---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-25856 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 651 12718 4 2619 14995 Swap: 1023 65 958 ---> 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:2e:3a:6e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80186sec preferred_lft 80186sec inet6 fe80::f816:3eff:fe2e:3a6e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:9e:0b:cc:68:e1 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::609e:bff:fecc:68e1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-25856) 06/08/26 _x86_64_ (4 CPU) 11:15:53 LINUX RESTART (4 CPU) 11:20:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:30:01 88.61 4.08 80.35 4.18 368.39 27079.90 12596.94 11:40:10 49.19 23.14 24.62 1.42 1070.39 1989.61 1206.15 11:50:03 17.58 0.28 16.50 0.80 13.03 730.40 415.95 12:00:26 18.72 5.19 12.95 0.58 68.92 367.32 245.24 12:10:26 5.89 0.59 5.10 0.20 12.85 133.87 54.97 12:20:09 5.65 0.23 5.23 0.19 8.02 143.31 63.27 12:30:26 5.07 0.31 4.56 0.19 7.16 134.83 306.85 12:40:05 2.33 0.16 2.17 0.00 5.74 38.00 0.00 12:50:00 13.93 0.80 12.61 0.52 26.40 673.30 603.98 Average: 22.81 3.93 18.00 0.89 176.90 3370.07 1673.67 11:20:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:30:01 168284 3495144 12430848 75.92 262268 3042908 13957744 80.12 2035436 13566384 1164 11:40:10 2026924 3487068 12458804 76.09 190948 1448052 14278984 81.96 987228 12982084 972 11:50:03 12070564 13663824 2288668 13.98 196488 1571012 3172300 18.21 1047492 2897176 144 12:00:26 10019524 11660928 4290288 26.20 199060 1616584 5195164 29.82 1062088 4933696 64 12:10:26 9815896 11472676 4478572 27.35 200224 1630812 5302536 30.44 1067384 5120372 240 12:20:09 8287372 9961288 5989144 36.58 201088 1647064 6875308 39.46 1071800 6650428 300 12:30:26 8424836 10116820 5833644 35.63 201648 1664560 6748884 38.74 1077388 6514396 92 12:40:05 8197560 9891084 6059320 37.01 201884 1665884 6921300 39.73 1079296 6730528 376 12:50:00 9458128 11303728 4647712 28.39 206868 1806736 5404124 31.02 1101064 5451604 88 Average: 7607676 9450284 6497444 39.68 206720 1788179 7539594 43.28 1169908 7205185 382 11:20:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:30:01 lo 15.83 15.83 13.58 13.58 0.00 0.00 0.00 0.00 11:30:01 ens3 51.53 36.80 741.12 3.77 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:10 lo 43.52 43.52 22.82 22.82 0.00 0.00 0.00 0.00 11:40:10 ens3 1.88 1.66 0.46 0.39 0.00 0.00 0.00 0.00 11:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:03 lo 30.20 30.20 12.14 12.14 0.00 0.00 0.00 0.00 11:50:03 ens3 1.32 1.20 0.33 0.28 0.00 0.00 0.00 0.00 11:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:26 lo 19.24 19.24 10.08 10.08 0.00 0.00 0.00 0.00 12:00:26 ens3 1.21 1.16 0.21 0.84 0.00 0.00 0.00 0.00 12:00:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:26 lo 23.02 23.02 9.09 9.09 0.00 0.00 0.00 0.00 12:10:26 ens3 0.77 0.83 0.14 0.35 0.00 0.00 0.00 0.00 12:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:09 lo 18.64 18.64 8.33 8.33 