---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-2338 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 816 20234 4 11041 30808 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:5d:11:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.221/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84170sec preferred_lft 84170sec inet6 fe80::f816:3eff:fe5d:1166/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:eb:72:5f:7a:54 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 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-2338) 03/16/26 _x86_64_ (8 CPU) 09:56:51 LINUX RESTART (8 CPU) 10:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:11 13.70 0.49 12.27 0.94 19.19 4195.04 850.47 10:20:11 10.17 0.32 9.03 0.82 5.12 838.04 441.89 10:30:11 274.82 0.45 271.31 3.05 4.63 14023.53 93783.97 Average: 99.56 0.42 97.54 1.60 9.64 6352.28 31692.63 10:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:11 23137284 27143760 5161580 15.71 163212 4052004 5705968 16.83 595140 8652856 9820 10:20:11 23075268 27295932 5006008 15.23 170048 4238308 8319400 24.53 657668 8636212 3008 10:30:11 19745192 28513620 3748364 11.41 388596 8080688 3369012 9.93 1480576 10581576 788196 Average: 21985915 27651104 4638651 14.12 240619 5457000 5798127 17.10 911128 9290215 267008 10:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:11 lo 2.23 2.23 1.04 1.04 0.00 0.00 0.00 0.00 10:10:11 ens3 229.55 120.94 341.98 48.94 0.00 0.00 0.00 0.00 10:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:11 lo 5.84 5.84 0.97 0.97 0.00 0.00 0.00 0.00 10:20:11 ens3 34.89 23.25 107.00 8.60 0.00 0.00 0.00 0.00 10:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:11 lo 0.35 0.35 0.06 0.06 0.00 0.00 0.00 0.00 10:30:11 ens3 118.62 76.40 603.52 20.99 0.00 0.00 0.00 0.00 10:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2.80 2.80 0.69 0.69 0.00 0.00 0.00 0.00 Average: ens3 127.69 73.53 350.84 26.18 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-8c-8g-2338) 03/16/26 _x86_64_ (8 CPU) 09:56:51 LINUX RESTART (8 CPU) 10:00:11 CPU %user %nice %system %iowait %steal %idle 10:10:11 all 50.41 0.00 1.83 0.04 0.09 47.63 10:10:11 0 52.32 0.00 1.74 0.01 0.09 45.85 10:10:11 1 49.70 0.00 1.87 0.01 0.09 48.32 10:10:11 2 47.51 0.00 1.63 0.01 0.09 50.76 10:10:11 3 49.42 0.00 1.90 0.03 0.09 48.57 10:10:11 4 59.67 0.00 1.89 0.08 0.10 38.27 10:10:11 5 46.08 0.00 1.96 0.07 0.09 51.80 10:10:11 6 46.37 0.00 1.97 0.11 0.09 51.47 10:10:11 7 52.24 0.00 1.68 0.01 0.09 45.98 10:20:11 all 89.04 0.00 2.73 0.00 0.12 8.11 10:20:11 0 89.72 0.00 2.59 0.01 0.12 7.56 10:20:11 1 89.35 0.00 2.86 0.01 0.12 7.67 10:20:11 2 88.12 0.00 2.69 0.00 0.12 9.08 10:20:11 3 90.23 0.00 2.57 0.00 0.12 7.08 10:20:11 4 88.98 0.00 2.95 0.00 0.12 7.95 10:20:11 5 88.78 0.00 2.93 0.00 0.12 8.17 10:20:11 6 88.91 0.00 2.61 0.00 0.11 8.36 10:20:11 7 88.21 0.00 2.62 0.00 0.12 9.05 10:30:11 all 67.45 0.00 3.20 0.24 0.09 29.02 10:30:11 0 66.30 0.00 3.66 0.34 0.09 29.62 10:30:11 1 71.00 0.00 3.22 0.24 0.09 25.45 10:30:11 2 65.66 0.00 3.03 0.23 0.09 30.99 10:30:11 3 69.56 0.00 3.09 0.22 0.09 27.04 10:30:11 4 67.99 0.00 3.63 0.24 0.09 28.05 10:30:11 5 67.59 0.00 2.95 0.19 0.08 29.19 10:30:11 6 66.21 0.00 3.27 0.31 0.09 30.12 10:30:11 7 65.31 0.00 2.76 0.14 0.09 31.70 Average: all 68.98 0.00 2.59 0.09 0.10 28.24 Average: 0 69.45 0.00 2.66 0.12 0.10 27.67 Average: 1 70.03 0.00 2.65 0.09 0.10 27.14 Average: 2 67.10 0.00 2.45 0.08 0.10 30.27 Average: 3 69.75 0.00 2.52 0.08 0.10 27.54 Average: 4 72.23 0.00 2.82 0.11 0.10 24.74 Average: 5 67.50 0.00 2.62 0.09 0.10 29.70 Average: 6 67.18 0.00 2.62 0.14 0.10 29.97 Average: 7 68.61 0.00 2.35 0.05 0.10 28.89