---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-20364 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 703 12274 3 3011 14939 Swap: 1023 37 986 ---> 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:03:72:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.94/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79772sec preferred_lft 79772sec inet6 fe80::f816:3eff:fe03:72a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:46:a5:d9:c0:a1 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::5846:a5ff:fed9:c0a1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-20364) 05/26/26 _x86_64_ (4 CPU) 12:06:12 LINUX RESTART (4 CPU) 12:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:01 117.90 3.99 95.10 18.81 529.37 30986.81 246836.60 12:30:17 50.95 24.14 25.35 1.46 990.50 1821.31 1533.99 12:40:08 11.02 1.85 8.59 0.57 49.47 319.63 1231.05 12:50:01 10.92 0.19 10.30 0.43 5.46 556.19 758.39 13:00:19 15.33 0.33 14.32 0.68 9.17 455.21 279.52 13:10:19 8.60 0.41 7.86 0.33 13.19 222.45 195.69 13:20:01 4.47 0.17 4.21 0.09 6.36 75.50 140.60 13:30:05 6.65 0.50 5.85 0.30 12.11 222.55 131.37 13:40:06 5.76 0.44 5.13 0.18 16.93 157.40 108.26 13:50:01 9.24 0.32 8.54 0.38 12.40 564.23 156.07 Average: 24.23 3.30 18.60 2.33 167.14 3545.22 25159.10 12:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:01 163720 3709708 12218284 74.62 256872 3240964 13778504 79.09 2095548 13492788 1084 12:30:17 10265760 12022900 3915176 23.91 263968 1613312 5595824 32.12 1125868 4563780 6252 12:40:08 6892784 8683448 7253652 44.30 265288 1645388 8465556 48.59 1146428 7893644 388 12:50:01 9647092 11549396 4390008 26.81 269796 1750280 5180540 29.74 1196256 5098120 252 13:00:19 9481460 11453412 4486092 27.40 271760 1817868 5295208 30.39 1204592 5254904 344 13:10:19 9590740 11592732 4346728 26.55 272636 1847012 5191012 29.80 1210532 5132120 336 13:20:01 11670292 13693668 2246964 13.72 272968 1868040 3613400 20.74 1213904 3075824 17880 13:30:05 8114912 10160048 5778656 35.29 273692 1889084 6627376 38.04 1221224 6612372 376 13:40:06 9506932 11575816 4363576 26.65 274300 1912220 5199600 29.85 1228724 5216968 364 13:50:01 9300700 11499732 4439440 27.11 278288 2033072 5063496 29.06 1247784 5376148 376 Average: 8463439 10594086 5343858 32.64 269957 1961724 6401052 36.74 1289086 6171667 2765 12:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:01 lo 15.15 15.15 12.92 12.92 0.00 0.00 0.00 0.00 12:20:01 ens3 47.33 31.65 863.53 3.59 0.00 0.00 0.00 0.00 12:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:17 lo 39.18 39.18 20.62 20.62 0.00 0.00 0.00 0.00 12:30:17 ens3 2.05 1.97 0.43 1.12 0.00 0.00 0.00 0.00 12:30:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:08 lo 32.10 32.10 14.21 14.21 0.00 0.00 0.00 0.00 12:40:08 ens3 1.08 0.80 0.27 0.20 0.00 0.00 0.00 0.00 12:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:01 lo 13.23 13.23 6.11 6.11 0.00 0.00 0.00 0.00 12:50:01 ens3 0.88 0.70 0.25 0.20 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:19 lo 15.80 15.80 7.93 7.93 0.00 0.00 0.00 0.00 13:00:19 ens3 0.84 0.74 0.18 0.15 0.00 0.00 0.00 0.00 13:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:19 lo 17.75 17.75 8.90 8.90 0.00 0.00 0.00 0.00 13:10:19 ens3 0.82 0.80 0.21 0.17 0.00 0.00 0.00 0.00 13:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 22.26 22.26 7.20 7.20 0.00 0.00 0.00 0.00 13:20:01 ens3 0.38 0.27 0.08 0.05 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:05 lo 20.42 20.42 11.29 11.29 0.00 0.00 0.00 0.00 13:30:05 ens3 0.87 0.64 0.24 0.18 0.00 0.00 0.00 0.00 13:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:06 lo 16.60 16.60 9.52 9.52 0.00 0.00 0.00 0.00 13:40:06 ens3 0.97 0.59 0.29 0.21 0.00 0.00 0.00 0.00 13:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 lo 21.60 21.60 10.37 10.37 0.00 0.00 0.00 0.00 13:50:01 ens3 1.00 0.87 0.26 0.21 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.43 21.43 10.94 10.94 0.00 0.00 0.00 0.00 Average: ens3 5.63 3.91 86.64 0.61 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-20364) 05/26/26 _x86_64_ (4 CPU) 12:06:12 LINUX RESTART (4 CPU) 12:10:00 CPU %user %nice %system %iowait %steal %idle 12:20:01 all 58.44 0.00 2.70 0.54 0.10 38.22 12:20:01 0 57.42 0.00 2.54 0.28 0.10 39.65 12:20:01 1 59.35 0.00 2.64 0.58 0.10 37.32 12:20:01 2 57.65 0.00 2.53 0.63 0.11 39.08 12:20:01 3 59.31 0.00 3.10 0.68 0.11 36.81 12:30:17 all 45.27 0.00 1.93 0.18 0.12 52.50 12:30:17 0 44.51 0.00 2.05 0.30 0.12 53.02 12:30:17 1 45.42 0.00 2.00 0.18 0.12 52.28 12:30:17 2 45.32 0.00 1.83 0.14 0.13 52.58 12:30:17 3 45.83 0.00 1.83 0.09 0.12 52.14 12:40:08 all 24.83 0.00 0.98 0.04 0.09 74.06 12:40:08 0 24.55 0.00 0.96 0.06 0.09 74.33 12:40:08 1 24.90 0.00 1.00 0.02 0.09 73.99 12:40:08 2 25.08 0.00 1.03 0.03 0.09 73.77 12:40:08 3 24.77 0.00 0.95 0.06 0.09 74.13 12:50:01 all 17.04 0.00 0.71 0.79 0.08 81.38 12:50:01 0 16.79 0.00 0.64 0.29 0.08 82.19 12:50:01 1 16.93 0.00 0.72 0.27 0.09 81.98 12:50:01 2 17.10 0.00 0.71 0.49 0.08 81.61 12:50:01 3 17.35 0.00 0.74 2.10 0.09 79.72 13:00:19 all 25.92 0.00 0.86 3.33 0.10 69.79 13:00:19 0 25.94 0.00 0.81 1.91 0.10 71.23 13:00:19 1 25.52 0.00 0.86 2.40 0.11 71.11 13:00:19 2 25.69 0.00 0.92 3.58 0.09 69.72 13:00:19 3 26.53 0.00 0.86 5.42 0.09 67.11 13:10:19 all 14.24 0.00 0.55 0.12 0.07 85.02 13:10:19 0 14.00 0.00 0.54 0.02 0.07 85.39 13:10:19 1 13.87 0.00 0.46 0.13 0.07 85.46 13:10:19 2 14.64 0.00 0.64 0.18 0.07 84.47 13:10:19 3 14.46 0.00 0.58 0.14 0.06 84.76 13:20:01 all 5.63 0.00 0.41 0.17 0.06 93.73 13:20:01 0 5.07 0.00 0.40 0.16 0.06 94.31 13:20:01 1 5.96 0.00 0.41 0.05 0.06 93.52 13:20:01 2 5.59 0.00 0.46 0.17 0.07 93.71 13:20:01 3 5.89 0.00 0.36 0.30 0.06 93.40 13:30:05 all 15.25 0.00 0.61 0.10 0.08 83.97 13:30:05 0 15.82 0.00 0.60 0.03 0.08 83.48 13:30:05 1 15.10 0.00 0.57 0.03 0.09 84.20 13:30:05 2 15.22 0.00 0.64 0.09 0.07 83.97 13:30:05 3 14.86 0.00 0.61 0.23 0.08 84.22 13:40:06 all 8.82 0.00 0.52 0.02 0.08 90.55 13:40:06 0 8.70 0.00 0.50 0.05 0.07 90.69 13:40:06 1 9.15 0.00 0.57 0.01 0.08 90.20 13:40:06 2 9.25 0.00 0.59 0.02 0.07 90.08 13:40:06 3 8.19 0.00 0.45 0.02 0.11 91.23 13:50:01 all 15.74 0.00 0.66 0.07 0.08 83.45 13:50:01 0 15.00 0.00 0.64 0.03 0.08 84.25 13:50:01 1 16.16 0.00 0.78 0.07 0.09 82.91 13:50:01 2 16.11 0.00 0.63 0.03 0.08 83.15 13:50:01 3 15.70 0.00 0.61 0.14 0.08 83.48 Average: all 23.25 0.00 1.00 0.54 0.09 75.12 Average: 0 22.91 0.00 0.97 0.32 0.08 75.71 Average: 1 23.36 0.00 1.01 0.38 0.09 75.16 Average: 2 23.29 0.00 1.00 0.54 0.09 75.07 Average: 3 23.42 0.00 1.01 0.93 0.09 74.55