---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-47783 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 607 10927 4 4454 15039 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:40:e0:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82847sec preferred_lft 82847sec inet6 fe80::f816:3eff:fe40:e0c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:39:03:36:62:10 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-47783) 03/05/26 _x86_64_ (4 CPU) 07:16:53 LINUX RESTART (4 CPU) 07:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:16 1.34 0.04 1.29 0.01 1.99 16.77 0.57 07:40:16 1.12 0.01 1.11 0.00 0.04 13.67 0.00 07:50:01 1.04 0.00 1.04 0.00 0.00 12.50 0.00 08:00:13 1.13 0.00 1.13 0.00 0.00 13.72 0.00 08:10:16 44.68 4.70 38.92 1.06 270.05 4233.77 1036.83 Average: 9.85 0.95 8.69 0.21 54.37 857.18 207.25 07:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:16 13803828 15541460 477784 2.92 54244 1910448 1131220 6.49 192852 2141328 44 07:40:16 13803084 15541224 477848 2.92 54576 1910584 1131220 6.49 193192 2142368 180 07:50:01 13802832 15541376 477700 2.92 54952 1910592 1131220 6.49 193560 2142868 4 08:00:13 13802108 15541032 478104 2.92 55320 1910604 1131284 6.49 193920 2143672 20 08:10:16 11075244 14014564 1949068 11.90 116072 2992820 2289548 13.14 469972 4503512 7804 Average: 13257419 15235931 772101 4.72 67033 2127010 1362898 7.82 248699 2614750 1610 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:30:16 ens3 0.28 0.12 0.08 0.04 0.00 0.00 0.00 0.00 07:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:16 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:40:16 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 07:40:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:50:01 ens3 0.18 0.09 0.04 0.02 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 08:00:13 ens3 0.18 0.09 0.04 0.02 0.00 0.00 0.00 0.00 08:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:16 lo 86.65 86.65 78.51 78.51 0.00 0.00 0.00 0.00 08:10:16 ens3 112.65 83.74 1022.33 16.33 0.00 0.00 0.00 0.00 08:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 17.39 17.39 15.69 15.69 0.00 0.00 0.00 0.00 Average: ens3 22.67 16.80 204.28 3.28 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-47783) 03/05/26 _x86_64_ (4 CPU) 07:16:53 LINUX RESTART (4 CPU) 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:30:16 all 0.23 0.00 0.03 0.01 0.02 99.72 07:30:16 0 0.03 0.00 0.03 0.00 0.02 99.92 07:30:16 1 0.02 0.00 0.02 0.01 0.01 99.94 07:30:16 2 0.04 0.00 0.03 0.03 0.02 99.89 07:30:16 3 0.84 0.00 0.03 0.00 0.01 99.12 07:40:16 all 0.06 0.00 0.02 0.01 0.02 99.90 07:40:16 0 0.02 0.00 0.01 0.00 0.01 99.96 07:40:16 1 0.02 0.00 0.01 0.02 0.01 99.93 07:40:16 2 0.02 0.00 0.02 0.01 0.02 99.94 07:40:16 3 0.19 0.00 0.03 0.00 0.03 99.75 07:50:01 all 0.09 0.00 0.02 0.01 0.02 99.86 07:50:01 0 0.01 0.00 0.02 0.00 0.01 99.96 07:50:01 1 0.01 0.00 0.01 0.03 0.02 99.93 07:50:01 2 0.01 0.00 0.02 0.00 0.02 99.95 07:50:01 3 0.33 0.00 0.03 0.00 0.03 99.61 08:00:13 all 0.21 0.00 0.02 0.01 0.02 99.75 08:00:13 0 0.50 0.00 0.02 0.00 0.02 99.46 08:00:13 1 0.09 0.00 0.02 0.02 0.01 99.86 08:00:13 2 0.15 0.00 0.02 0.00 0.02 99.81 08:00:13 3 0.08 0.00 0.02 0.00 0.01 99.87 08:10:16 all 25.44 0.00 1.06 0.26 0.05 73.19 08:10:16 0 25.18 0.00 1.03 0.07 0.05 73.67 08:10:16 1 24.10 0.00 1.06 0.12 0.05 74.67 08:10:16 2 26.64 0.00 1.00 0.50 0.06 71.81 08:10:16 3 25.84 0.00 1.16 0.35 0.05 72.60 Average: all 5.19 0.00 0.23 0.06 0.02 94.50 Average: 0 5.14 0.00 0.22 0.02 0.02 94.60 Average: 1 4.84 0.00 0.22 0.04 0.02 94.88 Average: 2 5.35 0.00 0.22 0.11 0.02 94.30 Average: 3 5.44 0.00 0.25 0.07 0.03 94.21