---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-19298 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): 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: 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: 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 11G 145G 7% / 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 704 26679 4 4708 30920 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:f4:93:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84673sec preferred_lft 84673sec inet6 fe80::f816:3eff:fef4:93c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:6a:b1:d8:79:77 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-8c-8g-19298) 02/20/26 _x86_64_ (8 CPU) 12:09:02 LINUX RESTART (8 CPU) 12:10:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:21 37.61 3.66 30.85 3.10 382.28 6349.10 14382.22 12:30:01 37.88 0.10 32.81 4.96 5.27 2623.05 20102.95 Average: 37.74 1.89 31.83 4.03 194.40 4492.28 17233.05 12:10:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:21 26010192 29515772 2793484 8.50 157380 3583804 2920892 8.61 749532 5656996 8752 12:30:01 25127356 29135556 3169628 9.65 197056 4002232 3173920 9.36 873216 6377724 104460 Average: 25568774 29325664 2981556 9.07 177218 3793018 3047406 8.99 811374 6017360 56606 12:10:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:21 lo 908.66 908.66 863.58 863.58 0.00 0.00 0.00 0.00 12:20:21 ens3 107.46 81.84 985.02 14.91 0.00 0.00 0.00 0.00 12:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 2198.32 2198.32 2094.19 2094.19 0.00 0.00 0.00 0.00 12:30:01 ens3 30.67 23.05 10.15 7.01 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1551.34 1551.34 1476.83 1476.83 0.00 0.00 0.00 0.00 Average: ens3 69.19 52.55 499.21 10.98 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-8c-8g-19298) 02/20/26 _x86_64_ (8 CPU) 12:09:02 LINUX RESTART (8 CPU) 12:10:37 CPU %user %nice %system %iowait %steal %idle 12:20:21 all 39.05 0.00 1.57 0.27 0.07 59.03 12:20:21 0 37.19 0.00 1.43 0.12 0.08 61.19 12:20:21 1 37.80 0.00 1.57 0.26 0.08 60.29 12:20:21 2 44.78 0.00 1.58 0.41 0.08 53.16 12:20:21 3 39.77 0.00 1.86 0.25 0.08 58.04 12:20:21 4 34.63 0.00 1.47 0.22 0.08 63.61 12:20:21 5 43.26 0.00 1.53 0.29 0.08 54.84 12:20:21 6 39.59 0.00 1.53 0.23 0.07 58.59 12:20:21 7 35.42 0.00 1.58 0.38 0.08 62.55 12:30:01 all 39.50 0.00 1.80 0.14 0.07 58.48 12:30:01 0 35.16 0.00 1.79 0.26 0.08 62.72 12:30:01 1 41.33 0.00 2.03 0.13 0.07 56.43 12:30:01 2 43.37 0.00 1.92 0.11 0.07 54.53 12:30:01 3 39.40 0.00 1.68 0.06 0.07 58.79 12:30:01 4 36.91 0.00 2.01 0.27 0.07 60.74 12:30:01 5 41.16 0.00 1.49 0.20 0.07 57.08 12:30:01 6 39.73 0.00 1.71 0.06 0.08 58.42 12:30:01 7 38.94 0.00 1.75 0.07 0.08 59.16 Average: all 39.28 0.00 1.68 0.21 0.07 58.76 Average: 0 36.18 0.00 1.60 0.19 0.08 61.95 Average: 1 39.56 0.00 1.80 0.20 0.07 58.37 Average: 2 44.08 0.00 1.75 0.26 0.07 53.84 Average: 3 39.59 0.00 1.77 0.15 0.07 58.42 Average: 4 35.76 0.00 1.74 0.25 0.07 62.17 Average: 5 42.21 0.00 1.51 0.25 0.07 55.96 Average: 6 39.66 0.00 1.62 0.15 0.07 58.50 Average: 7 37.17 0.00 1.66 0.22 0.08 60.86