---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-52666 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 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 710 10553 4 4725 14936 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:e3:c4:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84110sec preferred_lft 84110sec inet6 fe80::f816:3eff:fee3:c44b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:9e:f6:d3:2e:78 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-52666) 03/05/26 _x86_64_ (4 CPU) 09:12:11 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 10.54 1.91 8.26 0.37 123.97 2020.57 195.29 09:40:00 12.27 0.82 10.37 1.08 28.53 2521.92 327.80 09:50:13 26.32 0.38 21.39 4.55 18.82 3259.42 5951.69 Average: 16.44 1.03 13.40 2.01 56.85 2605.20 2184.89 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 11278232 14230624 1732612 10.58 118408 2987952 2146640 12.32 503760 4248804 28696 09:40:00 8994884 13090684 2862980 17.49 160768 3992736 3038656 17.44 731168 6182776 412676 09:50:13 10799608 15284292 666800 4.07 173580 4345600 1177636 6.76 914812 4180316 13252 Average: 10357575 14201867 1754131 10.71 150919 3775429 2120977 12.17 716580 4870632 151541 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 09:30:01 ens3 75.93 57.74 607.20 10.57 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 132.35 132.35 125.11 125.11 0.00 0.00 0.00 0.00 09:40:00 ens3 89.24 64.11 367.18 17.98 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:13 lo 1816.33 1816.33 1721.40 1721.40 0.00 0.00 0.00 0.00 09:50:13 ens3 98.46 89.22 135.67 195.08 0.00 0.00 0.00 0.00 09:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 657.94 657.94 623.28 623.28 0.00 0.00 0.00 0.00 Average: ens3 87.95 70.49 368.40 75.39 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-52666) 03/05/26 _x86_64_ (4 CPU) 09:12:11 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 30.11 0.00 0.93 0.17 0.06 68.73 09:30:01 0 29.87 0.00 0.92 0.11 0.05 69.05 09:30:01 1 29.66 0.00 1.01 0.15 0.06 69.11 09:30:01 2 31.15 0.00 0.76 0.11 0.06 67.91 09:30:01 3 29.76 0.00 1.03 0.31 0.05 68.86 09:40:00 all 70.72 0.00 2.26 0.32 0.11 26.59 09:40:00 0 74.74 0.00 2.57 0.39 0.12 22.18 09:40:00 1 68.95 0.00 2.16 0.24 0.11 28.54 09:40:00 2 71.04 0.00 2.03 0.14 0.11 26.68 09:40:00 3 68.14 0.00 2.27 0.50 0.12 28.98 09:50:13 all 36.65 0.00 1.92 1.58 0.08 59.78 09:50:13 0 37.66 0.00 2.15 2.00 0.08 58.11 09:50:13 1 33.89 0.00 1.75 1.39 0.08 62.90 09:50:13 2 37.27 0.00 1.71 1.66 0.08 59.27 09:50:13 3 37.78 0.00 2.05 1.26 0.08 58.83 Average: all 45.75 0.00 1.70 0.70 0.08 51.78 Average: 0 47.33 0.00 1.88 0.84 0.08 49.86 Average: 1 44.07 0.00 1.64 0.60 0.08 53.60 Average: 2 46.41 0.00 1.50 0.64 0.08 51.37 Average: 3 45.17 0.00 1.78 0.69 0.08 52.27