---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5653 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 9.9G 68G 13% / 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 684 11045 4 4258 14961 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:a8:11:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.118/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84754sec preferred_lft 84754sec inet6 fe80::f816:3eff:fea8:11cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:9a:76:bd:a6:2c 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-5653) 03/18/26 _x86_64_ (4 CPU) 20:53:29 LINUX RESTART (4 CPU) 21:00:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:10:18 52.58 0.92 42.98 8.68 40.50 4887.24 8923.69 21:20:00 22.25 0.31 18.46 3.48 12.16 2697.28 14497.47 Average: 37.65 0.62 30.91 6.12 26.55 3808.96 11668.07 21:00:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:10:18 10136412 13669280 2288944 13.98 174260 3459516 2557600 14.68 626700 5205904 127308 21:20:00 11395660 15394548 559992 3.42 202604 3860712 1098400 6.30 788388 3708540 148 Average: 10766036 14531914 1424468 8.70 188432 3660114 1828000 10.49 707544 4457222 63728 21:00:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:10:18 lo 4742.50 4742.50 4522.08 4522.08 0.00 0.00 0.00 0.00 21:10:18 ens3 133.72 98.23 256.94 30.17 0.00 0.00 0.00 0.00 21:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:00 lo 1513.95 1513.95 1427.05 1427.05 0.00 0.00 0.00 0.00 21:20:00 ens3 132.96 122.95 131.10 186.98 0.00 0.00 0.00 0.00 21:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3152.84 3152.84 2998.17 2998.17 0.00 0.00 0.00 0.00 Average: ens3 133.35 110.40 194.98 107.38 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-5653) 03/18/26 _x86_64_ (4 CPU) 20:53:29 LINUX RESTART (4 CPU) 21:00:18 CPU %user %nice %system %iowait %steal %idle 21:10:18 all 67.06 0.00 3.94 0.11 0.08 28.81 21:10:18 0 65.96 0.00 3.70 0.15 0.09 30.11 21:10:18 1 67.57 0.00 3.97 0.12 0.08 28.27 21:10:18 2 67.35 0.00 3.83 0.09 0.08 28.66 21:10:18 3 67.35 0.00 4.26 0.11 0.08 28.20 21:20:00 all 33.61 0.00 1.71 0.12 0.07 64.49 21:20:00 0 27.03 0.00 1.57 0.11 0.06 71.23 21:20:00 1 34.27 0.00 1.96 0.07 0.06 63.63 21:20:00 2 38.48 0.00 1.61 0.25 0.07 59.58 21:20:00 3 34.66 0.00 1.69 0.07 0.06 63.52 Average: all 50.57 0.00 2.84 0.12 0.07 46.40 Average: 0 46.77 0.00 2.65 0.13 0.07 50.38 Average: 1 51.15 0.00 2.98 0.09 0.07 45.70 Average: 2 53.11 0.00 2.74 0.17 0.08 43.91 Average: 3 51.23 0.00 2.99 0.09 0.07 45.61