---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34538 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 18G 60G 23% / 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 698 11150 4 4140 14948 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:93:ad:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80384sec preferred_lft 80384sec inet6 fe80::f816:3eff:fe93:ad10/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:88:0e:f3:a2:fb 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 inet6 fe80::4888:eff:fef3:a2fb/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-34538) 03/25/26 _x86_64_ (4 CPU) 07:44:20 LINUX RESTART (4 CPU) 07:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:08 94.08 22.87 67.80 3.41 359.78 12791.50 4358.58 08:10:07 23.25 3.50 18.69 1.07 70.46 537.17 904.38 08:20:07 14.80 0.24 13.87 0.69 13.32 650.70 565.15 08:30:08 14.59 0.07 13.85 0.67 4.50 380.52 457.08 08:40:08 5.35 0.01 5.19 0.15 1.00 129.16 51.51 08:50:08 4.66 0.01 4.49 0.17 1.07 132.00 80.95 09:00:08 20.14 0.10 4.64 15.40 4.21 136.33 210678.21 09:10:08 11.75 0.03 11.22 0.49 3.99 641.32 1369.86 09:20:28 4.53 0.02 4.35 0.16 0.68 142.66 255.10 Average: 21.41 2.97 15.97 2.46 50.84 1721.98 24218.04 07:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:08 160076 3553764 12375708 75.59 270736 3103760 13427936 77.08 2243916 13376840 428 08:10:07 3395320 6496772 9436712 57.64 272180 2834896 11065508 63.52 2252524 10151064 624 08:20:07 11190200 14410108 1529432 9.34 276712 2948748 2329536 13.37 2294816 2363356 388 08:30:08 8273116 11538552 4399072 26.87 279472 2991512 5146476 29.54 2301292 5257512 52 08:40:08 8186336 11465648 4471768 27.31 280196 3004664 5282812 30.32 2302900 5347612 420 08:50:08 6728492 10024756 5911904 36.11 280704 3021112 6711420 38.52 2304900 6797324 412 09:00:08 6645564 9964752 5971784 36.47 281396 3043340 6730712 38.63 2313580 6868064 148 09:10:08 8018432 11474688 4462772 27.26 285612 3174128 5186932 29.77 2329736 5482440 640 09:20:28 7284840 10763088 5174004 31.60 286168 3195480 5890060 33.81 2341104 6206100 140 Average: 6653597 9965792 5970351 36.46 279242 3035293 6863488 39.40 2298308 6872257 361 07:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:08 lo 19.22 19.22 16.55 16.55 0.00 0.00 0.00 0.00 08:00:08 ens3 29.99 21.43 415.25 2.41 0.00 0.00 0.00 0.00 08:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:07 lo 42.78 42.78 17.90 17.90 0.00 0.00 0.00 0.00 08:10:07 ens3 1.86 1.42 0.39 0.31 0.00 0.00 0.00 0.00 08:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:07 lo 21.32 21.32 9.29 9.29 0.00 0.00 0.00 0.00 08:20:07 ens3 1.65 1.40 0.34 1.34 0.00 0.00 0.00 0.00 08:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:08 lo 19.20 19.20 9.86 9.86 0.00 0.00 0.00 0.00 08:30:08 ens3 1.01 0.70 0.22 0.17 0.00 0.00 0.00 0.00 08:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:08 lo 20.50 20.50 8.66 8.66 0.00 0.00 0.00 0.00 08:40:08 ens3 0.81 0.68 0.18 0.15 0.00 0.00 0.00 0.00 08:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:08 lo 25.74 25.74 