---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9563 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 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 772 9347 4 5869 14874 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:99:c4:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84009sec preferred_lft 84009sec inet6 fe80::f816:3eff:fe99:c440/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:5f:de:d0:f3:dc 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-9563) 02/11/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 17.94 2.68 13.79 1.47 537.05 3898.29 12482.04 20:50:03 57.72 0.33 47.19 10.20 10.88 4383.00 22942.39 21:00:03 34.62 0.14 28.70 5.78 6.45 5221.71 8233.64 Average: 36.73 1.05 29.87 5.81 185.31 4500.11 14549.65 20:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 9890548 13500300 2456540 15.00 157944 3560688 2808048 16.12 735140 5349972 101076 20:50:03 8569668 13066840 2882280 17.60 203344 4331060 3143112 18.04 941296 6380172 95484 21:00:03 9715164 15358728 585516 3.58 244248 5371592 1108960 6.37 1336172 4759300 232 Average: 9391793 13975289 1974779 12.06 201845 4421113 2353373 13.51 1004203 5496481 65597 20:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 1.33 1.33 0.14 0.14 0.00 0.00 0.00 0.00 20:40:03 ens3 96.72 76.80 600.99 20.20 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5152.66 5152.66 4910.89 4910.89 0.00 0.00 0.00 0.00 20:50:03 ens3 102.30 71.89 304.22 21.86 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 2711.63 2711.63 2576.51 2576.51 0.00 0.00 0.00 0.00 21:00:03 ens3 97.26 83.25 134.03 110.73 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2618.02 2618.02 2492.17 2492.17 0.00 0.00 0.00 0.00 Average: ens3 98.76 77.31 346.79 50.88 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-9563) 02/11/26 _x86_64_ (4 CPU) 20:24:59 LINUX RESTART (4 CPU) 20:30:00 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 66.43 0.00 2.37 0.12 0.09 30.99 20:40:03 0 66.69 0.00 2.08 0.15 0.09 30.99 20:40:03 1 67.76 0.00 2.51 0.12 0.09 29.51 20:40:03 2 65.97 0.00 2.28 0.09 0.09 31.56 20:40:03 3 65.29 0.00 2.61 0.11 0.09 31.89 20:50:03 all 61.37 0.00 4.11 0.11 0.09 34.32 20:50:03 0 60.96 0.00 3.54 0.12 0.09 35.30 20:50:03 1 61.42 0.00 4.33 0.11 0.08 34.05 20:50:03 2 61.81 0.00 4.40 0.12 0.09 33.59 20:50:03 3 61.31 0.00 4.17 0.10 0.09 34.34 21:00:03 all 51.05 0.00 2.89 0.12 0.08 45.85 21:00:03 0 46.45 0.00 2.40 0.17 0.08 50.91 21:00:03 1 54.56 0.00 3.08 0.07 0.08 42.21 21:00:03 2 51.32 0.00 3.14 0.19 0.08 45.27 21:00:03 3 51.88 0.00 2.96 0.07 0.08 45.01 Average: all 59.63 0.00 3.12 0.12 0.09 37.05 Average: 0 58.04 0.00 2.67 0.14 0.09 39.06 Average: 1 61.26 0.00 3.31 0.10 0.09 35.25 Average: 2 59.71 0.00 3.27 0.13 0.09 36.80 Average: 3 59.50 0.00 3.24 0.09 0.09 37.07