.12 0.05 71.22 Average: 2 25.98 0.00 1.09 0.08 0.05 72.80 Average: 3 26.97 0.00 1.05 0.06 0.05 71.86