10.96 10.96 0.00 0.00 0.00 0.00 08:50:08 ens3 1.01 0.51 0.23 0.15 0.00 0.00 0.00 0.00 08:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:08 lo 17.29 17.29 9.83 9.83 0.00 0.00 0.00 0.00 09:00:08 ens3 1.12 0.66 0.31 0.22 0.00 0.00 0.00 0.00 09:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:08 lo 19.67 19.67 11.16 11.16 0.00 0.00 0.00 0.00 09:10:08 ens3 1.17 0.90 0.31 0.25 0.00 0.00 0.00 0.00 09:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:28 lo 17.02 17.02 7.00 7.00 0.00 0.00 0.00 0.00 09:20:28 ens3 1.68 0.68 0.45 0.28 0.00 0.00 0.00 0.00 09:20:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.50 22.50 11.23 11.23 0.00 0.00 0.00 0.00 Average: ens3 4.47 3.15 46.27 0.58 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-16g-34538) 03/25/26 _x86_64_ (4 CPU) 07:44:20 LINUX RESTART (4 CPU) 07:50:07 CPU %user %nice %system %iowait %steal %idle 08:00:08 all 55.82 0.00 2.35 0.16 0.12 41.54 08:00:08 0 55.95 0.00 2.34 0.17 0.12 41.42 08:00:08 1 57.46 0.00 2.29 0.10 0.12 40.02 08:00:08 2 55.78 0.00 2.31 0.12 0.12 41.68 08:00:08 3 54.09 0.00 2.46 0.27 0.13 43.05 08:10:07 all 44.14 0.00 1.84 0.06 0.13 53.84 08:10:07 0 43.81 0.00 1.84 0.05 0.13 54.17 08:10:07 1 44.16 0.00 1.91 0.06 0.13 53.73 08:10:07 2 43.80 0.00 1.83 0.04 0.13 54.20 08:10:07 3 44.78 0.00 1.76 0.08 0.13 53.25 08:20:07 all 22.63 0.00 1.00 0.04 0.09 76.24 08:20:07 0 22.54 0.00 1.12 0.06 0.10 76.18 08:20:07 1 22.39 0.00 0.91 0.03 0.09 76.58 08:20:07 2 23.08 0.00 1.04 0.02 0.10 75.77 08:20:07 3 22.49 0.00 0.95 0.06 0.09 76.41 08:30:08 all 27.05 0.00 0.96 0.04 0.09 71.86 08:30:08 0 26.58 0.00 0.96 0.03 0.09 72.34 08:30:08 1 27.10 0.00 0.84 0.02 0.09 71.96 08:30:08 2 27.38 0.00 1.23 0.06 0.09 71.23 08:30:08 3 27.15 0.00 0.81 0.04 0.08 71.91 08:40:08 all 8.82 0.00 0.41 0.02 0.07 90.68 08:40:08 0 8.69 0.00 0.33 0.02 0.07 90.90 08:40:08 1 8.75 0.00 0.49 0.01 0.07 90.68 08:40:08 2 8.53 0.00 0.47 0.02 0.07 90.91 08:40:08 3 9.31 0.00 0.37 0.02 0.06 90.24 08:50:08 all 10.76 0.00 0.50 0.01 0.07 88.65 08:50:08 0 10.17 0.00 0.47 0.02 0.07 89.27 08:50:08 1 10.95 0.00 0.57 0.03 0.07 88.39 08:50:08 2 10.69 0.00 0.44 0.01 0.07 88.79 08:50:08 3 11.25 0.00 0.52 0.00 0.07 88.15 09:00:08 all 10.18 0.00 0.56 0.02 0.07 89.16 09:00:08 0 9.96 0.00 0.49 0.02 0.07 89.45 09:00:08 1 10.25 0.00 0.50 0.00 0.07 89.18 09:00:08 2 10.40 0.00 0.71 0.07 0.08 88.75 09:00:08 3 10.14 0.00 0.53 0.01 0.07 89.26 09:10:08 all 20.60 0.00 0.88 0.05 0.08 78.40 09:10:08 0 20.29 0.00 0.77 0.02 0.08 78.84 09:10:08 1 20.80 0.00 0.88 0.05 0.08 78.19 09:10:08 2 19.91 0.00 0.95 0.08 0.08 78.99 09:10:08 3 21.39 0.00 0.93 0.03 0.07 77.58 09:20:28 all 8.87 0.00 0.36 0.02 0.07 90.68 09:20:28 0 8.26 0.00 0.32 0.03 0.06 91.33 09:20:28 1 9.00 0.00 0.46 0.01 0.07 90.46 09:20:28 2 8.99 0.00 0.33 0.03 0.07 90.58 09:20:28 3 9.22 0.00 0.35 0.01 0.07 90.35 Average: all 23.15 0.00 0.98 0.05 0.09 75.73 Average: 0 22.85 0.00 0.96 0.05 0.09 76.05 Average: 1 23.37 0.00 0.98 0.03 0.09 75.52 Average: 2 23.12 0.00 1.03 0.05 0.09 75.71 Average: 3 23.25 0.00 0.96 0.06 0.09 75.65