---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18899 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: 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: 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 12G 144G 8% / 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 920 24765 4 6406 30704 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:3c:99:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.150/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82431sec preferred_lft 82431sec inet6 fe80::f816:3eff:fe3c:99d2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:84:ad:d5:6e:c3 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-18899) 02/19/26 _x86_64_ (8 CPU) 10:47:26 LINUX RESTART (8 CPU) 10:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:09 5.57 0.43 4.74 0.40 413.28 637.32 14772.59 11:10:01 50.21 2.21 33.07 14.93 129.62 2100.93 520851.62 11:20:09 23.83 2.45 19.29 2.09 137.70 3395.30 8484.71 11:30:09 28.25 0.14 24.53 3.57 5.68 2216.78 25940.53 11:40:01 35.60 0.01 31.10 4.50 0.11 3194.16 31639.26 11:50:09 28.40 0.13 24.76 3.51 6.30 6494.66 12893.70 Average: 28.64 0.90 22.93 4.82 114.50 3024.50 101512.60 10:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:09 29958068 31860088 520684 1.58 64672 2172740 1492156 4.40 328884 2275904 28 11:10:01 29393496 31837428 508600 1.55 105452 2643868 1076256 3.17 459324 2667352 204 11:20:09 26311684 29715256 2595672 7.90 151684 3505592 3260944 9.62 775428 5362836 34340 11:30:09 25443152 29370288 2935192 8.93 180060 3957152 3074372 9.07 894548 6054824 142260 11:40:01 25263428 29641236 2660192 8.09 219076 4321148 2708088 7.99 1024240 6054024 16476 11:50:09 25567488 31633812 661332 2.01 239176 5924684 1198044 3.53 1626548 5046504 16 Average: 26989553 30676351 1646945 5.01 160020 3754197 2134977 6.30 851495 4576907 32221 10:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:09 lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 11:00:09 ens3 14.26 8.84 214.32 0.62 0.00 0.00 0.00 0.00 11:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 0.28 0.28 0.03 0.03 0.00 0.00 0.00 0.00 11:10:01 ens3 40.72 29.38 268.39 7.49 0.00 0.00 0.00 0.00 11:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:09 lo 833.97 833.97 794.28 794.28 0.00 0.00 0.00 0.00 11:20:09 ens3 111.59 87.46 814.62 19.00 0.00 0.00 0.00 0.00 11:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:09 lo 1491.92 1491.92 1419.72 1419.72 0.00 0.00 0.00 0.00 11:30:09 ens3 38.43 30.89 18.32 12.86 0.00 0.00 0.00 0.00 11:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 1738.41 1738.41 1654.95 1654.95 0.00 0.00 0.00 0.00 11:40:01 ens3 65.78 43.69 20.09 16.96 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:09 lo 866.12 866.12 812.71 812.71 0.00 0.00 0.00 0.00 11:50:09 ens3 94.08 87.45 191.53 248.80 0.00 0.00 0.00 0.00 11:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 824.49 824.49 782.81 782.81 0.00 0.00 0.00 