---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20645 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: 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 66G 16% / 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 636 8929 4 6423 15010 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:42:dd:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84848sec preferred_lft 84848sec inet6 fe80::f816:3eff:fe42:ddd3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:25:fa:ee:61:c3 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-20645) 02/25/26 _x86_64_ (4 CPU) 13:18:59 LINUX RESTART (4 CPU) 13:20:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:28 64.49 4.00 44.20 16.29 394.19 5768.19 266289.89 13:40:01 31.94 0.02 28.66 3.26 0.27 2982.33 63537.68 Average: 48.58 2.05 36.61 9.92 201.68 4406.75 167205.75 13:20:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:28 9701852 13221960 2736748 16.71 134516 3514684 3027940 17.38 736160 5563088 26616 13:40:01 8301908 12404612 3550352 21.68 154944 4039680 3616312 20.76 877732 6758412 231292 Average: 9001880 12813286 3143550 19.20 144730 3777182 3322126 19.07 806946 6160750 128954 13:20:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:28 lo 1516.34 1516.34 1438.34 1438.34 0.00 0.00 0.00 0.00 13:30:28 ens3 112.48 85.19 1011.76 15.87 0.00 0.00 0.00 0.00 13:30:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 1352.84 1352.84 1288.45 1288.45 0.00 0.00 0.00 0.00 13:40:01 ens3 24.40 20.45 49.44 6.15 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1436.43 1436.43 1365.09 1365.09 0.00 0.00 0.00 0.00 Average: ens3 69.44 53.55 541.48 11.12 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-20645) 02/25/26 _x86_64_ (4 CPU) 13:18:59 LINUX RESTART (4 CPU) 13:20:28 CPU %user %nice %system %iowait %steal %idle 13:30:28 all 66.47 0.00 2.61 0.22 0.12 30.58 13:30:28 0 65.10 0.00 2.61 0.24 0.12 31.93 13:30:28 1 68.44 0.00 2.63 0.23 0.13 28.57 13:30:28 2 66.82 0.00 2.53 0.18 0.12 30.35 13:30:28 3 65.50 0.00 2.66 0.25 0.12 31.47 13:40:01 all 59.05 0.00 2.44 3.14 0.13 35.25 13:40:01 0 59.81 0.00 2.26 3.19 0.13 34.61 13:40:01 1 58.78 0.00 2.34 5.31 0.13 33.44 13:40:01 2 59.09 0.00 2.46 2.48 0.13 35.83 13:40:01 3 58.52 0.00 2.68 1.57 0.12 37.10 Average: all 62.84 0.00 2.52 1.65 0.13 32.86 Average: 0 62.52 0.00 2.44 1.68 0.12 33.24 Average: 1 63.72 0.00 2.49 2.71 0.13 30.95 Average: 2 63.04 0.00 2.50 1.30 0.13 33.03 Average: 3 62.09 0.00 2.67 0.89 0.12 34.22