---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11684 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: 5600.00 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 693 10409 4 4886 14953 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:86:fb:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83910sec preferred_lft 83910sec inet6 fe80::f816:3eff:fe86:fb09/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:e7:3d:7e:26:6b 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-11684) 05/07/26 _x86_64_ (4 CPU) 08:12:59 LINUX RESTART (4 CPU) 08:20:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:36 24.81 1.93 8.85 14.03 125.06 2565.81 242174.91 08:40:01 26.25 0.82 22.37 3.06 29.76 3285.75 3777.96 08:50:28 10.86 0.38 8.60 1.89 13.00 1775.39 829.39 Average: 20.38 1.04 13.03 6.31 55.67 2516.44 82263.85 08:20:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:36 10778992 14129480 1829980 11.18 133232 3335516 2441864 14.02 613920 4593400 23376 08:40:01 8845188 13025944 2925664 17.87 168824 4056556 3182116 18.27 832420 6228544 13056 08:50:28 10709184 15353092 597060 3.65 176908 4489872 1094656 6.28 967000 4169084 4 Average: 10111121 14169505 1784235 10.90 159655 3960648 2239545 12.85 804447 4997009 12145 08:20:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:36 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 08:30:36 ens3 85.15 70.69 605.25 16.12 0.00 0.00 0.00 0.00 08:30:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 lo 1301.84 1301.84 1240.89 1240.89 0.00 0.00 0.00 0.00 08:40:01 ens3 96.56 69.63 348.50 18.61 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:28 lo 391.64 391.64 364.05 364.05 0.00 0.00 0.00 0.00 08:50:28 ens3 52.85 52.87 116.52 97.00 0.00 0.00 0.00 0.00 08:50:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 549.00 549.00 519.80 519.80 0.00 0.00 0.00 0.00 Average: ens3 77.44 64.11 352.87 45.24 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-11684) 05/07/26 _x86_64_ (4 CPU) 08:12:59 LINUX RESTART (4 CPU) 08:20:39 CPU %user %nice %system %iowait %steal %idle 08:30:36 all 46.24 0.00 1.53 0.05 0.08 52.11 08:30:36 0 44.23 0.00 1.14 0.07 0.08 54.49 08:30:36 1 45.53 0.00 1.55 0.07 0.08 52.77 08:30:36 2 47.15 0.00 1.46 0.02 0.08 51.29 08:30:36 3 48.04 0.00 1.96 0.03 0.08 49.90 08:40:01 all 69.35 0.00 2.71 0.06 0.11 27.78 08:40:01 0 71.33 0.00 3.26 0.05 0.10 25.26 08:40:01 1 72.01 0.00 2.66 0.04 0.11 25.19 08:40:01 2 66.79 0.00 2.52 0.09 0.10 30.50 08:40:01 3 67.28 0.00 2.39 0.05 0.11 30.17 08:50:28 all 19.70 0.00 0.81 0.05 0.04 79.40 08:50:28 0 19.20 0.00 0.84 0.02 0.04 79.90 08:50:28 1 19.70 0.00 0.81 0.06 0.04 79.39 08:50:28 2 17.60 0.00 0.69 0.11 0.05 81.55 08:50:28 3 22.30 0.00 0.89 0.01 0.05 76.75 Average: all 44.22 0.00 1.65 0.05 0.07 54.01 Average: 0 44.00 0.00 1.70 0.05 0.07 54.18 Average: 1 44.79 0.00 1.64 0.05 0.07 53.44 Average: 2 43.01 0.00 1.53 0.07 0.08 55.32 Average: 3 45.08 0.00 1.72 0.03 0.08 53.09