0.00 Average: ens3 61.19 48.31 256.30 51.66 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-18899) 02/19/26 _x86_64_ (8 CPU) 10:47:26 LINUX RESTART (8 CPU) 10:50:21 CPU %user %nice %system %iowait %steal %idle 11:00:09 all 0.23 0.00 0.07 0.05 0.01 99.64 11:00:09 0 0.16 0.00 0.06 0.11 0.00 99.66 11:00:09 1 0.38 0.00 0.06 0.01 0.01 99.55 11:00:09 2 0.15 0.00 0.07 0.01 0.02 99.75 11:00:09 3 0.16 0.00 0.06 0.03 0.01 99.74 11:00:09 4 0.29 0.00 0.08 0.10 0.01 99.53 11:00:09 5 0.31 0.00 0.07 0.05 0.01 99.56 11:00:09 6 0.33 0.00 0.07 0.09 0.02 99.49 11:00:09 7 0.09 0.00 0.07 0.04 0.01 99.80 11:10:01 all 1.20 0.00 0.16 0.15 0.01 98.48 11:10:01 0 0.27 0.00 0.07 0.01 0.00 99.65 11:10:01 1 2.70 0.00 0.22 0.07 0.02 96.99 11:10:01 2 1.23 0.00 0.27 0.39 0.01 98.10 11:10:01 3 3.57 0.00 0.29 0.14 0.02 95.98 11:10:01 4 0.80 0.00 0.12 0.35 0.01 98.72 11:10:01 5 0.17 0.00 0.11 0.16 0.02 99.54 11:10:01 6 0.39 0.00 0.13 0.01 0.02 99.45 11:10:01 7 0.46 0.00 0.11 0.02 0.01 99.40 11:20:09 all 25.38 0.00 1.17 0.05 0.05 73.34 11:20:09 0 25.58 0.00 0.87 0.04 0.05 73.46 11:20:09 1 27.66 0.00 1.11 0.06 0.05 71.12 11:20:09 2 26.06 0.00 1.33 0.02 0.06 72.54 11:20:09 3 22.34 0.00 1.11 0.12 0.04 76.38 11:20:09 4 27.37 0.00 1.54 0.03 0.04 71.01 11:20:09 5 24.64 0.00 1.12 0.03 0.05 74.16 11:20:09 6 24.43 0.00 1.15 0.06 0.04 74.32 11:20:09 7 24.96 0.00 1.16 0.07 0.05 73.76 11:30:09 all 34.16 0.00 1.61 0.05 0.06 64.11 11:30:09 0 35.88 0.00 1.58 0.04 0.06 62.44 11:30:09 1 34.75 0.00 1.77 0.03 0.06 63.39 11:30:09 2 33.55 0.00 1.70 0.03 0.06 64.66 11:30:09 3 36.49 0.00 1.72 0.06 0.07 61.67 11:30:09 4 30.59 0.00 1.38 0.06 0.06 67.91 11:30:09 5 31.83 0.00 1.51 0.03 0.06 66.57 11:30:09 6 35.70 0.00 1.55 0.10 0.06 62.59 11:30:09 7 34.54 0.00 1.66 0.10 0.06 63.64 11:40:01 all 39.84 0.00 2.03 0.08 0.08 57.98 11:40:01 0 38.98 0.00 1.98 0.04 0.07 58.93 11:40:01 1 39.12 0.00 2.14 0.05 0.07 58.63 11:40:01 2 43.50 0.00 2.38 0.05 0.08 53.99 11:40:01 3 33.82 0.00 1.89 0.07 0.07 64.15 11:40:01 4 41.34 0.00 1.75 0.04 0.08 56.79 11:40:01 5 41.10 0.00 2.10 0.12 0.08 56.60 11:40:01 6 42.00 0.00 1.91 0.05 0.07 55.96 11:40:01 7 38.84 0.00 2.09 0.21 0.08 58.79 11:50:09 all 26.08 0.00 1.25 0.44 0.07 72.16 11:50:09 0 23.23 0.00 1.14 0.86 0.06 74.71 11:50:09 1 23.23 0.00 1.10 0.76 0.06 74.86 11:50:09 2 33.32 0.00 1.37 0.06 0.08 65.17 11:50:09 3 27.07 0.00 1.19 0.92 0.07 70.75 11:50:09 4 33.12 0.00 1.66 0.08 0.07 65.07 11:50:09 5 22.38 0.00 1.27 0.18 0.06 76.11 11:50:09 6 25.00 0.00 1.20 0.47 0.06 73.27 11:50:09 7 21.27 0.00 1.10 0.21 0.06 77.35 Average: all 21.22 0.00 1.05 0.14 0.05 77.54 Average: 0 20.75 0.00 0.95 0.19 0.04 78.07 Average: 1 21.38 0.00 1.07 0.16 0.04 77.34 Average: 2 23.05 0.00 1.19 0.09 0.05 75.61 Average: 3 20.65 0.00 1.04 0.23 0.05 78.03 Average: 4 22.35 0.00 1.10 0.11 0.04 76.41 Average: 5 20.14 0.00 1.03 0.10 0.05 78.69 Average: 6 21.37 0.00 1.00 0.13 0.05 77.45 Average: 7 20.09 0.00 1.03 0.11 0.05 78.73