---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39068 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 672 10371 4 4945 14974 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:47:53:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.116/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84462sec preferred_lft 84462sec inet6 fe80::f816:3eff:fe47:53ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:3f:c0:1c:8f:d1 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-39068) 08/20/26 _x86_64_ (4 CPU) 14:38:46 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:05 20.60 2.83 16.92 0.86 165.33 8274.41 438.20 15:00:05 11.29 0.50 9.74 1.06 18.29 2456.20 2075.32 15:10:01 25.17 0.59 20.65 3.93 22.81 3641.01 9025.31 Average: 19.01 1.31 15.76 1.94 69.15 4801.59 3826.32 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:05 11138068 14225748 1736988 10.61 120452 3115788 2359320 13.54 497096 4386036 38712 15:00:05 9316936 13112208 2844016 17.37 153940 3721068 2968368 17.04 676184 5951140 23004 15:10:01 10646636 15354124 596068 3.64 178324 4552176 1109064 6.37 925124 4285484 13720 Average: 10367213 14230693 1725691 10.54 150905 3796344 2145584 12.32 699468 4874220 25145 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:05 lo 0.63 0.63 0.06 0.06 0.00 0.00 0.00 0.00 14:50:05 ens3 90.62 71.13 815.37 13.49 0.00 0.00 0.00 0.00 14:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:05 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 15:00:05 ens3 76.95 58.91 137.88 18.46 0.00 0.00 0.00 0.00 15:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1628.55 1628.55 1540.13 1540.13 0.00 0.00 0.00 0.00 15:10:01 ens3 123.49 107.28 450.99 198.06 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 539.76 539.76 509.88 509.88 0.00 0.00 0.00 0.00 Average: ens3 96.94 79.02 468.96 76.24 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-39068) 08/20/26 _x86_64_ (4 CPU) 14:38:46 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:05 all 23.88 0.00 0.96 0.37 0.06 74.74 14:50:05 0 27.43 0.00 1.06 0.30 0.06 71.15 14:50:05 1 22.91 0.00 0.83 1.07 0.05 75.14 14:50:05 2 23.43 0.00 1.11 0.08 0.06 75.32 14:50:05 3 21.74 0.00 0.83 0.03 0.06 77.34 15:00:05 all 72.87 0.00 2.25 0.53 0.12 24.24 15:00:05 0 73.27 0.00 2.22 0.75 0.12 23.65 15:00:05 1 74.44 0.00 2.38 0.35 0.12 22.72 15:00:05 2 70.11 0.00 2.17 0.74 0.12 26.87 15:00:05 3 73.66 0.00 2.23 0.28 0.12 23.71 15:10:01 all 40.46 0.00 2.11 1.74 0.10 55.60 15:10:01 0 37.64 0.00 2.28 1.11 0.10 58.87 15:10:01 1 41.68 0.00 2.09 1.13 0.10 54.99 15:10:01 2 41.66 0.00 2.10 2.62 0.10 53.52 15:10:01 3 40.86 0.00 1.95 2.09 0.10 55.00 Average: all 45.70 0.00 1.77 0.87 0.09 51.57 Average: 0 46.08 0.00 1.85 0.72 0.09 51.26 Average: 1 46.31 0.00 1.76 0.85 0.09 50.99 Average: 2 45.03 0.00 1.79 1.14 0.09 51.95 Average: 3 45.37 0.00 1.67 0.80 0.09 52.08