---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7507 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: 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 622 10454 4 4911 15024 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:eb:ec:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84753sec preferred_lft 84753sec inet6 fe80::f816:3eff:feeb:ec82/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:8e:c0:21:40:bd 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-7507) 02/04/26 _x86_64_ (4 CPU) 00:25:58 LINUX RESTART (4 CPU) 00:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:01 21.10 0.49 6.63 13.98 418.69 1254.93 268312.73 00:50:01 16.51 0.53 14.86 1.12 19.40 2117.46 8145.22 Average: 18.79 0.51 10.78 7.50 217.34 1689.86 137122.79 00:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:01 8162596 11264648 4697468 28.69 113460 3157312 4890716 28.07 619592 7255772 1364 00:50:01 9107472 12924816 3032644 18.52 132960 3814108 3278248 18.82 837348 6051800 269060 Average: 8635034 12094732 3865056 23.61 123210 3485710 4084482 23.44 728470 6653786 135212 00:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:01 lo 0.61 0.61 0.39 0.39 0.00 0.00 0.00 0.00 00:40:01 ens3 21.82 12.86 249.97 2.96 0.00 0.00 0.00 0.00 00:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 lo 414.88 414.88 395.21 395.21 0.00 0.00 0.00 0.00 00:50:01 ens3 39.84 27.55 410.45 4.86 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 209.50 209.50 199.48 199.48 0.00 0.00 0.00 0.00 Average: ens3 30.91 20.27 330.89 3.92 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-7507) 02/04/26 _x86_64_ (4 CPU) 00:25:58 LINUX RESTART (4 CPU) 00:30:11 CPU %user %nice %system %iowait %steal %idle 00:40:01 all 44.70 0.00 0.74 0.19 0.08 54.29 00:40:01 0 43.95 0.00 0.78 0.10 0.09 55.07 00:40:01 1 39.33 0.00 0.69 0.18 0.08 59.73 00:40:01 2 58.50 0.00 0.85 0.20 0.08 40.37 00:40:01 3 37.03 0.00 0.65 0.29 0.07 61.96 00:50:01 all 52.65 0.00 1.27 0.26 0.11 45.70 00:50:01 0 43.23 0.00 1.41 0.32 0.11 54.93 00:50:01 1 53.65 0.00 1.43 0.33 0.12 44.47 00:50:01 2 46.60 0.00 1.05 0.20 0.10 52.04 00:50:01 3 67.14 0.00 1.20 0.17 0.12 31.37 Average: all 48.70 0.00 1.01 0.22 0.10 49.97 Average: 0 43.59 0.00 1.10 0.21 0.10 55.00 Average: 1 46.54 0.00 1.06 0.26 0.10 52.05 Average: 2 52.51 0.00 0.95 0.20 0.09 46.24 Average: 3 52.18 0.00 0.93 0.23 0.10 46.57