---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-3187 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: 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 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 697 10287 4 5004 14949 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:da:63:aa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83867sec preferred_lft 83867sec inet6 fe80::f816:3eff:feda:63aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 46:1f:db:36:58:55 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-3187) 08/07/26 _x86_64_ (4 CPU) 12:58:34 LINUX RESTART (4 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:03 11.14 1.12 9.54 0.48 244.24 1954.38 135.57 13:20:03 25.94 1.88 10.31 13.75 123.09 2409.51 241506.04 13:30:01 27.78 0.83 24.53 2.42 29.54 3246.30 4992.10 13:40:03 15.27 0.24 12.43 2.61 11.88 2007.91 4931.52 Average: 20.01 1.02 14.19 4.81 102.32 2402.99 62829.08 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:03 12875828 15508148 464556 2.84 100544 2719480 1027256 5.90 403040 2771360 164 13:20:03 10707932 14117808 1842644 11.25 130556 3406924 2513676 14.43 604000 4691428 30576 13:30:01 8680284 13067636 2884268 17.62 168224 4266320 3099812 17.79 839080 6388956 111176 13:40:03 10577676 15344068 605904 3.70 176940 4616368 1117520 6.41 976260 4306976 10296 Average: 10710430 14509415 1449343 8.85 144066 3752273 1939566 11.13 705595 4539680 38053 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:03 lo 0.24 0.24 0.02 0.02 0.00 0.00 0.00 0.00 13:10:03 ens3 29.79 22.23 362.07 3.54 0.00 0.00 0.00 0.00 13:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:03 lo 0.71 0.71 0.07 0.07 0.00 0.00 0.00 0.00 13:20:03 ens3 79.73 65.34 703.00 13.71 0.00 0.00 0.00 0.00 13:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:01 lo 1210.76 1210.76 1154.30 1154.30 0.00 0.00 0.00 0.00 13:30:01 ens3 84.39 64.74 333.42 19.18 0.00 0.00 0.00 0.00 13:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:03 lo 767.34 767.34 718.54 718.54 0.00 0.00 0.00 0.00 13:40:03 ens3 84.34 81.58 159.74 183.50 0.00 0.00 0.00 0.00 13:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 493.89 493.89 467.39 467.39 0.00 0.00 0.00 0.00 Average: ens3 69.52 58.45 389.38 55.07 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-3187) 08/07/26 _x86_64_ (4 CPU) 12:58:34 LINUX RESTART (4 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:03 all 1.33 0.00 0.18 0.17 0.02 98.31 13:10:03 0 0.57 0.00 0.14 0.03 0.03 99.24 13:10:03 1 0.99 0.00 0.18 0.52 0.02 98.29 13:10:03 2 2.36 0.00 0.27 0.05 0.02 97.30 13:10:03 3 1.39 0.00 0.13 0.07 0.03 98.39 13:20:03 all 38.38 0.00 1.28 0.05 0.07 60.22 13:20:03 0 39.77 0.00 1.47 0.04 0.07 58.67 13:20:03 1 38.34 0.00 1.22 0.03 0.08 60.34 13:20:03 2 38.21 0.00 1.35 0.06 0.07 60.32 13:20:03 3 37.21 0.00 1.08 0.08 0.07 61.56 13:30:01 all 68.90 0.00 2.67 0.25 0.10 28.08 13:30:01 0 68.88 0.00 2.74 0.03 0.10 28.25 13:30:01 1 67.24 0.00 2.38 0.91 0.10 29.37 13:30:01 2 68.03 0.00 2.74 0.04 0.10 29.09 13:30:01 3 71.44 0.00 2.81 0.04 0.10 25.61 13:40:03 all 25.56 0.00 1.22 0.05 0.06 73.10 13:40:03 0 22.23 0.00 1.10 0.03 0.07 76.57 13:40:03 1 30.86 0.00 1.27 0.08 0.06 67.73 13:40:03 2 23.35 0.00 1.23 0.03 0.06 75.33 13:40:03 3 25.81 0.00 1.28 0.07 0.07 72.77 Average: all 33.45 0.00 1.33 0.13 0.06 65.02 Average: 0 32.76 0.00 1.36 0.03 0.06 65.78 Average: 1 34.28 0.00 1.26 0.38 0.07 64.01 Average: 2 32.89 0.00 1.39 0.05 0.06 65.61 Average: 3 33.87 0.00 1.32 0.07 0.06 64.68