---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54412 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: 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 664 9469 4 5855 14981 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:47:36:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84212sec preferred_lft 84212sec inet6 fe80::f816:3eff:fe47:36c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:0b:b0:dc:e0:ec 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-54412) 03/31/26 _x86_64_ (4 CPU) 05:12:29 LINUX RESTART (4 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 15.88 0.03 12.81 3.04 0.67 954.19 35044.25 05:40:01 26.85 0.16 22.78 3.92 4.87 2132.32 29814.73 Average: 21.37 0.09 17.80 3.48 2.77 1543.21 32429.69 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 9660668 13085896 2872828 17.55 131652 3414680 3141792 18.03 675232 5650944 808 05:40:01 9191712 13078356 2876656 17.57 154360 3819896 2906832 16.69 825692 5923916 21280 Average: 9426190 13082126 2874742 17.56 143006 3617288 3024312 17.36 750462 5787430 11044 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 37.15 37.15 8.76 8.76 0.00 0.00 0.00 0.00 05:30:01 ens3 10.23 9.55 13.10 3.29 0.00 0.00 0.00 0.00 05:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 1542.22 1542.22 1451.11 1451.11 0.00 0.00 0.00 0.00 05:40:01 ens3 45.64 36.48 269.21 10.86 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 789.63 789.63 729.88 729.88 0.00 0.00 0.00 0.00 Average: ens3 27.93 23.01 141.15 7.07 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-54412) 03/31/26 _x86_64_ (4 CPU) 05:12:29 LINUX RESTART (4 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 25.81 0.00 1.03 1.04 0.09 72.04 05:30:01 0 23.95 0.00 0.92 1.93 0.08 73.11 05:30:01 1 26.54 0.00 1.00 0.35 0.09 72.02 05:30:01 2 25.93 0.00 0.96 0.45 0.08 72.56 05:30:01 3 26.82 0.00 1.23 1.41 0.09 70.45 05:40:01 all 42.00 0.00 2.09 0.29 0.10 55.51 05:40:01 0 41.75 0.00 2.26 0.17 0.10 55.71 05:40:01 1 41.98 0.00 1.95 0.20 0.10 55.77 05:40:01 2 41.73 0.00 2.21 0.24 0.11 55.70 05:40:01 3 42.55 0.00 1.95 0.55 0.11 54.84 Average: all 33.90 0.00 1.56 0.66 0.10 63.78 Average: 0 32.84 0.00 1.59 1.05 0.09 64.42 Average: 1 34.25 0.00 1.48 0.28 0.09 63.90 Average: 2 33.83 0.00 1.59 0.35 0.10 64.14 Average: 3 34.68 0.00 1.59 0.98 0.10 62.65