---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6423 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 13G 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 696 8684 4 6608 14950 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:b6:38:12 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.235/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83031sec preferred_lft 83031sec inet6 fe80::f816:3eff:feb6:3812/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:a9:a4:e3:7f:bd 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-6423) 03/20/26 _x86_64_ (4 CPU) 13:49:18 LINUX RESTART (4 CPU) 13:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:17 4.11 0.09 3.77 0.26 3.30 289.93 461.60 14:10:04 29.03 1.41 27.09 0.53 105.34 1289.40 829.96 14:20:23 32.79 3.67 26.85 2.27 184.77 4575.17 4666.48 14:30:26 26.12 0.01 23.28 2.83 0.17 2342.64 11481.62 14:40:36 22.81 0.04 20.39 2.38 0.85 8373.12 7697.39 Average: 22.94 1.05 20.23 1.66 59.04 3394.95 5043.00 13:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:17 13671600 15509272 507044 3.10 57020 2006580 1128296 6.48 224916 2210508 44 14:10:04 12997380 15411564 570076 3.48 92596 2517852 1148328 6.59 333732 2734584 268636 14:20:23 10101504 13583496 2374760 14.50 140884 3471760 2397444 13.76 670556 5228256 21872 14:30:26 8781708 12695412 3258964 19.90 164220 3843812 3220440 18.49 800268 6359404 14848 14:40:36 9004680 15403988 542924 3.32 185408 6223456 1022876 5.87 1656268 5188616 159652 Average: 10911374 14520746 1450754 8.86 128026 3612692 1783477 10.24 737148 4344274 93010 13:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:17 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 14:00:17 ens3 4.15 1.92 81.84 0.21 0.00 0.00 0.00 0.00 14:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:04 lo 0.21 0.21 0.02 0.02 0.00 0.00 0.00 0.00 14:10:04 ens3 40.41 30.35 276.32 5.88 0.00 0.00 0.00 0.00 14:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:23 lo 1177.77 1177.77 1115.84 1115.84 0.00 0.00 0.00 0.00 14:20:23 ens3 124.66 100.08 986.50 26.95 0.00 0.00 0.00 0.00 14:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:26 lo 1142.76 1142.76 1088.46 1088.46 0.00 0.00 0.00 0.00 14:30:26 ens3 44.06 33.93 44.24 11.51 0.00 0.00 0.00 0.00 14:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:36 lo 804.52 804.52 7275.09 7275.09 0.00 0.00 0.00 0.00 14:40:36 ens3 43.79 36.47 106.92 10.88 0.00 0.00 0.00 0.00 14:40:36 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 630.23 630.23 1909.03 1909.03 0.00 0.00 0.00 0.00 Average: ens3 51.73 40.81 301.96 11.17 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-6423) 03/20/26 _x86_64_ (4 CPU) 13:49:18 LINUX RESTART (4 CPU) 13:50:07 CPU %user %nice %system %iowait %steal %idle 14:00:17 all 0.19 0.00 0.13 0.11 0.02 99.55 14:00:17 0 0.18 0.00 0.08 0.05 0.01 99.68 14:00:17 1 0.16 0.00 0.27 0.30 0.02 99.26 14:00:17 2 0.23 0.00 0.08 0.03 0.01 99.66 14:00:17 3 0.20 0.00 0.09 0.07 0.03 99.61 14:10:04 all 2.50 0.00 0.28 0.66 0.02 96.54 14:10:04 0 1.61 0.00 0.17 0.33 0.01 97.88 14:10:04 1 0.59 0.00 0.16 0.73 0.02 98.49 14:10:04 2 3.28 0.00 0.30 0.87 0.03 95.52 14:10:04 3 4.49 0.00 0.50 0.72 0.02 94.26 14:20:23 all 47.55 0.00 2.00 0.28 0.08 50.09 14:20:23 0 49.29 0.00 2.01 0.27 0.07 48.35 14:20:23 1 46.65 0.00 1.94 0.26 0.08 51.07 14:20:23 2 46.61 0.00 2.07 0.24 0.08 51.00 14:20:23 3 47.66 0.00 1.97 0.33 0.08 49.96 14:30:26 all 65.46 0.00 2.40 0.27 0.10 31.76 14:30:26 0 64.50 0.00 2.45 0.34 0.10 32.60 14:30:26 1 65.68 0.00 2.39 0.25 0.10 31.57 14:30:26 2 64.85 0.00 2.31 0.19 0.10 32.55 14:30:26 3 66.82 0.00 2.46 0.30 0.10 30.32 14:40:36 all 45.90 0.00 1.80 0.64 0.09 51.56 14:40:36 0 43.29 0.00 1.66 0.16 0.09 54.80 14:40:36 1 55.84 0.00 1.95 0.55 0.09 41.57 14:40:36 2 40.42 0.00 1.67 1.36 0.09 56.47 14:40:36 3 44.08 0.00 1.94 0.51 0.09 53.39 Average: all 32.48 0.00 1.33 0.39 0.06 65.74 Average: 0 31.95 0.00 1.28 0.23 0.06 66.48 Average: 1 33.94 0.00 1.35 0.41 0.06 64.23 Average: 2 31.20 0.00 1.29 0.54 0.06 66.91 Average: 3 32.82 0.00 1.40 0.38 0.06 65.33