---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-9124 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 18G 60G 23% / 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 701 10802 3 4485 14945 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:ca:db:e9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79741sec preferred_lft 79741sec inet6 fe80::f816:3eff:feca:dbe9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:e3:0b:4f:d9:c5 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-16g-9124) 02/10/26 _x86_64_ (4 CPU) 10:03:29 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:01 70.74 22.23 45.74 2.78 322.14 5994.72 2715.84 10:30:01 19.71 2.05 16.73 0.93 40.16 498.75 710.59 10:40:01 8.07 0.17 7.47 0.43 10.13 280.95 609.89 10:50:01 17.95 0.09 17.06 0.81 2.70 757.24 689.22 11:00:01 12.40 0.03 11.81 0.55 1.88 433.49 247.59 11:10:01 4.94 0.03 4.75 0.17 1.99 137.73 88.36 11:20:01 5.42 0.01 5.23 0.18 1.49 163.87 91.49 11:30:01 21.53 0.06 5.27 16.19 1.43 163.93 208871.03 11:40:01 11.21 0.01 10.60 0.60 0.71 683.73 177.57 11:50:01 5.30 0.02 5.10 0.19 0.65 183.01 56.51 Average: 17.72 2.47 12.97 2.28 38.29 928.99 21434.21 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:01 1597716 5020412 10911228 66.64 260664 3139788 11913876 68.39 2267544 11917544 456 10:30:01 2879696 6129824 9804228 59.88 262344 2981380 10866044 62.37 2316196 10602164 540 10:40:01 6491028 9768700 6167888 37.67 263272 3008028 6961480 39.96 2325656 7007216 940 10:50:01 9781660 13207988 2730768 16.68 269064 3150808 3682256 21.14 2365960 3691220 13152 11:00:01 7842300 11327508 4610132 28.16 270860 3207892 5293864 30.39 2369776 5618076 420 11:10:01 7815336 11319624 4617952 28.20 271432 3226436 5328020 30.58 2371596 5643012 440 11:20:01 6457056 9984248 5952580 36.36 272160 3248624 6632392 38.07 2373924 6990168 272 11:30:01 6320576 9877316 6059412 37.01 274636 3275692 6704576 38.48 2383712 7118648 240 11:40:01 7784740 11493000 4444756 27.15 278792 3418484 5146712 29.54 2399760 5631956 532 11:50:01 6839952 10578224 5358636 32.73 279380 3447704 5995392 34.41 2410852 6557616 124 Average: 6381006 9870684 6065758 37.05 270260 3210484 6852461 39.33 2358498 7077762 1712 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:01 lo 25.79 25.79 18.88 18.88 0.00 0.00 0.00 0.00 10:20:01 ens3 2.20 2.21 0.68 1.40 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 42.91 42.91 18.30 18.30 0.00 0.00 0.00 0.00 10:30:01 ens3 1.26 1.15 0.26 0.23 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 16.76 16.76 8.66 8.66 0.00 0.00 0.00 0.00 10:40:01 ens3 0.75 0.47 0.18 0.13 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 10.02 10.02 4.88 4.88 0.00 0.00 0.00 0.00 10:50:01 ens3 1.00 0.84 0.29 0.24 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 20.81 20.81 11.08 11.08 0.00 0.00 0.00 0.00 11:00:01 ens3 0.79 0.78 0.16 0.14 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 lo 15.24 15.24 6.23 6.23 0.00 0.00 0.00 0.00 11:10:01 ens3 0.84 0.46 0.21 0.15 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 11:20:01 lo 26.84 26.84 11.20 11.20 0.00 0.00 0.00 0.00 11:20:01 ens3 0.77 