0.00 0.00 0.00 0.00 12:20:09 ens3 0.45 0.31 0.09 0.06 0.00 0.00 0.00 0.00 12:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:26 lo 15.31 15.31 7.86 7.86 0.00 0.00 0.00 0.00 12:30:26 ens3 0.69 0.46 0.17 0.13 0.00 0.00 0.00 0.00 12:30:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:05 lo 11.85 11.85 6.55 6.55 0.00 0.00 0.00 0.00 12:40:05 ens3 0.70 0.41 0.18 0.12 0.00 0.00 0.00 0.00 12:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:00 lo 16.95 16.95 9.50 9.50 0.00 0.00 0.00 0.00 12:50:00 ens3 1.04 0.87 0.28 0.23 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.69 21.69 11.13 11.13 0.00 0.00 0.00 0.00 Average: ens3 6.41 4.71 79.48 0.67 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-25856) 06/08/26 _x86_64_ (4 CPU) 11:15:53 LINUX RESTART (4 CPU) 11:20:26 CPU %user %nice %system %iowait %steal %idle 11:30:01 all 56.32 0.00 2.26 1.23 0.10 40.09 11:30:01 0 56.59 0.00 2.15 1.26 0.10 39.90 11:30:01 1 55.74 0.00 2.51 1.51 0.10 40.15 11:30:01 2 58.40 0.00 2.18 1.18 0.10 38.14 11:30:01 3 54.56 0.00 2.22 0.96 0.10 42.17 11:40:10 all 49.61 0.00 1.90 0.40 0.12 47.97 11:40:10 0 49.83 0.00 1.80 0.26 0.12 48.01 11:40:10 1 49.10 0.00 1.94 0.56 0.12 48.27 11:40:10 2 49.64 0.00 1.94 0.33 0.12 47.95 11:40:10 3 49.85 0.00 1.93 0.45 0.12 47.64 11:50:03 all 28.37 0.00 1.14 0.50 0.09 69.91 11:50:03 0 28.69 0.00 1.17 0.19 0.09 69.85 11:50:03 1 28.71 0.00 1.19 1.41 0.09 68.61 11:50:03 2 28.09 0.00 1.15 0.26 0.09 70.42 11:50:03 3 27.97 0.00 1.04 0.13 0.09 70.77 12:00:26 all 24.29 0.00 0.79 0.52 0.08 74.32 12:00:26 0 24.40 0.00 0.77 0.08 0.08 74.67 12:00:26 1 23.71 0.00 0.71 1.17 0.08 74.33 12:00:26 2 24.43 0.00 0.86 0.67 0.08 73.95 12:00:26 3 24.61 0.00 0.81 0.17 0.08 74.34 12:10:26 all 8.77 0.00 0.44 0.15 0.07 90.58 12:10:26 0 8.62 0.00 0.41 0.09 0.07 90.81 12:10:26 1 9.13 0.00 0.51 0.06 0.07 90.23 12:10:26 2 8.86 0.00 0.45 0.31 0.07 90.31 12:10:26 3 8.45 0.00 0.39 0.13 0.07 90.97 12:20:09 all 9.77 0.00 0.49 0.05 0.08 89.62 12:20:09 0 10.03 0.00 0.45 0.05 0.07 89.39 12:20:09 1 9.44 0.00 0.51 0.04 0.07 89.93 12:20:09 2 9.77 0.00 0.53 0.04 0.08 89.57 12:20:09 3 9.83 0.00 0.45 0.05 0.08 89.59 12:30:26 all 9.61 0.00 0.50 0.07 0.07 89.76 12:30:26 0 9.53 0.00 0.45 0.03 0.06 89.93 12:30:26 1 9.34 0.00 0.52 0.03 0.07 90.05 12:30:26 2 9.91 0.00 0.54 0.12 0.07 89.36 12:30:26 3 9.65 0.00 0.48 0.10 0.06 89.71 12:40:05 all 2.57 0.00 0.41 0.13 0.07 96.82 12:40:05 0 2.40 0.00 0.34 0.02 0.06 97.19 12:40:05 1 2.75 0.00 0.51 0.17 0.07 96.50 12:40:05 2 2.48 0.00 0.39 0.27 0.07 96.79 12:40:05 3 2.67 0.00 0.41 0.06 0.07 96.79 12:50:00 all 20.84 0.00 0.74 1.60 0.08 76.74 12:50:00 0 21.49 0.00 0.63 0.69 0.08 77.10 12:50:00 1 21.17 0.00 0.83 3.75 0.09 74.17 12:50:00 2 19.81 0.00 0.74 1.30 0.08 78.07 12:50:00 3 20.90 0.00 0.75 0.65 0.08 77.62 Average: all 23.29 0.00 0.96 0.51 0.08 75.15 Average: 0 23.45 0.00 0.90 0.29 0.08 75.27 Average: 1 23.18 0.00 1.02 0.96 0.08 74.76 Average: 2 23.43 0.00 0.97 0.50 0.08 75.02 Average: 3 23.12 0.00 0.94 0.30 0.08 75.56