---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26924 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 749 9178 4 6060 14897 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:50:bd:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83693sec preferred_lft 83693sec inet6 fe80::f816:3eff:fe50:bd27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:77:74:9c:c7:55 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-26924) 06/12/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:29 13.35 2.23 10.22 0.90 131.87 3129.96 1542.38 20:50:11 48.97 0.35 40.21 8.41 10.51 4501.31 26681.54 21:00:04 56.88 0.01 34.81 22.07 0.18 2901.30 255983.54 Average: 39.29 0.88 28.08 10.33 48.98 3499.44 93759.38 20:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:29 9815340 13478152 2480092 15.15 152168 3620884 2923544 16.78 720420 5443480 56768 20:50:11 8450916 13155972 2793440 17.06 204560 4525036 3049168 17.50 954656 6462236 117064 21:00:04 8094044 13184772 2760096 16.86 242592 4829956 2908236 16.69 1071364 6642132 21512 Average: 8786767 13272965 2677876 16.36 199773 4325292 2960316 16.99 915480 6182616 65115 20:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:29 lo 1.21 1.21 0.12 0.12 0.00 0.00 0.00 0.00 20:40:29 ens3 92.27 72.90 529.28 18.96 0.00 0.00 0.00 0.00 20:40:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:11 lo 4372.38 4372.38 4169.24 4169.24 0.00 0.00 0.00 0.00 20:50:11 ens3 82.26 61.39 329.23 18.17 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 21:00:04 lo 4288.90 4288.90 4088.51 4088.51 0.00 0.00 0.00 0.00 21:00:04 ens3 73.36 54.57 21.28 18.74 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2836.22 2836.22 2703.72 2703.72 0.00 0.00 0.00 0.00 Average: ens3 82.77 63.11 296.54 18.63 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-26924) 06/12/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:09 CPU %user %nice %system %iowait %steal %idle 20:40:29 all 60.06 0.00 2.21 0.05 0.08 37.59 20:40:29 0 59.20 0.00 2.33 0.03 0.08 38.35 20:40:29 1 60.69 0.00 2.16 0.05 0.09 37.01 20:40:29 2 59.39 0.00 2.26 0.03 0.08 38.24 20:40:29 3 60.97 0.00 2.07 0.11 0.08 36.77 20:50:11 all 64.06 0.00 4.07 0.11 0.09 31.67 20:50:11 0 62.50 0.00 3.96 0.14 0.09 33.31 20:50:11 1 64.64 0.00 3.94 0.17 0.09 31.16 20:50:11 2 65.18 0.00 3.86 0.06 0.09 30.81 20:50:11 3 63.90 0.00 4.54 0.06 0.09 31.41 21:00:04 all 63.37 0.00 4.18 0.10 0.08 32.26 21:00:04 0 63.38 0.00 4.39 0.17 0.08 31.98 21:00:04 1 63.39 0.00 3.91 0.08 0.08 32.53 21:00:04 2 63.95 0.00 4.38 0.06 0.08 31.52 21:00:04 3 62.77 0.00 4.06 0.09 0.08 33.00 Average: all 62.45 0.00 3.46 0.09 0.09 33.91 Average: 0 61.66 0.00 3.54 0.11 0.09 34.61 Average: 1 62.86 0.00 3.31 0.10 0.09 33.64 Average: 2 62.78 0.00 3.48 0.05 0.09 33.61 Average: 3 62.52 0.00 3.53 0.09 0.09 33.79