---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-196643 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 66G 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 643 9313 4 6032 15003 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:e1:cb:c3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84519sec preferred_lft 84519sec inet6 fe80::f816:3eff:fee1:cbc3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:e5:5a:5b:96:de 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-196643) 03/07/26 _x86_64_ (4 CPU) 14:09:32 LINUX RESTART (4 CPU) 14:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:01 62.69 5.04 53.96 3.69 675.23 5908.97 59272.83 14:30:04 10.42 0.15 8.72 1.55 4.65 778.42 28964.45 14:40:00 33.70 0.39 28.86 4.45 14.24 8106.28 5858.64 Average: 35.56 1.86 30.47 3.22 231.31 4916.92 31407.04 14:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:01 9424328 12917332 3041872 18.58 128640 3493976 3315308 19.03 800868 5763652 1556 14:30:04 9410116 13290296 2666212 16.28 149836 3829200 2908528 16.69 900208 5623468 196056 14:40:00 9604472 15424272 522144 3.19 174484 5658776 1031020 5.92 1732268 4501540 1528 Average: 9479639 13877300 2076743 12.68 150987 4327317 2418285 13.88 1144448 5296220 66380 14:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:01 lo 14.78 14.78 3.25 3.25 0.00 0.00 0.00 0.00 14:20:01 ens3 114.06 84.76 1028.76 17.77 0.00 0.00 0.00 0.00 14:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:04 lo 208.62 208.62 163.88 163.88 0.00 0.00 0.00 0.00 14:30:04 ens3 33.74 22.17 231.81 4.28 0.00 0.00 0.00 0.00 14:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:00 lo 2017.79 2017.79 1944.64 1944.64 0.00 0.00 0.00 0.00 14:40:00 ens3 119.15 111.49 258.05 931.59 0.00 0.00 0.00 0.00 14:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 743.64 743.64 700.55 700.55 0.00 0.00 0.00 0.00 Average: ens3 88.81 72.63 506.10 316.12 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-196643) 03/07/26 _x86_64_ (4 CPU) 14:09:32 LINUX RESTART (4 CPU) 14:10:01 CPU %user %nice %system %iowait %steal %idle 14:20:01 all 33.96 0.00 1.45 0.35 0.08 64.16 14:20:01 0 32.65 0.00 1.14 0.21 0.08 65.92 14:20:01 1 34.35 0.00 1.46 0.49 0.08 63.61 14:20:01 2 35.42 0.00 1.71 0.17 0.08 62.62 14:20:01 3 33.43 0.00 1.47 0.52 0.08 64.50 14:30:04 all 19.66 0.00 0.95 0.05 0.09 79.25 14:30:04 0 18.34 0.00 0.88 0.05 0.09 80.64 14:30:04 1 20.11 0.00 0.86 0.03 0.08 78.92 14:30:04 2 20.06 0.00 1.02 0.08 0.09 78.74 14:30:04 3 20.12 0.00 1.06 0.02 0.09 78.71 14:40:00 all 47.84 0.00 2.40 0.10 0.08 49.57 14:40:00 0 43.04 0.00 2.29 0.02 0.08 54.57 14:40:00 1 51.36 0.00 2.44 0.09 0.08 46.03 14:40:00 2 49.08 0.00 2.46 0.11 0.08 48.27 14:40:00 3 47.91 0.00 2.42 0.18 0.08 49.41 Average: all 33.76 0.00 1.60 0.17 0.08 64.40 Average: 0 31.28 0.00 1.43 0.09 0.08 67.11 Average: 1 35.21 0.00 1.58 0.20 0.08 62.92 Average: 2 34.79 0.00 1.73 0.12 0.08 63.28 Average: 3 33.76 0.00 1.65 0.24 0.08 64.27