---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54500 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: 5600.00 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 67G 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 627 10449 4 4912 15019 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:ca:89:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.127/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84043sec preferred_lft 84043sec inet6 fe80::f816:3eff:feca:8972/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:bd:42:69:e1:1b 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-54500) 03/31/26 _x86_64_ (4 CPU) 09:13:09 LINUX RESTART (4 CPU) 09:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:00 11.08 1.92 8.69 0.47 124.04 2292.71 274.32 09:40:01 19.89 0.77 16.89 2.23 27.85 3440.00 1379.88 09:50:01 15.36 0.39 12.24 2.72 13.57 1988.58 1896.56 Average: 15.45 1.03 12.61 1.81 55.15 2574.10 1183.53 09:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:00 10504176 13744972 2215696 13.53 128200 3250260 2628228 15.09 592156 4915416 39492 09:40:01 8798660 13100252 2852108 17.42 175080 4175824 3038856 17.44 841364 6272996 116532 09:50:01 10644144 15314580 636160 3.89 182392 4517368 1105468 6.35 972536 4260436 268 Average: 9982327 14053268 1901321 11.61 161891 3981151 2257517 12.96 802019 5149616 52097 09:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:00 lo 0.70 0.70 0.07 0.07 0.00 0.00 0.00 0.00 09:30:00 ens3 68.85 58.85 605.34 14.08 0.00 0.00 0.00 0.00 09:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 858.98 858.98 818.07 818.07 0.00 0.00 0.00 0.00 09:40:01 ens3 76.13 57.62 325.78 18.10 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 840.34 840.34 791.99 791.99 0.00 0.00 0.00 0.00 09:50:01 ens3 59.89 60.71 123.69 148.67 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 566.71 566.71 536.75 536.75 0.00 0.00 0.00 0.00 Average: ens3 68.29 59.06 351.63 60.26 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-54500) 03/31/26 _x86_64_ (4 CPU) 09:13:09 LINUX RESTART (4 CPU) 09:20:00 CPU %user %nice %system %iowait %steal %idle 09:30:00 all 38.69 0.00 1.24 0.04 0.07 59.95 09:30:00 0 40.46 0.00 1.55 0.03 0.07 57.88 09:30:00 1 38.45 0.00 1.15 0.05 0.07 60.28 09:30:00 2 37.85 0.00 1.11 0.02 0.07 60.95 09:30:00 3 38.01 0.00 1.16 0.06 0.07 60.70 09:40:01 all 69.97 0.00 2.61 0.06 0.12 27.25 09:40:01 0 69.81 0.00 2.43 0.06 0.11 27.60 09:40:01 1 71.75 0.00 2.87 0.07 0.12 25.19 09:40:01 2 68.23 0.00 2.56 0.08 0.12 29.01 09:40:01 3 70.09 0.00 2.56 0.03 0.12 27.20 09:50:01 all 26.25 0.00 1.16 0.09 0.06 72.44 09:50:01 0 23.62 0.00 1.25 0.07 0.05 75.01 09:50:01 1 27.13 0.00 1.17 0.02 0.06 71.62 09:50:01 2 28.48 0.00 1.11 0.18 0.06 70.17 09:50:01 3 25.78 0.00 1.10 0.09 0.06 72.97 Average: all 44.96 0.00 1.67 0.06 0.08 53.22 Average: 0 44.62 0.00 1.74 0.05 0.08 53.51 Average: 1 45.76 0.00 1.73 0.05 0.08 52.39 Average: 2 44.86 0.00 1.59 0.09 0.08 53.38 Average: 3 44.62 0.00 1.61 0.06 0.08 53.63