---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26113 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 681 12722 3 2585 14965 Swap: 1023 19 1004 ---> 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:a5:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.243/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80337sec preferred_lft 80337sec inet6 fe80::f816:3eff:fe18:a55b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:f8:af:4d:59:a9 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::54f8:afff:fe4d:59a9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26113) 06/09/26 _x86_64_ (4 CPU) 07:22:53 LINUX RESTART (4 CPU) 07:30:25 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:40:08 55.29 6.44 46.40 2.46 262.09 4448.91 2312.66 07:50:01 59.84 17.73 25.34 16.77 884.81 1545.63 213286.29 08:00:25 16.27 1.56 14.04 0.68 31.87 630.65 1623.29 08:10:25 11.96 0.23 11.25 0.49 5.84 302.53 375.63 08:20:01 7.47 0.02 7.12 0.32 0.93 198.13 327.76 08:30:16 4.82 0.04 4.60 0.18 1.61 139.62 79.69 08:40:17 5.60 0.10 5.30 0.20 4.34 149.91 83.64 08:50:01 9.59 0.40 8.76 0.43 14.99 572.80 104.17 09:00:18 7.51 0.14 7.03 0.34 3.54 260.87 338.03 Average: 19.64 2.93 14.31 2.40 132.77 903.43 24035.16 07:30:25 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:40:08 5675276 6653520 9287748 56.73 257752 880080 10263200 58.91 708232 9588824 58952 07:50:01 5600760 7067544 8875952 54.21 267852 1354132 9631252 55.28 916140 9448644 636 08:00:25 12129860 13721976 2226708 13.60 272744 1469616 3028108 17.38 974732 2894620 136 08:10:25 9785908 11414660 4532748 27.68 274792 1504204 5346332 30.69 980548 5222612 312 08:20:01 9831860 11483904 4463588 27.26 275784 1526488 5342504 30.67 983164 5166488 424 08:30:16 8251728 9922876 6023588 36.79 276324 1545028 6829644 39.20 985576 6742732 176 08:40:17 8295652 9986780 5959744 36.40 276732 1564600 6799856 39.03 990112 6700168 408 08:50:01 9693976 11516768 4430536 27.06 280572 1686272 5259572 30.19 1001448 5291468 208 09:00:18 8669500 10537144 5409672 33.04 281572 1729988 6203076 35.61 1021140 6294028 64 Average: 8659391 10256130 5690032 34.75 273792 1473379 6522616 37.44 951232 6372176 6813 07:30:25 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:40:08 lo 24.56 24.56 18.51 18.51 0.00 0.00 0.00 0.00 07:40:08 ens3 2.07 1.91 0.65 0.55 0.00 0.00 0.00 0.00 07:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:01 lo 47.85 47.85 21.24 21.24 0.00 0.00 0.00 0.00 07:50:01 ens3 1.66 1.58 0.33 0.29 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:25 lo 17.25 17.25 7.54 7.54 0.00 0.00 0.00 0.00 08:00:25 ens3 1.43 1.17 0.35 1.21 0.00 0.00 0.00 0.00 08:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:25 lo 15.48 15.48 7.38 7.38 0.00 0.00 0.00 0.00 08:10:25 ens3 1.13 0.60 0.28 0.19 0.00 0.00 0.00 0.00 08:10:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 16.01 16.01 8.42 8.42 0.00 0.00 0.00 0.00 08:20:01 ens3 0.86 0.58 0.19 0.14 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:16 lo 29.10 29.10 11.48 11.48 