---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39308 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: 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 12G 67G 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 724 9630 4 5634 14922 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:c7:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84490sec preferred_lft 84490sec inet6 fe80::f816:3eff:feca:c7ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:9f:5b:a8:b6:f4 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-39308) 07/27/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:01 23.09 2.66 18.74 1.68 147.67 4671.90 4982.21 06:50:03 32.34 0.04 28.98 3.33 1.62 3185.01 13119.20 Average: 27.72 1.35 23.87 2.51 74.53 3927.27 9057.17 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:01 9606940 13358124 2597896 15.87 156276 3680952 2667580 15.31 704140 5616812 16400 06:50:03 7645900 12795408 3154112 19.26 188884 4971552 3324576 19.08 1006644 7213160 811256 Average: 8626420 13076766 2876004 17.57 172580 4326252 2996078 17.20 855392 6414986 413828 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:01 lo 698.09 698.09 664.90 664.90 0.00 0.00 0.00 0.00 06:40:01 ens3 106.43 82.02 816.58 17.32 0.00 0.00 0.00 0.00 06:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:03 lo 1490.71 1490.71 1420.99 1420.99 0.00 0.00 0.00 0.00 06:50:03 ens3 63.81 48.21 214.81 13.70 0.00 0.00 0.00 0.00 06:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1095.03 1095.03 1043.55 1043.55 0.00 0.00 0.00 0.00 Average: ens3 85.08 65.09 515.22 15.51 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-39308) 07/27/26 _x86_64_ (4 CPU) 06:26:31 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:01 all 59.44 0.00 2.05 0.07 0.09 38.35 06:40:01 0 58.62 0.00 2.20 0.07 0.09 39.03 06:40:01 1 62.19 0.00 1.98 0.06 0.09 35.68 06:40:01 2 58.57 0.00 1.78 0.08 0.09 39.49 06:40:01 3 58.37 0.00 2.23 0.08 0.09 39.22 06:50:03 all 56.98 0.00 2.52 0.07 0.10 40.32 06:50:03 0 57.46 0.00 2.57 0.07 0.10 39.81 06:50:03 1 57.91 0.00 2.22 0.05 0.10 39.73 06:50:03 2 57.37 0.00 2.77 0.07 0.10 39.70 06:50:03 3 55.19 0.00 2.55 0.12 0.11 42.03 Average: all 58.21 0.00 2.29 0.07 0.10 39.34 Average: 0 58.04 0.00 2.38 0.07 0.10 39.42 Average: 1 60.05 0.00 2.10 0.05 0.09 37.71 Average: 2 57.96 0.00 2.28 0.07 0.10 39.59 Average: 3 56.78 0.00 2.39 0.10 0.10 40.62