---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-216735 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 11G 68G 14% / 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 686 10577 4 4725 14960 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:cb:4a:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84526sec preferred_lft 84526sec inet6 fe80::f816:3eff:fecb:4a43/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:00:e9:c1:91:7c 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-216735) 03/07/26 _x86_64_ (4 CPU) 21:06:51 LINUX RESTART (4 CPU) 21:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:20:08 12.26 1.94 9.61 0.71 124.76 2502.07 1713.71 21:30:32 26.25 0.78 22.03 3.45 27.28 3482.05 4815.78 Average: 19.35 1.35 15.91 2.10 75.35 2998.84 3286.21 21:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:20:08 10989104 14087480 1873944 11.45 125540 3111780 2501812 14.36 535048 4476268 27992 21:30:32 8885608 13229848 2722180 16.63 166676 4225544 2797692 16.06 861892 6144996 301256 Average: 9937356 13658664 2298062 14.04 146108 3668662 2649752 15.21 698470 5310632 164624 21:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:20:08 lo 0.91 0.91 0.09 0.09 0.00 0.00 0.00 0.00 21:20:08 ens3 89.53 71.29 660.69 15.64 0.00 0.00 0.00 0.00 21:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:32 lo 1609.22 1609.22 1534.30 1534.30 0.00 0.00 0.00 0.00 21:30:32 ens3 92.04 67.51 431.67 17.52 0.00 0.00 0.00 0.00 21:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 816.20 816.20 777.81 777.81 0.00 0.00 0.00 0.00 Average: ens3 90.80 69.37 544.60 16.59 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-216735) 03/07/26 _x86_64_ (4 CPU) 21:06:51 LINUX RESTART (4 CPU) 21:10:01 CPU %user %nice %system %iowait %steal %idle 21:20:08 all 47.34 0.00 1.60 0.04 0.06 50.97 21:20:08 0 47.71 0.00 1.57 0.03 0.05 50.64 21:20:08 1 47.69 0.00 1.60 0.03 0.06 50.63 21:20:08 2 45.41 0.00 1.59 0.05 0.06 52.89 21:20:08 3 48.56 0.00 1.63 0.04 0.06 49.71 21:30:32 all 69.34 0.00 2.92 0.06 0.08 27.60 21:30:32 0 70.52 0.00 2.98 0.04 0.08 26.38 21:30:32 1 68.20 0.00 3.18 0.04 0.08 28.50 21:30:32 2 67.78 0.00 2.80 0.07 0.08 29.27 21:30:32 3 70.87 0.00 2.72 0.07 0.08 26.25 Average: all 58.48 0.00 2.27 0.05 0.07 39.14 Average: 0 59.27 0.00 2.28 0.04 0.07 38.35 Average: 1 58.06 0.00 2.40 0.03 0.07 39.44 Average: 2 56.73 0.00 2.20 0.06 0.07 40.93 Average: 3 59.86 0.00 2.18 0.06 0.07 37.83