---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-54552 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 714 11589 4 3684 14924 Swap: 1023 17 1006 ---> 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:5f:99:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78626sec preferred_lft 78626sec inet6 fe80::f816:3eff:fe5f:99ca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:9e:eb:d7:aa:34 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::e49e:ebff:fed7:aa34/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-54552) 03/31/26 _x86_64_ (4 CPU) 10:33:24 LINUX RESTART (4 CPU) 10:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:01 72.59 1.98 67.10 3.51 119.65 24833.29 10478.65 11:00:00 55.35 24.54 29.10 1.71 328.38 1862.98 1052.42 11:10:05 15.02 6.42 8.15 0.44 108.98 242.32 396.08 11:20:01 7.98 0.08 7.50 0.40 1.88 280.51 860.63 11:30:05 11.99 0.70 10.80 0.49 10.81 560.08 341.77 11:40:05 16.47 0.11 15.60 0.76 2.55 510.69 283.31 11:50:00 6.96 0.10 6.63 0.22 2.50 165.65 897.56 12:00:05 19.73 0.15 4.10 15.48 2.39 125.01 209104.66 12:10:05 7.35 0.02 6.97 0.36 2.01 251.95 156.52 12:20:00 3.82 0.02 3.81 0.00 0.15 61.38 0.00 12:30:05 12.25 0.41 11.32 0.52 13.46 687.59 548.21 12:40:05 5.34 0.03 5.14 0.17 0.75 176.92 64.91 Average: 19.55 2.88 14.65 2.02 49.42 2465.41 18837.94 10:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:01 762112 8922108 6998644 42.74 261536 7681964 9119304 52.34 2256604 12574568 3348 11:00:00 9948972 12349284 3581460 21.87 268380 2195616 5051412 29.00 1885996 4056424 4892 11:10:05 4728256 7174968 8754804 53.47 269844 2240548 9500820 54.53 1930568 9199548 196 11:20:01 5991276 8459584 7472712 45.64 271160 2260828 8673268 49.78 1936356 7936752 320 11:30:05 9247604 11824044 4109856 25.10 275788 2364288 5076256 29.14 1974004 4674552 632 11:40:05 8748956 11399140 4534312 27.69 278196 2435620 5280032 30.31 1981204 5154276 360 11:50:00 11876004 14557136 1378224 8.42 278748 2466016 2137616 12.27 1983504 2047608 14972 12:00:05 8616188 11306532 4626752 28.26 279604 2474376 5343148 30.67 1989548 5284872 200 12:10:05 7366716 10096884 5835800 35.64 280712 2513088 6642244 38.13 1995148 6516664 264 12:20:00 7044188 9776824 6155604 37.60 281096 2515180 6857244 39.36 1995592 6844308 52 12:30:05 8567144 11452316 4481148 27.37 285656 2662620 5184632 29.76 2014216 5310424 212 12:40:05 7551360 10465080 5467892 33.40 286164 2690652 6051584 34.74 2025424 6291032 296 Average: 7537398 10648658 5283101 32.27 276407 2875066 6243130 35.84 1997347 6324252 2145 10:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:01 lo 4.04 4.04 5.12 5.12 0.00 0.00 0.00 0.00 10:50:01 ens3 35.82 27.72 649.39 3.03 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 38.71 38.71 20.61 20.61 0.00 0.00 0.00 0.00 11:00:00 ens3 2.15 2.18 0.48 0.43 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:05 lo 33.94 33.94 14.36 14.36 0.00 0.00 0.00 0.00 11:10:05 ens3 2.02 0.78 0.40 0.22 0.00 0.00 0.00 0.00 11:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 6.97 6.97 4.74 4.74 0.00 0.00 0.00 0.00 11:20:01 ens3 0.70 0.37 0.15 0.10 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 8.70 8.70 3.90 3.90 0.00 0.00 0.00 0.00 11:30:05 ens3 0.75 0.58 0.18 0.80 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:05 lo 15.68 15.68 8.47 8.47 0.00 0.00 0.00 0.00 11:40:05 ens3 1.70 1.20 0.30 0.91 0.00 0.00 0.00 0.00 11:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:00 lo 18.02 18.02 8.70 8.70 0.00 0.00 0.00 0.00 11:50:00 ens3 0.94 0.67 0.21 0.16 0.00 0.00 0.00 0.00 11:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:05 lo 24.17 24.17 8.13 8.13 0.00 0.00 0.00 0.00 12:00:05 ens3 0.65 0.34 0.17 0.11 0.00 0.00 0.00 0.00 12:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:05 