0.00 0.00 0.00 0.00 08:30:16 ens3 0.69 0.44 0.15 0.10 0.00 0.00 0.00 0.00 08:30:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:17 lo 20.00 20.00 10.70 10.70 0.00 0.00 0.00 0.00 08:40:17 ens3 0.94 0.66 0.24 0.18 0.00 0.00 0.00 0.00 08:40:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 15.81 15.81 9.36 9.36 0.00 0.00 0.00 0.00 08:50:01 ens3 1.07 0.80 0.30 0.23 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:18 lo 23.82 23.82 10.27 10.27 0.00 0.00 0.00 0.00 09:00:18 ens3 1.14 0.81 0.33 0.25 0.00 0.00 0.00 0.00 09:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.33 23.33 11.62 11.62 0.00 0.00 0.00 0.00 Average: ens3 1.22 0.95 0.31 0.35 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-26113) 06/09/26 _x86_64_ (4 CPU) 07:22:53 LINUX RESTART (4 CPU) 07:30:25 CPU %user %nice %system %iowait %steal %idle 07:40:08 all 56.76 0.00 2.19 0.22 0.14 40.70 07:40:08 0 56.79 0.00 2.19 0.07 0.14 40.81 07:40:08 1 56.58 0.00 2.40 0.20 0.14 40.68 07:40:08 2 56.90 0.00 1.96 0.49 0.14 40.51 07:40:08 3 56.75 0.00 2.22 0.12 0.13 40.78 07:50:01 all 51.30 0.00 2.13 0.14 0.15 46.28 07:50:01 0 50.78 0.00 2.20 0.12 0.16 46.75 07:50:01 1 51.85 0.00 2.01 0.13 0.15 45.88 07:50:01 2 51.03 0.00 2.18 0.18 0.15 46.47 07:50:01 3 51.54 0.00 2.13 0.14 0.15 46.04 08:00:25 all 24.25 0.00 1.02 0.06 0.10 74.58 08:00:25 0 24.09 0.00 0.92 0.04 0.09 74.87 08:00:25 1 23.68 0.00 0.96 0.07 0.10 75.20 08:00:25 2 25.06 0.00 1.07 0.10 0.10 73.66 08:00:25 3 24.15 0.00 1.14 0.04 0.09 74.58 08:10:25 all 20.62 0.00 0.74 0.04 0.08 78.52 08:10:25 0 20.05 0.00 0.60 0.05 0.07 79.23 08:10:25 1 21.05 0.00 0.75 0.04 0.08 78.09 08:10:25 2 20.94 0.00 0.88 0.02 0.08 78.09 08:10:25 3 20.45 0.00 0.74 0.04 0.08 78.69 08:20:01 all 15.02 0.00 0.56 0.03 0.08 84.32 08:20:01 0 14.44 0.00 0.49 0.02 0.08 84.96 08:20:01 1 15.39 0.00 0.66 0.03 0.07 83.85 08:20:01 2 15.32 0.00 0.62 0.04 0.08 83.94 08:20:01 3 14.92 0.00 0.45 0.05 0.07 84.52 08:30:16 all 11.32 0.00 0.41 0.07 0.07 88.12 08:30:16 0 11.35 0.00 0.41 0.11 0.07 88.06 08:30:16 1 11.42 0.00 0.44 0.00 0.07 88.07 08:30:16 2 11.85 0.00 0.41 0.02 0.07 87.66 08:30:16 3 10.68 0.00 0.40 0.15 0.07 88.71 08:40:17 all 11.35 0.00 0.45 0.03 0.08 88.09 08:40:17 0 11.14 0.00 0.40 0.06 0.08 88.32 08:40:17 1 11.36 0.00 0.48 0.02 0.08 88.06 08:40:17 2 11.58 0.00 0.55 0.01 0.08 87.77 08:40:17 3 11.33 0.00 0.37 0.02 0.07 88.21 08:50:01 all 15.00 0.00 0.58 0.06 0.11 84.26 08:50:01 0 14.28 0.00 0.62 0.04 0.10 84.95 08:50:01 1 15.16 0.00 0.48 0.01 0.10 84.25 08:50:01 2 15.61 0.00 0.66 0.16 0.10 83.46 08:50:01 3 14.95 0.00 0.54 0.01 0.13 84.37 09:00:18 all 16.30 0.00 0.60 0.03 0.08 82.99 09:00:18 0 16.24 0.00 0.68 0.05 0.08 82.96 09:00:18 1 16.40 0.00 0.63 0.03 0.07 82.86 09:00:18 2 16.46 0.00 0.51 0.03 0.08 82.92 09:00:18 3 16.10 0.00 0.57 0.03 0.08 83.23 Average: all 24.55 0.00 0.96 0.08 0.10 74.32 Average: 0 24.25 0.00 0.94 0.06 0.10 74.65 Average: 1 24.65 0.00 0.98 0.06 0.09 74.22 Average: 2 24.86 0.00 0.98 0.11 0.10 73.95 Average: 3 24.43 0.00 0.95 0.07 0.10 74.46