---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17070 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 13G 65G 17% / 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 690 8138 4 7160 14956 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:5c:c8:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83950sec preferred_lft 83950sec inet6 fe80::f816:3eff:fe5c:c80e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:f0:29:c6:46:7e 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-17070) 05/20/26 _x86_64_ (4 CPU) 10:27:12 LINUX RESTART (4 CPU) 10:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:40:01 34.04 3.37 27.52 3.15 564.10 5144.20 10036.00 10:50:00 25.26 0.02 22.42 2.83 0.21 2221.35 9335.09 11:00:01 29.24 0.03 14.05 15.16 0.51 3402.61 250410.12 Average: 29.52 1.14 21.33 7.05 188.32 3589.94 89991.84 10:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:40:01 9097964 12979604 2977892 18.19 139500 3860380 3190192 18.31 841708 6044320 212692 10:50:00 8844900 13040980 2913784 17.80 158080 4126356 3042088 17.46 923924 6174536 127588 11:00:01 5599544 10501664 5449904 33.29 167488 4797136 5260728 30.20 1163392 9148188 164 Average: 7847469 12174083 3780527 23.09 155023 4261291 3831003 21.99 976341 7122348 113481 10:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:40:01 lo 1521.66 1521.66 1444.35 1444.35 0.00 0.00 0.00 0.00 10:40:01 ens3 120.44 93.53 1104.13 19.16 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:00 lo 1222.28 1222.28 1164.30 1164.30 0.00 0.00 0.00 0.00 10:50:00 ens3 38.93 30.70 27.55 11.64 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 617.17 617.17 5002.84 5002.84 0.00 0.00 0.00 0.00 11:00:01 ens3 20.30 15.04 10.83 5.83 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1120.23 1120.23 2538.22 2538.22 0.00 0.00 0.00 0.00 Average: ens3 59.89 46.42 380.92 12.21 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-17070) 05/20/26 _x86_64_ (4 CPU) 10:27:12 LINUX RESTART (4 CPU) 10:30:00 CPU %user %nice %system %iowait %steal %idle 10:40:01 all 59.31 0.00 2.47 0.18 0.11 37.92 10:40:01 0 57.87 0.00 2.20 0.23 0.11 39.60 10:40:01 1 60.13 0.00 2.31 0.16 0.11 37.28 10:40:01 2 60.02 0.00 2.70 0.12 0.11 37.05 10:40:01 3 59.23 0.00 2.69 0.22 0.11 37.75 10:50:00 all 66.03 0.00 2.41 0.08 0.12 31.36 10:50:00 0 65.64 0.00 2.59 0.08 0.11 31.58 10:50:00 1 65.98 0.00 2.48 0.13 0.12 31.31 10:50:00 2 66.54 0.00 2.25 0.05 0.12 31.04 10:50:00 3 65.97 0.00 2.32 0.06 0.12 31.52 11:00:01 all 35.10 0.00 1.40 0.12 0.10 63.27 11:00:01 0 32.45 0.00 1.42 0.10 0.11 65.92 11:00:01 1 33.24 0.00 1.25 0.27 0.10 65.14 11:00:01 2 34.01 0.00 1.70 0.06 0.10 64.13 11:00:01 3 40.70 0.00 1.24 0.06 0.10 57.90 Average: all 53.47 0.00 2.09 0.13 0.11 44.20 Average: 0 51.98 0.00 2.07 0.14 0.11 45.70 Average: 1 53.10 0.00 2.01 0.19 0.11 44.60 Average: 2 53.52 0.00 2.21 0.08 0.11 44.08 Average: 3 55.29 0.00 2.08 0.12 0.11 42.40