---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8167 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 638 10319 4 5031 15008 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:01:7a:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84450sec preferred_lft 84450sec inet6 fe80::f816:3eff:fe01:7abe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:2b:66:7d:3d:8e 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-8167) 02/06/26 _x86_64_ (4 CPU) 07:38:42 LINUX RESTART (4 CPU) 07:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:00 66.52 4.83 47.64 14.06 868.21 4313.62 264542.56 08:00:00 3.98 0.07 3.74 0.17 6.94 584.72 25.65 08:10:01 23.96 0.65 21.29 2.03 25.61 6132.83 7565.76 Average: 31.39 1.84 24.16 5.39 298.69 3675.27 90233.42 07:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:00 10913944 14022544 1940356 11.85 110892 3173884 2380572 13.66 647160 4487076 10872 08:00:00 9305064 12567096 3394596 20.73 116644 3308672 3553668 20.40 693632 6029552 104 08:10:01 10587880 15381616 573892 3.51 140568 4757372 1096412 6.29 1065876 4303920 25936 Average: 10268963 13990419 1969615 12.03 122701 3746643 2343551 13.45 802223 4940183 12304 07:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:00 lo 0.43 0.43 0.06 0.06 0.00 0.00 0.00 0.00 07:50:00 ens3 91.14 65.04 1000.49 11.17 0.00 0.00 0.00 0.00 07:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:00 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 08:00:00 ens3 9.99 8.01 37.55 2.37 0.00 0.00 0.00 0.00 08:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 479.17 479.17 454.92 454.92 0.00 0.00 0.00 0.00 08:10:01 ens3 48.94 38.16 483.80 36.94 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 160.50 160.50 152.20 152.20 0.00 0.00 0.00 0.00 Average: ens3 49.91 36.99 505.92 16.85 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-8167) 02/06/26 _x86_64_ (4 CPU) 07:38:42 LINUX RESTART (4 CPU) 07:40:04 CPU %user %nice %system %iowait %steal %idle 07:50:00 all 23.30 0.00 0.89 0.42 0.05 75.34 07:50:00 0 25.75 0.00 0.72 0.21 0.06 73.27 07:50:00 1 21.37 0.00 0.94 0.61 0.06 77.03 07:50:00 2 24.92 0.00 0.87 0.31 0.05 73.84 07:50:00 3 21.14 0.00 1.03 0.54 0.06 77.23 08:00:00 all 47.74 0.00 0.65 0.02 0.08 51.50 08:00:00 0 43.52 0.00 0.56 0.01 0.07 55.84 08:00:00 1 42.75 0.00 0.63 0.01 0.08 56.52 08:00:00 2 47.37 0.00 0.68 0.04 0.08 51.83 08:00:00 3 57.35 0.00 0.73 0.02 0.09 41.81 08:10:01 all 54.00 0.00 1.45 0.15 0.12 44.27 08:10:01 0 47.12 0.00 1.52 0.35 0.09 50.91 08:10:01 1 74.42 0.00 1.34 0.10 0.21 23.93 08:10:01 2 49.30 0.00 1.57 0.04 0.09 49.01 08:10:01 3 45.21 0.00 1.38 0.13 0.09 53.20 Average: all 41.73 0.00 1.00 0.20 0.09 56.99 Average: 0 38.83 0.00 0.94 0.19 0.07 59.97 Average: 1 46.22 0.00 0.97 0.24 0.12 52.45 Average: 2 40.57 0.00 1.04 0.13 0.07 58.19 Average: 3 41.31 0.00 1.04 0.23 0.08 57.34