---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-491150 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 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 696 9429 4 5863 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:18:82:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83209sec preferred_lft 83209sec inet6 fe80::f816:3eff:fe18:8201/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:42:f9:b5:f3:c5 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-491150) 03/16/26 _x86_64_ (4 CPU) 10:07:34 LINUX RESTART (4 CPU) 10:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:09 5.59 0.41 4.77 0.41 399.68 627.70 14252.12 10:30:01 1.50 0.01 1.50 0.00 0.04 17.94 257.83 10:40:01 47.62 4.83 41.27 1.52 278.13 6179.19 2864.85 10:50:09 34.20 0.03 30.52 3.66 1.16 3361.71 14284.29 11:00:01 35.28 0.31 18.49 16.48 12.55 5972.12 241287.38 Average: 24.88 1.12 19.37 4.39 138.94 3230.28 54085.33 10:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:09 13482292 15499984 514188 3.14 59732 2182308 1139436 6.54 318892 2308872 36 10:30:01 13483080 15501408 512852 3.13 60352 2182296 1139484 6.54 319512 2309888 240 10:40:01 9730376 13568892 2386888 14.58 156344 3776900 2979072 17.10 799516 5428200 60236 10:50:09 8683968 13200808 2750212 16.80 182804 4377584 3006440 17.26 964220 6257356 125244 11:00:01 9672036 15316332 628536 3.84 205172 5417908 1174256 6.74 1051068 5115936 13360 Average: 11010350 14617485 1358535 8.30 132881 3587399 1887738 10.84 690642 4284050 39823 10:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:09 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 10:20:09 ens3 18.04 12.18 210.78 0.84 0.00 0.00 0.00 0.00 10:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 10:30:01 ens3 0.62 0.12 0.10 0.05 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 424.17 424.17 403.67 403.67 0.00 0.00 0.00 0.00 10:40:01 ens3 128.73 95.02 1064.51 19.76 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:09 lo 1805.98 1805.98 1721.71 1721.71 0.00 0.00 0.00 0.00 10:50:09 ens3 41.13 32.22 133.76 8.54 0.00 0.00 0.00 0.00 10:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 12.17 12.17 1.88 1.88 0.00 0.00 0.00 0.00 11:00:01 ens3 85.82 80.10 124.66 233.02 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 454.20 454.20 430.90 430.90 0.00 0.00 0.00 0.00 Average: ens3 54.85 43.88 307.42 51.92 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-491150) 03/16/26 _x86_64_ (4 CPU) 10:07:34 LINUX RESTART (4 CPU) 10:10:06 CPU %user %nice %system %iowait %steal %idle 10:20:09 all 0.51 0.00 0.14 0.09 0.02 99.24 10:20:09 0 0.53 0.00 0.17 0.05 0.01 99.24 10:20:09 1 0.21 0.00 0.17 0.04 0.02 99.56 10:20:09 2 0.81 0.00 0.15 0.22 0.02 98.80 10:20:09 3 0.48 0.00 0.10 0.04 0.01 99.38 10:30:01 all 0.17 0.00 0.03 0.01 0.01 99.78 10:30:01 0 0.04 0.00 0.01 0.00 0.01 99.94 10:30:01 1 0.51 0.00 0.05 0.01 0.02 99.42 10:30:01 2 0.04 0.00 0.03 0.00 0.02 99.92 10:30:01 3 0.09 0.00 0.03 0.03 0.01 99.83 10:40:01 all 49.01 0.00 1.77 0.28 0.17 48.76 10:40:01 0 49.49 0.00 1.63 0.10 0.10 48.69 10:40:01 1 49.49 0.00 1.88 0.61 0.10 47.91 10:40:01 2 51.36 0.00 1.97 0.17 0.40 46.09 10:40:01 3 45.69 0.00 1.61 0.25 0.09 52.36 10:50:09 all 61.72 0.00 2.55 0.06 0.11 35.56 10:50:09 0 62.43 0.00 2.54 0.07 0.10 34.85 10:50:09 1 62.91 0.00 2.84 0.04 0.11 34.10 10:50:09 2 58.87 0.00 2.42 0.05 0.11 38.55 10:50:09 3 62.67 0.00 2.40 0.06 0.11 34.76 11:00:01 all 46.54 0.00 1.57 0.10 0.08 51.71 11:00:01 0 45.25 0.00 1.69 0.01 0.08 52.97 11:00:01 1 47.21 0.00 1.72 0.10 0.08 50.88 11:00:01 2 50.15 0.00 1.65 0.10 0.08 48.01 11:00:01 3 43.56 0.00 1.21 0.18 0.08 54.97 Average: all 31.64 0.00 1.22 0.11 0.08 66.95 Average: 0 31.61 0.00 1.21 0.05 0.06 67.08 Average: 1 32.13 0.00 1.34 0.16 0.07 66.31 Average: 2 32.29 0.00 1.24 0.11 0.13 66.23 Average: 3 30.55 0.00 1.07 0.11 0.06 68.20