---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7712 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 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 625 10451 4 4912 15021 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:7c:cc:61 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.156/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84772sec preferred_lft 84772sec inet6 fe80::f816:3eff:fe7c:cc61/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:64:90:78:92:ef 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-7712) 02/04/26 _x86_64_ (4 CPU) 20:05:47 LINUX RESTART (4 CPU) 20:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:20:03 8.68 0.62 7.47 0.58 427.45 1245.27 28815.03 20:30:03 14.00 0.53 12.44 1.02 19.41 1975.79 7878.92 Average: 11.34 0.58 9.96 0.80 223.43 1610.53 18346.97 20:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:20:03 8478340 11564808 4397816 26.86 113800 3141792 4537360 26.04 618216 6927956 604 20:30:03 9919188 13534656 2424056 14.81 136284 3617016 2687752 15.43 801544 5283720 97968 Average: 9198764 12549732 3410936 20.83 125042 3379404 3612556 20.74 709880 6105838 49286 20:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:20:03 lo 0.68 0.68 0.38 0.38 0.00 0.00 0.00 0.00 20:20:03 ens3 25.93 19.30 288.86 3.20 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:03 lo 333.39 333.39 317.36 317.36 0.00 0.00 0.00 0.00 20:30:03 ens3 38.76 26.59 409.48 3.74 0.00 0.00 0.00 0.00 20:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 167.03 167.03 158.87 158.87 0.00 0.00 0.00 0.00 Average: ens3 32.34 22.95 349.17 3.47 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-7712) 02/04/26 _x86_64_ (4 CPU) 20:05:47 LINUX RESTART (4 CPU) 20:10:03 CPU %user %nice %system %iowait %steal %idle 20:20:03 all 47.40 0.00 0.81 0.22 0.08 51.49 20:20:03 0 53.07 0.00 0.78 0.21 0.07 45.87 20:20:03 1 45.01 0.00 0.84 0.16 0.08 53.91 20:20:03 2 37.28 0.00 0.76 0.38 0.08 61.51 20:20:03 3 54.28 0.00 0.88 0.12 0.07 44.64 20:30:03 all 53.89 0.00 1.13 0.05 0.08 44.84 20:30:03 0 44.79 0.00 1.26 0.05 0.08 53.82 20:30:03 1 66.60 0.00 1.08 0.04 0.09 32.19 20:30:03 2 57.21 0.00 1.27 0.05 0.09 41.38 20:30:03 3 46.96 0.00 0.92 0.07 0.08 51.97 Average: all 50.64 0.00 0.97 0.13 0.08 48.17 Average: 0 48.93 0.00 1.02 0.13 0.07 49.84 Average: 1 55.81 0.00 0.96 0.10 0.09 43.05 Average: 2 47.22 0.00 1.01 0.21 0.08 51.47 Average: 3 50.62 0.00 0.90 0.09 0.08 48.30