lo 19.13 19.13 10.90 10.90 0.00 0.00 0.00 0.00 12:10:05 ens3 1.31 0.82 0.29 0.20 0.00 0.00 0.00 0.00 12:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:00 lo 15.69 15.69 8.29 8.29 0.00 0.00 0.00 0.00 12:20:00 ens3 0.78 0.43 0.18 0.12 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:05 lo 15.51 15.51 8.89 8.89 0.00 0.00 0.00 0.00 12:30:05 ens3 1.09 0.83 0.30 0.23 0.00 0.00 0.00 0.00 12:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:05 lo 31.85 31.85 12.29 12.29 0.00 0.00 0.00 0.00 12:40:05 ens3 1.55 0.64 0.35 0.22 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 Average: lo 19.39 19.39 9.54 9.54 0.00 0.00 0.00 0.00 Average: ens3 4.10 3.03 53.98 0.54 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-54552) 03/31/26 _x86_64_ (4 CPU) 10:33:24 LINUX RESTART (4 CPU) 10:40:06 CPU %user %nice %system %iowait %steal %idle 10:50:01 all 32.62 0.00 1.51 14.78 0.09 51.00 10:50:01 0 32.43 0.00 1.55 10.77 0.08 55.17 10:50:01 1 32.35 0.00 1.59 11.61 0.09 54.36 10:50:01 2 32.61 0.00 1.25 23.89 0.08 42.16 10:50:01 3 33.10 0.00 1.66 12.85 0.09 52.31 11:00:00 all 54.48 0.00 2.17 0.16 0.13 43.05 11:00:00 0 54.16 0.00 2.19 0.17 0.13 43.35 11:00:00 1 53.06 0.00 2.24 0.29 0.13 44.28 11:00:00 2 55.90 0.00 2.08 0.05 0.13 41.84 11:00:00 3 54.82 0.00 2.19 0.14 0.13 42.73 11:10:05 all 19.81 0.00 0.87 0.06 0.10 79.17 11:10:05 0 20.02 0.00 0.79 0.06 0.10 79.02 11:10:05 1 19.62 0.00 0.98 0.07 0.10 79.23 11:10:05 2 19.77 0.00 0.82 0.04 0.10 79.27 11:10:05 3 19.81 0.00 0.87 0.08 0.10 79.14 11:20:01 all 16.85 0.00 0.73 0.12 0.08 82.23 11:20:01 0 16.48 0.00 0.60 0.12 0.07 82.73 11:20:01 1 16.91 0.00 0.91 0.07 0.09 82.02 11:20:01 2 17.03 0.00 0.61 0.20 0.07 82.09 11:20:01 3 16.98 0.00 0.80 0.08 0.07 82.07 11:30:05 all 15.00 0.00 0.71 0.04 0.07 84.18 11:30:05 0 14.68 0.00 0.65 0.03 0.06 84.58 11:30:05 1 15.67 0.00 0.73 0.03 0.08 83.49 11:30:05 2 14.75 0.00 0.71 0.04 0.08 84.41 11:30:05 3 14.88 0.00 0.75 0.07 0.07 84.22 11:40:05 all 25.92 0.00 0.81 0.04 0.08 73.14 11:40:05 0 25.83 0.00 0.76 0.03 0.08 73.30 11:40:05 1 25.38 0.00 0.83 0.03 0.08 73.67 11:40:05 2 26.31 0.00 0.78 0.07 0.08 72.77 11:40:05 3 26.16 0.00 0.88 0.04 0.08 72.84 11:50:00 all 10.45 0.00 0.49 0.02 0.08 88.97 11:50:00 0 9.97 0.00 0.41 0.01 0.06 89.54 11:50:00 1 10.90 0.00 0.54 0.01 0.08 88.48 11:50:00 2 10.41 0.00 0.52 0.06 0.08 88.94 11:50:00 3 10.51 0.00 0.49 0.01 0.08 88.92 12:00:05 all 6.65 0.00 0.45 0.04 0.07 92.79 12:00:05 0 6.49 0.00 0.48 0.09 0.07 92.86 12:00:05 1 6.58 0.00 0.43 0.01 0.07 92.92 12:00:05 2 6.95 0.00 0.48 0.01 0.08 92.47 12:00:05 3 6.56 0.00 0.42 0.02 0.07 92.92 12:10:05 all 16.77 0.00 0.70 0.03 0.09 82.42 12:10:05 0 17.16 0.00 0.68 0.02 0.08 82.06 12:10:05 1 17.17 0.00 0.75 0.01 0.09 81.98 12:10:05 2 16.13 0.00 0.68 0.05 0.08 83.06 12:10:05 3 16.60 0.00 0.71 0.02 0.09 82.58 12:20:00 all 3.22 0.00 0.35 0.01 0.07 96.35 12:20:00 0 3.09 0.00 0.30 0.01 0.07 96.54 12:20:00 1 3.22 0.00 0.41 0.01 0.08 96.29 12:20:00 2 3.56 0.00 0.37 0.03 0.08 95.96 12:20:00 3 2.99 0.00 0.32 0.02 0.07 96.61 12:30:05 all 19.60 0.00 0.77 0.08 0.08 79.48 12:30:05 0 19.04 0.00 0.70 0.03 0.07 80.16 12:30:05 1 19.33 0.00 0.78 0.17 0.08 79.64 12:30:05 2 20.60 0.00 0.87 0.07 0.08 78.37 12:30:05 3 19.41 0.00 0.73 0.05 0.08 79.73 12:30:05 CPU %user %nice %system %iowait %steal %idle 12:40:05 all 10.52 0.00 0.48 0.06 0.08 88.85 12:40:05 0 10.50 0.00 0.44 0.01 0.08 88.97 12:40:05 1 10.02 0.00 0.47 0.03 0.09 89.40 12:40:05 2 10.72 0.00 0.55 0.10 0.08 88.54 12:40:05 3 10.84 0.00 0.47 0.11 0.07 88.50 Average: all 19.30 0.00 0.84 1.28 0.08 78.50 Average: 0 19.14 0.00 0.80 0.94 0.08 79.05 Average: 1 19.17 0.00 0.89 1.02 0.09 78.83 Average: 2 19.53 0.00 0.81 2.03 0.08 77.54 Average: 3 19.37 0.00 0.85 1.12 0.08 78.58