---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-427809 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 683 9312 4 5993 14963 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:3a:10:76 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84729sec preferred_lft 84729sec inet6 fe80::f816:3eff:fe3a:1076/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:ae:44:19:e3:7d 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-427809) 03/10/26 _x86_64_ (4 CPU) 14:29:01 LINUX RESTART (4 CPU) 14:30:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:01 39.93 3.85 31.90 4.18 592.28 5619.29 58187.48 14:50:01 17.41 0.15 14.67 2.59 4.44 1343.73 23959.95 Average: 28.52 1.98 23.17 3.37 294.58 3453.99 40853.47 14:30:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:01 9537036 13109156 2849292 17.40 128184 3570832 3126932 17.95 783152 5672992 1804 14:50:01 9114632 13073324 2881816 17.60 147460 3913052 3095224 17.77 903584 5934228 99616 Average: 9325834 13091240 2865554 17.50 137822 3741942 3111078 17.86 843368 5803610 50710 14:30:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:01 lo 18.88 18.88 4.04 4.04 0.00 0.00 0.00 0.00 14:40:01 ens3 90.86 68.98 930.27 10.53 0.00 0.00 0.00 0.00 14:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:01 lo 1050.48 1050.48 970.61 970.61 0.00 0.00 0.00 0.00 14:50:01 ens3 29.35 19.68 239.86 3.38 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 541.32 541.32 493.54 493.54 0.00 0.00 0.00 0.00 Average: ens3 59.71 44.01 580.62 6.91 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-427809) 03/10/26 _x86_64_ (4 CPU) 14:29:01 LINUX RESTART (4 CPU) 14:30:16 CPU %user %nice %system %iowait %steal %idle 14:40:01 all 40.26 0.00 1.68 0.31 0.08 57.67 14:40:01 0 39.75 0.00 1.32 0.21 0.08 58.64 14:40:01 1 39.66 0.00 1.56 0.25 0.08 58.45 14:40:01 2 39.33 0.00 2.11 0.54 0.09 57.93 14:40:01 3 42.32 0.00 1.71 0.23 0.08 55.66 14:50:01 all 24.98 0.00 1.47 0.36 0.09 73.10 14:50:01 0 25.16 0.00 1.70 0.06 0.09 72.99 14:50:01 1 24.67 0.00 1.24 0.13 0.09 73.86 14:50:01 2 24.49 0.00 1.27 1.24 0.09 72.91 14:50:01 3 25.58 0.00 1.67 0.03 0.09 72.63 Average: all 32.52 0.00 1.57 0.34 0.09 65.48 Average: 0 32.36 0.00 1.51 0.13 0.09 65.90 Average: 1 32.06 0.00 1.40 0.19 0.09 66.26 Average: 2 31.81 0.00 1.68 0.89 0.09 65.52 Average: 3 33.85 0.00 1.69 0.13 0.09 64.24