---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-12137 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: 5600.00 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 697 10967 4 4324 14949 Swap: 1023 1 1022 ---> 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:1b:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79593sec preferred_lft 79593sec inet6 fe80::f816:3eff:fe2e:1b4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:73:cf:d4:64:4f 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::a073:cfff:fed4:644f/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-12137) 03/23/26 _x86_64_ (4 CPU) 07:44:48 LINUX RESTART (4 CPU) 07:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:03 101.22 23.59 73.17 4.46 971.40 21162.01 13199.07 08:10:01 24.20 3.69 19.53 0.98 77.44 495.34 593.59 08:20:03 6.42 0.18 5.91 0.33 11.28 204.26 185.83 08:30:03 9.90 0.08 9.34 0.47 2.33 525.75 484.96 08:40:03 18.43 0.03 17.55 0.84 1.55 551.73 402.88 08:50:03 5.67 0.01 5.40 0.26 0.68 175.27 66.67 09:00:03 4.87 0.01 4.65 0.20 0.59 134.56 51.97 09:10:03 6.58 0.03 6.30 0.26 1.77 230.35 182.83 09:20:03 21.34 0.08 5.36 15.90 2.11 110.48 209832.20 09:30:03 10.83 0.04 10.40 0.39 4.15 627.48 258.29 Average: 20.94 2.77 15.76 2.41 107.30 2421.64 22525.69 07:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:03 163004 3840312 12088588 73.83 270124 3369736 13241076 76.00 2331884 13261604 2536 08:10:01 7399204 10545572 5389696 32.92 272512 2886444 6338080 36.38 2322944 6120204 4084 08:20:03 7023948 10189476 5746032 35.09 273436 2904680 7046324 40.45 2329544 6457980 244 08:30:03 9986336 13254084 2685228 16.40 277376 3002964 3613168 20.74 2356872 3510376 10056 08:40:03 8978140 12324788 3614216 22.07 280368 3078900 5005696 28.73 2373444 4502076 12096 08:50:03 7911716 11273668 4664532 28.49 281220 3093368 5417904 31.10 2375000 5562260 292 09:00:03 7972424 11352296 4585892 28.01 281628 3110884 5272648 30.26 2376128 5498488 204 09:10:03 8868940 12285920 3652880 22.31 282288 3147340 4911456 28.19 2380864 4599840 668 09:20:03 9518244 12962872 2976368 18.18 283092 3174184 4350376 24.97 2388312 3949836 16340 09:30:03 7742172 11314928 4622972 28.24 287132 3295452 5304304 30.45 2403148 5701752 200 Average: 7556413 10934392 5002640 30.55 278918 3106395 6050103 34.73 2363814 5916442 4672 07:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:03 lo 16.27 16.27 14.78 14.78 0.00 0.00 0.00 0.00 08:00:03 ens3 43.87 29.02 831.95 3.30 0.00 0.00 0.00 0.00 08:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 42.15 42.15 18.31 18.31 0.00 0.00 0.00 0.00 08:10:01 ens3 1.70 1.67 0.34 0.30 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:03 lo 20.62 20.62 8.99 8.99 0.00 0.00 0.00 0.00 08:20:03 ens3 1.17 0.53 0.21 0.12 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 11.48 11.48 6.08 6.08 0.00 0.00 0.00 0.00 08:30:03 ens3 1.20 0.71 0.27 1.17 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 12.88 12.88 7.22 7.22 0.00 0.00 0.00 0.00 08:40:03 ens3 1.13 0.78 0.24 0.18 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:03 lo 20.12 20.12 9.70 9.70 0.00 0.00 0.00 0.00 08:50:03 ens3 0.99 0.61 0.23 0.16 0.00 0.00 0.00 0.00 08:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:03 lo 26.24 