0.52 0.24 0.17 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:01 lo 18.58 18.58 10.44 10.44 0.00 0.00 0.00 0.00 11:30:01 ens3 0.71 0.53 0.17 0.12 0.00 0.00 0.00 0.00 11:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 lo 18.42 18.42 10.66 10.66 0.00 0.00 0.00 0.00 11:40:01 ens3 0.96 0.81 0.27 0.21 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 11:50:01 lo 31.08 31.08 12.26 12.26 0.00 0.00 0.00 0.00 11:50:01 ens3 0.74 0.66 0.16 0.13 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.65 22.65 11.26 11.26 0.00 0.00 0.00 0.00 Average: ens3 1.00 0.84 0.26 0.29 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-16g-9124) 02/10/26 _x86_64_ (4 CPU) 10:03:29 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:01 all 52.07 0.00 2.08 0.11 0.09 45.65 10:20:01 0 52.49 0.00 1.94 0.11 0.09 45.36 10:20:01 1 52.51 0.00 2.00 0.08 0.09 45.31 10:20:01 2 51.57 0.00 2.22 0.14 0.09 45.98 10:20:01 3 51.68 0.00 2.17 0.13 0.09 45.93 10:30:01 all 36.19 0.00 1.40 0.06 0.10 62.25 10:30:01 0 36.66 0.00 1.41 0.09 0.10 61.74 10:30:01 1 36.50 0.00 1.52 0.01 0.10 61.87 10:30:01 2 36.01 0.00 1.39 0.09 0.10 62.42 10:30:01 3 35.61 0.00 1.27 0.04 0.10 62.99 10:40:01 all 16.22 0.00 0.71 0.03 0.09 82.95 10:40:01 0 15.77 0.00 0.70 0.01 0.09 83.43 10:40:01 1 16.27 0.00 0.70 0.02 0.09 82.91 10:40:01 2 16.46 0.00 0.70 0.05 0.09 82.70 10:40:01 3 16.37 0.00 0.74 0.05 0.09 82.75 10:50:01 all 24.29 0.00 0.91 0.06 0.09 74.66 10:50:01 0 23.80 0.00 0.91 0.03 0.09 75.17 10:50:01 1 23.63 0.00 0.86 0.09 0.09 75.34 10:50:01 2 25.02 0.00 1.00 0.09 0.09 73.81 10:50:01 3 24.70 0.00 0.87 0.03 0.08 74.32 11:00:01 all 21.83 0.00 0.70 0.04 0.09 77.34 11:00:01 0 22.12 0.00 0.69 0.02 0.09 77.09 11:00:01 1 22.39 0.00 0.67 0.06 0.09 76.80 11:00:01 2 22.46 0.00 0.77 0.06 0.09 76.62 11:00:01 3 20.36 0.00 0.66 0.03 0.09 78.85 11:10:01 all 7.16 0.00 0.34 0.02 0.08 92.39 11:10:01 0 7.33 0.00 0.28 0.03 0.08 92.27 11:10:01 1 6.86 0.00 0.34 0.02 0.09 92.69 11:10:01 2 7.00 0.00 0.34 0.01 0.09 92.57 11:10:01 3 7.45 0.00 0.40 0.02 0.08 92.05 11:20:01 all 9.82 0.00 0.46 0.02 0.09 89.62 11:20:01 0 9.99 0.00 0.45 0.01 0.08 89.46 11:20:01 1 9.76 0.00 0.47 0.01 0.09 89.67 11:20:01 2 10.15 0.00 0.47 0.03 0.09 89.25 11:20:01 3 9.39 0.00 0.43 0.03 0.08 90.07 11:30:01 all 9.34 0.00 0.50 0.04 0.09 90.04 11:30:01 0 9.50 0.00 0.49 0.01 0.08 89.91 11:30:01 1 9.35 0.00 0.47 0.01 0.09 90.08 11:30:01 2 9.22 0.00 0.52 0.06 0.09 90.12 11:30:01 3 9.27 0.00 0.51 0.10 0.09 90.03 11:40:01 all 18.13 0.00 0.72 0.04 0.09 81.02 11:40:01 0 18.03 0.00 0.66 0.08 0.09 81.14 11:40:01 1 17.84 0.00 0.73 0.05 0.09 81.30 11:40:01 2 18.20 0.00 0.75 0.02 0.09 80.93 11:40:01 3 18.43 0.00 0.74 0.03 0.09 80.72 11:50:01 all 10.14 0.00 0.45 0.02 0.09 89.31 11:50:01 0 9.57 0.00 0.43 0.04 0.09 89.87 11:50:01 1 10.35 0.00 0.43 0.02 0.09 89.12 11:50:01 2 10.19 0.00 0.48 0.02 0.09 89.21 11:50:01 3 10.43 0.00 0.45 0.01 0.09 89.02 Average: all 20.51 0.00 0.83 0.05 0.09 78.53 Average: 0 20.52 0.00 0.80 0.04 0.09 78.55 Average: 1 20.54 0.00 0.82 0.04 0.09 78.52 Average: 2 20.63 0.00 0.86 0.06 0.09 78.36 Average: 3 20.36 0.00 0.82 0.05 0.09 78.68