---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8226 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 9.8G 68G 13% / 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 635 10991 4 4361 15011 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:9d:49:fd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84065sec preferred_lft 84065sec inet6 fe80::f816:3eff:fe9d:49fd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:f7:ef:b2:91:2c 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8226) 02/06/26 _x86_64_ (4 CPU) 13:04:49 LINUX RESTART (4 CPU) 13:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:20:18 4.16 0.34 3.53 0.29 390.67 630.62 12570.87 13:30:08 34.56 3.87 30.07 0.62 244.56 2292.25 1027.72 13:40:07 13.34 0.68 11.53 1.13 25.92 3171.38 2756.13 Average: 17.14 1.61 14.86 0.68 221.94 2016.39 5542.87 13:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:20:18 13369920 15507048 505372 3.09 60452 2299988 1146168 6.58 388980 2347552 164 13:30:08 11705220 14701484 1262220 7.71 112420 3063732 2028400 11.64 595852 3729252 248440 13:40:07 9436464 13229508 2726360 16.65 147848 3746280 2891180 16.60 825740 5700056 102124 Average: 11503868 14479347 1497984 9.15 106907 3036667 2021916 11.61 603524 3925620 116909 13:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:20:18 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 13:20:18 ens3 5.01 2.51 123.93 0.19 0.00 0.00 0.00 0.00 13:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:08 lo 0.33 0.33 0.04 0.04 0.00 0.00 0.00 0.00 13:30:08 ens3 84.85 61.35 786.58 11.84 0.00 0.00 0.00 0.00 13:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:07 lo 1.42 1.42 0.15 0.15 0.00 0.00 0.00 0.00 13:40:07 ens3 74.90 55.59 141.88 17.85 0.00 0.00 0.00 0.00 13:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.62 0.62 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 54.29 39.35 346.47 9.86 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-8226) 02/06/26 _x86_64_ (4 CPU) 13:04:49 LINUX RESTART (4 CPU) 13:10:02 CPU %user %nice %system %iowait %steal %idle 13:20:18 all 0.45 0.00 0.11 0.08 0.02 99.34 13:20:18 0 0.27 0.00 0.15 0.05 0.02 99.52 13:20:18 1 0.85 0.00 0.12 0.09 0.02 98.92 13:20:18 2 0.37 0.00 0.12 0.16 0.02 99.33 13:20:18 3 0.29 0.00 0.07 0.01 0.01 99.61 13:30:08 all 6.05 0.00 0.45 0.24 0.03 93.23 13:30:08 0 4.33 0.00 0.44 0.06 0.02 95.16 13:30:08 1 8.05 0.00 0.54 0.40 0.04 90.98 13:30:08 2 6.15 0.00 0.53 0.40 0.03 92.90 13:30:08 3 5.68 0.00 0.29 0.10 0.03 93.90 13:40:07 all 73.95 0.00 2.26 0.03 0.10 23.66 13:40:07 0 73.82 0.00 2.26 0.04 0.10 23.78 13:40:07 1 76.59 0.00 2.52 0.02 0.10 20.78 13:40:07 2 70.09 0.00 2.21 0.04 0.10 27.57 13:40:07 3 75.30 0.00 2.07 0.03 0.10 22.51 Average: all 26.60 0.00 0.94 0.12 0.05 72.30 Average: 0 25.93 0.00 0.94 0.05 0.04 73.03 Average: 1 28.26 0.00 1.05 0.17 0.05 70.47 Average: 2 25.34 0.00 0.94 0.20 0.05 73.47 Average: 3 26.87 0.00 0.81 0.05 0.04 72.24