---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-254 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 639 10567 4 4781 15007 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:26:f1:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82863sec preferred_lft 82863sec inet6 fe80::f816:3eff:fe26:f1e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:9d:0d:9d:83:bd 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-254) 07/29/26 _x86_64_ (4 CPU) 03:56:55 LINUX RESTART (4 CPU) 04:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:10:13 4.02 0.09 3.64 0.29 3.70 268.15 415.22 04:20:10 1.51 0.01 1.50 0.00 0.05 16.77 0.21 04:30:01 1.36 0.00 1.36 0.00 0.00 14.80 0.00 04:40:10 1.46 0.00 1.46 0.00 0.00 16.04 0.00 04:50:10 47.60 4.77 41.74 1.08 277.50 4855.43 2183.73 Average: 11.18 0.97 9.93 0.28 56.15 1033.12 520.36 04:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:10:13 13655924 15503516 513160 3.13 57260 2016144 1136216 6.52 225424 2226684 24 04:20:10 13655684 15504052 512624 3.13 57896 2016260 1136216 6.52 226064 2227612 20 04:30:01 13655180 15504108 512640 3.13 58464 2016268 1136216 6.52 226600 2228332 200 04:40:10 13654928 15504620 512128 3.13 59040 2016404 1136216 6.52 227224 2230056 40 04:50:10 10647268 13886100 2075516 12.68 122316 3272232 2371052 13.61 508048 4867252 5984 Average: 13053797 15180479 825214 5.04 70995 2267462 1383183 7.94 282672 2755987 1254 04:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:10:13 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 04:10:13 ens3 9.02 6.59 84.61 0.47 0.00 0.00 0.00 0.00 04:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:20:10 ens3 0.22 0.12 0.06 0.04 0.00 0.00 0.00 0.00 04:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:30:01 ens3 0.18 0.08 0.05 0.02 0.00 0.00 0.00 0.00 04:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:40:10 ens3 0.29 0.11 0.08 0.04 0.00 0.00 0.00 0.00 04:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:10 lo 111.63 111.63 102.32 102.32 0.00 0.00 0.00 0.00 04:50:10 ens3 129.42 96.17 1123.53 17.68 0.00 0.00 0.00 0.00 04:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.37 22.37 20.43 20.43 0.00 0.00 0.00 0.00 Average: ens3 27.80 20.60 241.49 3.64 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-254) 07/29/26 _x86_64_ (4 CPU) 03:56:55 LINUX RESTART (4 CPU) 04:00:01 CPU %user %nice %system %iowait %steal %idle 04:10:13 all 0.40 0.00 0.14 0.07 0.02 99.37 04:10:13 0 0.22 0.00 0.26 0.13 0.02 99.36 04:10:13 1 0.35 0.00 0.10 0.02 0.03 99.50 04:10:13 2 0.24 0.00 0.09 0.03 0.02 99.62 04:10:13 3 0.80 0.00 0.11 0.10 0.02 98.98 04:20:10 all 0.10 0.00 0.03 0.03 0.02 99.82 04:20:10 0 0.28 0.00 0.03 0.09 0.02 99.57 04:20:10 1 0.02 0.00 0.03 0.01 0.02 99.93 04:20:10 2 0.09 0.00 0.02 0.00 0.01 99.87 04:20:10 3 0.02 0.00 0.03 0.04 0.01 99.90 04:30:01 all 0.06 0.00 0.02 0.01 0.02 99.89 04:30:01 0 0.01 0.00 0.01 0.04 0.01 99.94 04:30:01 1 0.02 0.00 0.03 0.01 0.02 99.92 04:30:01 2 0.20 0.00 0.02 0.00 0.02 99.76 04:30:01 3 0.02 0.00 0.03 0.01 0.02 99.94 04:40:10 all 0.15 0.00 0.02 0.01 0.02 99.80 04:40:10 0 0.01 0.00 0.02 0.02 0.01 99.94 04:40:10 1 0.02 0.00 0.02 0.00 0.01 99.95 04:40:10 2 0.54 0.00 0.03 0.00 0.03 99.40 04:40:10 3 0.03 0.00 0.03 0.01 0.02 99.91 04:50:10 all 26.04 0.00 1.11 0.27 0.05 72.53 04:50:10 0 27.59 0.00 1.03 0.10 0.04 71.24 04:50:10 1 24.99 0.00 1.35 0.37 0.05 73.24 04:50:10 2 25.02 0.00 0.93 0.10 0.06 73.89 04:50:10 3 26.57 0.00 1.12 0.52 0.05 71.74 Average: all 5.34 0.00 0.26 0.08 0.02 94.29 Average: 0 5.61 0.00 0.27 0.08 0.02 94.02 Average: 1 5.06 0.00 0.30 0.08 0.02 94.53 Average: 2 5.22 0.00 0.22 0.03 0.03 94.51 Average: 3 5.47 0.00 0.26 0.13 0.02 94.11