---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2226 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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 11G 67G 14% / 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 694 10419 4 4874 14952 Swap: 1023 0 1023 ---> 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:20:bd:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.13/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83011sec preferred_lft 83011sec inet6 fe80::f816:3eff:fe20:bdf4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:d2:d1:7c:16:50 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 ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2226) 08/05/26 _x86_64_ (4 CPU) 02:14:56 LINUX RESTART (4 CPU) 02:20:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:41 1.94 0.00 1.92 0.01 0.04 32.78 0.20 02:40:43 1.82 0.00 1.82 0.00 0.00 30.92 0.00 02:50:15 7.76 1.96 5.56 0.24 128.89 1795.09 685.43 03:00:30 10.52 0.47 8.94 1.11 18.40 2179.77 2513.97 03:10:01 28.25 0.61 23.36 4.28 23.13 3862.06 13307.26 Average: 9.86 0.59 8.17 1.10 33.08 1551.57 3207.36 02:20:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:41 13004244 15505256 469776 2.87 98424 2591576 1003540 5.76 338024 2709360 164 02:40:43 12967960 15470836 503904 3.08 99856 2591712 1019400 5.85 339472 2746900 28 02:50:15 10825720 13887824 2075456 12.68 120912 3091492 2753764 15.81 491424 4702132 26336 03:00:30 9804228 13517048 2440064 14.90 151532 3648112 2629380 15.09 657044 5477420 20704 03:10:01 10731000 15363148 587528 3.59 178000 4483056 1114272 6.40 903736 4232208 4 Average: 11466630 14748822 1215346 7.42 129745 3281190 1704071 9.78 545940 3973604 9447 02:20:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:41 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:30:41 ens3 7.35 5.90 93.39 0.81 0.00 0.00 0.00 0.00 02:30:41 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:43 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 02:40:43 ens3 14.79 11.48 115.21 7.78 0.00 0.00 0.00 0.00 02:40:43 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:15 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 02:50:15 ens3 67.92 52.40 637.60 10.29 0.00 0.00 0.00 0.00 02:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:30 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 03:00:30 ens3 77.17 58.56 95.58 19.10 0.00 0.00 0.00 0.00 03:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 lo 1942.93 1942.93 1840.12 1840.12 0.00 0.00 0.00 0.00 03:10:01 ens3 113.53 97.98 459.69 160.19 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 373.40 373.40 353.28 353.28 0.00 0.00 0.00 0.00 Average: ens3 55.36 44.57 273.36 38.43 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-2226) 08/05/26 _x86_64_ (4 CPU) 02:14:56 LINUX RESTART (4 CPU) 02:20:29 CPU %user %nice %system %iowait %steal %idle 02:30:41 all 0.08 0.00 0.04 0.01 0.02 99.85 02:30:41 0 0.05 0.00 0.03 0.03 0.03 99.86 02:30:41 1 0.03 0.00 0.03 0.00 0.02 99.91 02:30:41 2 0.24 0.00 0.06 0.00 0.01 99.69 02:30:41 3 0.02 0.00 0.02 0.00 0.02 99.94 02:40:43 all 0.16 0.00 0.05 0.01 0.02 99.75 02:40:43 0 0.13 0.00 0.03 0.03 0.01 99.80 02:40:43 1 0.14 0.00 0.05 0.00 0.02 99.78 02:40:43 2 0.30 0.00 0.09 0.02 0.03 99.55 02:40:43 3 0.08 0.00 0.04 0.00 0.03 99.86 02:50:15 all 21.29 0.00 0.72 0.03 0.05 77.91 02:50:15 0 20.73 0.00 0.70 0.02 0.04 78.51 02:50:15 1 21.27 0.00 0.81 0.02 0.04 77.86 02:50:15 2 21.43 0.00 0.66 0.03 0.06 77.81 02:50:15 3 21.71 0.00 0.73 0.04 0.06 77.46 03:00:30 all 71.89 0.00 2.34 0.03 0.13 25.62 03:00:30 0 71.53 0.00 2.18 0.03 0.13 26.14 03:00:30 1 70.55 0.00 2.61 0.03 0.13 26.68 03:00:30 2 73.07 0.00 2.52 0.03 0.12 24.25 03:00:30 3 72.39 0.00 2.06 0.03 0.13 25.39 03:10:01 all 41.98 0.00 2.12 0.46 0.09 55.34 03:10:01 0 42.62 0.00 2.26 0.07 0.09 54.95 03:10:01 1 43.89 0.00 2.22 0.05 0.10 53.74 03:10:01 2 43.11 0.00 2.05 0.77 0.09 53.97 03:10:01 3 38.28 0.00 1.96 0.95 0.09 58.72 Average: all 27.09 0.00 1.05 0.10 0.06 71.69 Average: 0 27.02 0.00 1.03 0.04 0.06 71.85 Average: 1 27.16 0.00 1.14 0.02 0.06 71.62 Average: 2 27.62 0.00 1.07 0.17 0.06 71.07 Average: 3 26.55 0.00 0.96 0.20 0.06 72.23