26.24 8.89 8.89 0.00 0.00 0.00 0.00 09:00:03 ens3 0.59 0.37 0.13 0.09 0.00 0.00 0.00 0.00 09:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:03 lo 16.87 16.87 8.58 8.58 0.00 0.00 0.00 0.00 09:10:03 ens3 0.72 0.52 0.14 0.10 0.00 0.00 0.00 0.00 09:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:03 lo 17.87 17.87 10.48 10.48 0.00 0.00 0.00 0.00 09:20:03 ens3 0.71 0.49 0.14 0.10 0.00 0.00 0.00 0.00 09:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:03 lo 18.27 18.27 10.14 10.14 0.00 0.00 0.00 0.00 09:30:03 ens3 1.17 0.89 0.32 0.25 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.27 20.27 10.31 10.31 0.00 0.00 0.00 0.00 Average: ens3 5.33 3.56 83.40 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-12137) 03/23/26 _x86_64_ (4 CPU) 07:44:48 LINUX RESTART (4 CPU) 07:50:03 CPU %user %nice %system %iowait %steal %idle 08:00:03 all 52.93 0.00 2.33 4.61 0.11 40.01 08:00:03 0 53.13 0.00 2.10 4.00 0.11 40.65 08:00:03 1 51.43 0.00 2.47 4.94 0.12 41.05 08:00:03 2 52.03 0.00 2.14 3.56 0.11 42.15 08:00:03 3 55.15 0.00 2.61 5.93 0.12 36.19 08:10:01 all 42.34 0.00 1.71 0.27 0.33 55.34 08:10:01 0 42.29 0.00 1.65 0.07 0.21 55.78 08:10:01 1 42.00 0.00 1.68 0.66 0.34 55.32 08:10:01 2 42.17 0.00 1.68 0.18 0.36 55.61 08:10:01 3 42.90 0.00 1.84 0.17 0.42 54.67 08:20:03 all 13.64 0.00 0.60 0.03 0.08 85.66 08:20:03 0 14.27 0.00 0.61 0.01 0.08 85.03 08:20:03 1 13.44 0.00 0.54 0.02 0.08 85.94 08:20:03 2 13.97 0.00 0.69 0.01 0.07 85.25 08:20:03 3 12.87 0.00 0.55 0.07 0.07 86.44 08:30:03 all 18.61 0.00 0.72 0.04 0.07 80.56 08:30:03 0 18.45 0.00 0.68 0.03 0.07 80.77 08:30:03 1 19.73 0.00 0.90 0.08 0.07 79.21 08:30:03 2 18.18 0.00 0.75 0.04 0.07 80.97 08:30:03 3 18.08 0.00 0.54 0.02 0.07 81.29 08:40:03 all 29.27 0.00 0.97 0.05 0.08 69.63 08:40:03 0 29.61 0.00 0.95 0.02 0.07 69.35 08:40:03 1 29.86 0.00 0.96 0.12 0.08 68.97 08:40:03 2 28.72 0.00 1.02 0.04 0.08 70.14 08:40:03 3 28.89 0.00 0.94 0.02 0.08 70.08 08:50:03 all 10.41 0.00 0.47 0.03 0.06 89.03 08:50:03 0 10.20 0.00 0.48 0.02 0.06 89.24 08:50:03 1 10.62 0.00 0.48 0.05 0.06 88.79 08:50:03 2 10.46 0.00 0.43 0.02 0.06 89.03 08:50:03 3 10.36 0.00 0.49 0.03 0.06 89.07 09:00:03 all 8.13 0.00 0.35 0.02 0.06 91.44 09:00:03 0 8.05 0.00 0.40 0.03 0.05 91.46 09:00:03 1 8.09 0.00 0.32 0.01 0.06 91.53 09:00:03 2 8.08 0.00 0.35 0.04 0.06 91.47 09:00:03 3 8.31 0.00 0.34 0.00 0.06 91.29 09:10:03 all 13.61 0.00 0.53 0.03 0.06 85.77 09:10:03 0 13.55 0.00 0.48 0.01 0.06 85.91 09:10:03 1 13.64 0.00 0.55 0.02 0.07 85.73 09:10:03 2 14.07 0.00 0.59 0.02 0.06 85.25 09:10:03 3 13.16 0.00 0.52 0.06 0.07 86.20 09:20:03 all 10.10 0.00 0.56 0.04 0.07 89.23 09:20:03 0 10.14 0.00 0.53 0.01 0.06 89.25 09:20:03 1 10.02 0.00 0.59 0.02 0.06 89.30 09:20:03 2 10.07 0.00 0.59 0.10 0.07 89.16 09:20:03 3 10.16 0.00 0.52 0.03 0.07 89.22 09:30:03 all 17.73 0.00 0.73 0.22 0.08 81.24 09:30:03 0 17.34 0.00 0.64 0.23 0.08 81.71 09:30:03 1 17.88 0.00 0.78 0.43 0.08 80.84 09:30:03 2 17.79 0.00 0.72 0.11 0.07 81.31 09:30:03 3 17.93 0.00 0.76 0.12 0.08 81.10 Average: all 21.65 0.00 0.90 0.53 0.10 76.82 Average: 0 21.67 0.00 0.85 0.44 0.09 76.95 Average: 1 21.64 0.00 0.93 0.63 0.10 76.70 Average: 2 21.53 0.00 0.90 0.41 0.10 77.06 Average: 3 21.76 0.00 0.91 0.64 0.11 76.58